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Hernandha RFH, Umesh B, Patra J, Tseng CJ, Hsieh CT, Li J, Chang JK. Double Nitrogenation Layer Formed Using Nitric Oxide for Enhancing Li + Storage Performance, Cycling Stability, and Safety of Si Electrodes. Adv Sci (Weinh) 2024:e2310062. [PMID: 38654688 DOI: 10.1002/advs.202310062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 04/07/2024] [Indexed: 04/26/2024]
Abstract
To enhance Li storage properties, nitrogenation methods are developed for Si anodes. First, melamine, urea, and nitric oxide (NO) precursors are used to nitrogenize carbon-coated Si particles. The properties of the obtained particles are compared. It is found that the NO process can maximize the graphitic nitrogen (N) content and electronic conductivity of a sample. In addition, optimized N functional groups and O─C species on the electrode surface increase electrolyte wettability. However, with a carbon barrier layer, NO hardly nitrogenizes the Si cores. Therefore, bare Si particles are reacted with NO. Core-shell Si@amorphous SiNx particles are produced using a facile and scalable NO treatment route. The effects of the NO reaction time on the physicochemical properties and charge-discharge performance of the obtained materials are systematically examined. Finally, the Si@SiNx particles are coated with N-doped carbon. Superior capacities of 2435 and 1280 mAh g-1 are achieved at 0.2 and 5 A g-1, respectively. After 300 cycles, 90% of the initial capacity is retained. In addition, differential scanning calorimetry data indicate that the multiple nitrogenation layers formed by NO significantly suppress electrode exothermic reactions during thermal runaway.
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Affiliation(s)
| | - Bharath Umesh
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
| | - Jagabandhu Patra
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
- Hierarchical Green-Energy Materials (Hi-GEM) Research Center, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan
| | - Chung-Jen Tseng
- Department of Mechanical Engineering, National Central University, 300 Jhong-Da Road, Taoyuan, 320317, Taiwan
| | - Chien-Te Hsieh
- Department of Chemical Engineering and Materials Science, Yuan Ze University, 135 Yuandong Road, Taoyuan, 320315, Taiwan
| | - Ju Li
- Department of Nuclear Science and Engineering and Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Jeng-Kuei Chang
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
- Hierarchical Green-Energy Materials (Hi-GEM) Research Center, National Cheng Kung University, 1 University Road, Tainan, 70101, Taiwan
- Department of Chemical Engineering, Chung Yuan Christian University, 200 Chung Pei Road, Taoyuan, 32023, Taiwan
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2
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Lewińska A, Radoń A, Gil K, Błoniarz D, Ciuraszkiewicz A, Kubacki J, Kądziołka-Gaweł M, Łukowiec D, Gębara P, Krogul-Sobczak A, Piotrowski P, Fijałkowska O, Wybraniec S, Szmatoła T, Kolano-Burian A, Wnuk M. Carbon-Coated Iron Oxide Nanoparticles Promote Reductive Stress-Mediated Cytotoxic Autophagy in Drug-Induced Senescent Breast Cancer Cells. ACS Appl Mater Interfaces 2024; 16:15457-15478. [PMID: 38483821 PMCID: PMC10982943 DOI: 10.1021/acsami.3c17418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/27/2024] [Accepted: 02/27/2024] [Indexed: 04/04/2024]
Abstract
The surface modification of magnetite nanoparticles (Fe3O4 NPs) is a promising approach to obtaining biocompatible and multifunctional nanoplatforms with numerous applications in biomedicine, for example, to fight cancer. However, little is known about the effects of Fe3O4 NP-associated reductive stress against cancer cells, especially against chemotherapy-induced drug-resistant senescent cancer cells. In the present study, Fe3O4 NPs in situ coated by dextran (Fe3O4@Dex) and glucosamine-based amorphous carbon coating (Fe3O4@aC) with potent reductive activity were characterized and tested against drug-induced senescent breast cancer cells (Hs 578T, BT-20, MDA-MB-468, and MDA-MB-175-VII cells). Fe3O4@aC caused a decrease in reactive oxygen species (ROS) production and an increase in the levels of antioxidant proteins FOXO3a, SOD1, and GPX4 that was accompanied by elevated levels of cell cycle inhibitors (p21, p27, and p57), proinflammatory (NFκB, IL-6, and IL-8) and autophagic (BECN1, LC3B) markers, nucleolar stress, and subsequent apoptotic cell death in etoposide-stimulated senescent breast cancer cells. Fe3O4@aC also promoted reductive stress-mediated cytotoxicity in nonsenescent breast cancer cells. We postulate that Fe3O4 NPs, in addition to their well-established hyperthermia and oxidative stress-mediated anticancer effects, can also be considered, if modified using amorphous carbon coating with reductive activity, as stimulators of reductive stress and cytotoxic effects in both senescent and nonsenescent breast cancer cells with different gene mutation statuses.
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Affiliation(s)
- Anna Lewińska
- Institute
of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
| | - Adrian Radoń
- Łukasiewicz
Research Network—Institute of Non-Ferrous Metals, Sowińskiego 5, 44-100 Gliwice, Poland
| | - Kacper Gil
- Institute
of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
| | - Dominika Błoniarz
- Institute
of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
| | - Agnieszka Ciuraszkiewicz
- Łukasiewicz
Research Network—Institute of Non-Ferrous Metals, Sowińskiego 5, 44-100 Gliwice, Poland
| | - Jerzy Kubacki
- Institute
of Physics, Faculty of Science and Technology, University of Silesia in Katowice, 75 Pułku Piechoty 1, 41-500 Chorzów, Poland
| | - Mariola Kądziołka-Gaweł
- Institute
of Physics, Faculty of Science and Technology, University of Silesia in Katowice, 75 Pułku Piechoty 1, 41-500 Chorzów, Poland
| | - Dariusz Łukowiec
- Faculty
of Mechanical Engineering, Silesian University of Technology, Konarskiego 18A, 44-100 Gliwice, Poland
| | - Piotr Gębara
- Department
of Physics, Częstochowa University
of Technology, Armii Krajowej 19, 42-200 Częstochowa, Poland
| | | | - Piotr Piotrowski
- Faculty
of
Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - Oktawia Fijałkowska
- Institute
of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
| | - Sylwia Wybraniec
- Institute
of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
| | - Tomasz Szmatoła
- Center
of Experimental and Innovative Medicine, University of Agriculture in Krakow, Mickiewicza 24/28, 30-059 Krakow, Poland
| | - Aleksandra Kolano-Burian
- Łukasiewicz
Research Network—Institute of Non-Ferrous Metals, Sowińskiego 5, 44-100 Gliwice, Poland
| | - Maciej Wnuk
- Institute
of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
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Deng ZR, Zhang LL, Pei F, Liu W, Sun C, Sun HB, Ding XK, Yang XL. Achieving High Rate and Long Cycle Performance of Na 2FePO 4F Cathode Through Co-Modification of Ti Doping and Carbon Coating. Small 2024:e2400149. [PMID: 38528389 DOI: 10.1002/smll.202400149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 03/06/2024] [Indexed: 03/27/2024]
Abstract
Layered Na2FePO4F (NFPF) cathode material has received widespread attention due to its green nontoxicity, abundant raw materials, and low cost. However, its poor inherent electronic conductivity and sluggish sodium ion transportation seriously impede its capacity delivery and cycling stability. In this work, NFPF by Ti doping and conformal carbon layer coating via solid-state reaction is modified. The results of experimental study and density functional theory calculations reveal that Ti doping enhances intrinsic conductivity, accelerates Na-ion transport, and generates more Na-ion storage sites, and pyrolytic carbon from polyvinylpyrrolidone (PVP) uniformly coated on the NFPF surface improves the surface/interface conductivity and suppresses the side reactions. Under the combined effect of Ti doping and carbon coating, the optimized NFPF (marked as 5T-NF@C) exhibits excellent electrochemical performance, with a high capacity of 108.4 mAh g-1 at 0.2C, a considerable capacity of 80.0 mAh g-1 even at high current density of 10C, and a high capacity retention rate of 81.8% after 2000 cycles at 10C. When assembled into a full cell with a hard carbon anode, 5T-NF@C also show good applicability. This work indicates that co-modification of Ti doping and carbon coating makes NFPF achieve high rate and long cycle performance for sodium-ion batteries.
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Affiliation(s)
- Ze-Rong Deng
- Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, College of Electrical Engineering & New Energy, China Three Gorges University, Yichang, Hubei, 443002, P. R. China
| | - Lu-Lu Zhang
- Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, College of Electrical Engineering & New Energy, China Three Gorges University, Yichang, Hubei, 443002, P. R. China
| | - Feng Pei
- Hubei Yihua Chemical Technology R & D Co., Ltd., Yichang, Hubei, 443002, China
| | - Wen Liu
- Hubei Yihua Chemical Technology R & D Co., Ltd., Yichang, Hubei, 443002, China
| | - Chang Sun
- Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, College of Electrical Engineering & New Energy, China Three Gorges University, Yichang, Hubei, 443002, P. R. China
| | - Hua-Bin Sun
- College of Materials and Chemical Engineering, China Three Gorges University, Yichang, Hubei, 443002, P. R. China
| | - Xiao-Kai Ding
- Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, College of Electrical Engineering & New Energy, China Three Gorges University, Yichang, Hubei, 443002, P. R. China
| | - Xue-Lin Yang
- Hubei Provincial Collaborative Innovation Center for New Energy Microgrid, College of Electrical Engineering & New Energy, China Three Gorges University, Yichang, Hubei, 443002, P. R. China
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4
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Guo L, Jiang Z, Deng B, Wang Y, Jiang ZJ. Sb Doping and Amorphization Co-Induced High Capacity and Excellent Durability of Tin Sulfide-Based Anode for K-Ion Batteries. Small Methods 2024; 8:e2301342. [PMID: 37997209 DOI: 10.1002/smtd.202301342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Indexed: 11/25/2023]
Abstract
The carbon nanotubes (CNTs) supported amorphous Sb doped substoichiometric tin dulfide (Sb─SnSx ) with a carbon coating (the C/Sb─SnSx @CNTs-500) is reported to be an efficient anode material for K+ storage. The formation of the C/Sb─SnSx @CNTs-500 is simply achieved through the thermally induced desulfurization of tin sulfide via a controlled annealing of the C/Sb─SnS2 @CNTs at 500 °C. When used for the K+ storage, it can deliver stable reversible capacities of 406.5, 305.7, and 238.4 mAh g-1 at 0.1, 1.0, and 2.0 A g-1 , respectively, and shows no capacity drops when potassiated/depotassiated at 1.0 and 2.0 A g-1 for >3000 and 2400 cycles, respectively. Even at 10, 20, and 30 A g-1 , it can still deliver stable reversible capacities of 138.5, 85.1, and 73.8 mAh g-1 , respectively. The unique structure, which combines the advantageous features of carbon integration/coating, metal doping, and desulfurization-induced amorphous structure, is the main origin of the high performance of the C/Sb─SnSx @CNTs-500. Specifically, the carbon integration/coating can increase the electric conductivity and stability of the C/Sb─SnSx @CNTs-500. The density function theory calculation indicates that the Sb doping and the desulfurization can facilitate the potassiation and increase the electric conductivity of Sb─SnSx . Additionally, the desulfurization can increase the K+ diffusivity in Sb─SnSx .
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Affiliation(s)
- Liping Guo
- Guangzhou Key Laboratory for Surface Chemistry of Energy Materials, Guangdong Engineering and Technology Research Center for Surface Chemistry of Energy Materials, College of Environment and Energy, South China University of Technology, Guangzhou, 510006, P. R. China
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Zhongqing Jiang
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
| | - Binglu Deng
- School of Materials Science and Hydrogen Energy, Foshan University, Foshan, 528000, P. R. China
| | - Yongjie Wang
- Guangdong Provincial Key Laboratory of Semiconductor Optoelectronic Materials and Intelligent Photonic Systems, Harbin Institute of Technology, Shenzhen, 518055, P. R. China
| | - Zhong-Jie Jiang
- Guangzhou Key Laboratory for Surface Chemistry of Energy Materials, Guangdong Engineering and Technology Research Center for Surface Chemistry of Energy Materials, College of Environment and Energy, South China University of Technology, Guangzhou, 510006, P. R. China
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5
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Chen W, Lu X, Zheng Q, Hu D, Chen Y, Yu Q, Fan Q, Li H, Liu H. Interface Optimizing Core-Shell PZT@Carbon/Polyurethane Composites with Enhanced Passive Piezoelectric Vibration Damping Performance. ACS Appl Mater Interfaces 2024; 16:7742-7753. [PMID: 38308589 DOI: 10.1021/acsami.3c16667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2024]
Abstract
Presently, piezoelectric materials are gradually playing a significant role within composites to improve the damping and vibrational attenuation capacities of host composites. Previous studies paid attention to isolating the mechanical damping contribution and piezoelectric contribution of polymer-based piezoelectric composites (PPCs). However, reports detailing the piezoelectric damping of such materials have not paid sufficient attention to the technologies and methods to improve the piezoelectric damping of PPCs. In this study, we propose novel damping polyurethane (PU)-based piezoelectric composites with carbon-coated piezoelectric fillers (PZT@C/PU) with improved piezoelectric damping ability. The mechanical damping and piezoelectric damping of composites were theoretically decoupled, and we elaborate on the mechanism enhancing piezoelectric damping through the carbon coating strategy by comparing with the composites with nonpiezoelectric fillers. The as-fabricated core-shell structure having an optimized interface exhibits the proposed PZT@C/PU composite pads with relatively prominent damping ability (loss factor tan δmax = 1.0, tan δRT = 0.3), ductility (400.63%), and sound isolating behavior (transmission loss TL > 23 dB). Moreover, the vibration test results of as-fabricated sandwich structural PZT@C/PU composite damping devices exhibit outstanding vibration attenuating behavior (damping ratio ζ = 0.198). The study herein validates that the carbon shell coated on piezoelectric fillers would effectively increase damping performance of PU-based piezoelectric composites by the enhancement of piezoelectric performance caused by carbon coating piezoelectric fillers, which indicates that this material has potential for future applications in the field of vibration and noise reduction, thereby driving forward and expanding the fundamental understanding in the area of PPCs damping and vibration attenuation.
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Affiliation(s)
- Wenzheng Chen
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Xiaoling Lu
- Shanghai Marine Diesel Engine Research Institute, Shanghai 201108, P. R. China
| | - Qitan Zheng
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Dongsen Hu
- China Ship Scientific Research Center, Wuxi 214082, Jiangsu, P. R. China
| | - Yujie Chen
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Qili Yu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Qunfu Fan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Hua Li
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
| | - Hezhou Liu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P. R. China
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6
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Murashko K, Karhunen T, Meščeriakovas A, Subedi N, Lähde A, Jokiniemi J. Oxalic acid-assisted preparation of LTO-carbon composite anode material for lithium-ion batteries. Nanotechnology 2024; 35:165603. [PMID: 38154136 DOI: 10.1088/1361-6528/ad1942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 12/27/2023] [Indexed: 12/30/2023]
Abstract
This study presents an oxalic acid-assisted method for synthesizing spinel-structured lithium titanate (Li4Ti5O12; LTO)/carbon composite materials. The Ag-doped LTO nanoparticles (NPs) are synthesized via flame spray pyrolysis (FSP). The synthesized material is used as a precursor for synthesizing the LTO-NP/C composite material with chitosan as a carbon source and oxalic acid as an additive. Oxalic acid improves the dissolution of chitosan in water as well as changes the composition and physical and chemical properties of the synthesized LTO-NP/C composite material. The oxalic acid/chitosan ratio can be optimized to improve the electrochemical performance of the LTO-NP/C composite material, and the electrode synthesized with a high mass loading ratio (5.44 mg cm-2) exhibits specific discharge capacities of 156.5 and 136 mAh g-1at 0.05 C- and 10 C-rate currents, respectively. Moreover, the synthesized composite LTO-NP/C composite material exhibits good cycling stability, and only 1.7% decrease in its specific capacity was observed after 200 charging-discharging cycles at 10 C-rate discharging current.
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Affiliation(s)
- Kirill Murashko
- Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Yliopistonranta 1, FI-70211, Kuopio, Finland
| | - Tommi Karhunen
- Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Yliopistonranta 1, FI-70211, Kuopio, Finland
| | - Arūnas Meščeriakovas
- Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Yliopistonranta 1, FI-70211, Kuopio, Finland
| | - Nabin Subedi
- Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Yliopistonranta 1, FI-70211, Kuopio, Finland
| | - Anna Lähde
- Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Yliopistonranta 1, FI-70211, Kuopio, Finland
| | - Jorma Jokiniemi
- Department of Environmental and Biological Sciences, University of Eastern Finland, PO Box 1627, Yliopistonranta 1, FI-70211, Kuopio, Finland
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7
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Fan X, Li B, Zhu C, Yan F, Zhang X, Chen Y. Nitrogen and Sulfur Co-Doped Carbon-Coated Ni 3 S 2 /MoO 2 Nanowires as Bifunctional Catalysts for Alkaline Seawater Electrolysis. Small 2024:e2309655. [PMID: 38243851 DOI: 10.1002/smll.202309655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/30/2023] [Indexed: 01/22/2024]
Abstract
Bifunctional catalysts have inherent advantages in simplifying electrolysis devices and reducing electrolysis costs. Developing efficient and stable bifunctional catalysts is of great significance for industrial hydrogen production. Herein, a bifunctional catalyst, composed of nitrogen and sulfur co-doped carbon-coated trinickel disulfide (Ni3 S2 )/molybdenum dioxide (MoO2 ) nanowires (NiMoS@NSC NWs), is developed for seawater electrolysis. The designed NiMoS@NSC exhibited high activity in alkaline electrolyte with only 52 and 191 mV overpotential to attain 10 mA cm-2 for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), respectively. Significantly, the electrolyzer (NiMoS@NSC||NiMoS@NSC) based on this bifunctional catalyst drove 100 mA cm-2 at only 1.71 V along with a robust stability over 100 h in alkaline seawater, which is superior to a platinum/nickel-iron layered double hydroxide couple (Pt||NiFe LDH). Theoretical calculations indicated that interfacial interactions between Ni3 S2 and MoO2 rearranged the charge at interfaces and endowed Mo sites at the interfaces with Pt-like HER activity, while Ni sites on Ni3 S2 surfaces at non-interfaces are the active centers for OER. Meanwhile, theoretical calculations and experimental results also demonstrated that interfacial interactions improved the electrical conductivity, boosting reaction kinetics for both HER and OER. This study presented a novel insight into the design of high-performance bifunctional electrocatalysts for seawater splitting.
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Affiliation(s)
- Xiaocheng Fan
- Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
| | - Bei Li
- College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin, 150001, China
| | - Chunling Zhu
- Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
| | - Feng Yan
- College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin, 150001, China
| | - Xitian Zhang
- Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, and School of Physics and Electronic Engineering, Harbin Normal University, Harbin, 150025, China
| | - Yujin Chen
- Laboratory of Superlight Materials and Surface Technology, Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin, 150001, China
- College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin, 150001, China
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8
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Jiang T, Xu K, Wang Y, Xiang L, Tang B, Shi S, Li Y, Yu W, Xie H, Wu X, Li W, Sun K, Fan R, Yu J. In Situ Construction of High-Thermal-Conductivity and Negative-Permittivity Epoxy/Carbon Fiber@Carbon Composites with a 3D Network by High-Temperature Chemical Vapor Deposition. ACS Appl Mater Interfaces 2023; 15:54027-54038. [PMID: 37938033 DOI: 10.1021/acsami.3c15040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2023]
Abstract
Modern highly integrated microelectronic devices are unable to dissipate heat over time, which greatly affects the operating efficiency and service life of electronic equipment. Constructing high-thermal-conductivity composites with 3D network structures is a hot research topic. In this article, carbon fiber felt (CFF) was prepared by airflow netting forming technology and needle punching combined with stepped heat treatment. Then, carbon-coated carbon fiber felt (C@CFF) with a three-dimensional network structure was constructed in situ by high-temperature chemical vapor deposition (CVD). Finally, high-temperature treatment was used to improve the degree of crystallinity of C@CFF and further enhance its graphitization. The epoxy (EP) composites were prepared by simple vacuum infiltration-molding curing. The test results showed that the in-plane thermal conductivity (K∥) and through-plane thermal conductivity (K⊥) of EP/C@CFF-2300 °C could reach up to 13.08 and 2.78 W/mK, respectively, where the deposited carbon content was 11.76 vol %. The in-plane thermal conductivity enhancement (TCE) of EP/C@CFF-2300 °C was improved by 6440 and 808% compared to those of pure EP and EP/CFF, respectively. The high-temperature treatment greatly provides an improvement in thermal conductivity for the in-plane and the through-plane. Infrared imaging showed excellent thermal management properties of the prepared epoxy composites. EP/C@CFF-2300 °C owned an in-plane AC conductivity of up to 0.035 S/cm at 10 kHz, and Lorentz-Drude-type negative permittivity behaviors were observed at the tested frequency region. The CFF thermally conductive composites prepared by the above method have a broad application prospect in the field of advanced thermal management and electromagnetics.
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Affiliation(s)
- Tao Jiang
- Shanghai Key Laboratory of Engineering Materials Application and Evaluation, China Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai 201209, China
- Merchant Marine College, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Kang Xu
- Shanghai Key Laboratory of Engineering Materials Application and Evaluation, China Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai 201209, China
- Merchant Marine College, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Ying Wang
- Shanghai Key Laboratory of Engineering Materials Application and Evaluation, China Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai 201209, China
- Merchant Marine College, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Lixue Xiang
- Hangzhou Vulcan New Materials Technology Co., Ltd, Hangzhou 311255, China
| | - Bo Tang
- Hangzhou Vulcan New Materials Technology Co., Ltd, Hangzhou 311255, China
| | - Shanshan Shi
- Shanghai Key Laboratory of Engineering Materials Application and Evaluation, China Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai 201209, China
- Merchant Marine College, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Yifan Li
- Shanghai Key Laboratory of Engineering Materials Application and Evaluation, China Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai 201209, China
| | - Wei Yu
- Shanghai Key Laboratory of Engineering Materials Application and Evaluation, China Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai 201209, China
| | - Huaqing Xie
- Shanghai Key Laboratory of Engineering Materials Application and Evaluation, China Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai 201209, China
| | - Xinfeng Wu
- Shanghai Key Laboratory of Engineering Materials Application and Evaluation, China Shanghai Thermophysical Properties Big Data Professional Technical Service Platform, Shanghai Engineering Research Center of Advanced Thermal Functional Materials, School of Energy and Materials, Shanghai Polytechnic University, Shanghai 201209, China
- Merchant Marine College, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Wenge Li
- Merchant Marine College, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Kai Sun
- Merchant Marine College, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Runhua Fan
- Merchant Marine College, College of Ocean Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
| | - Jinhong Yu
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo 315201, China
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9
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Yeo RYZ, Chin BH, Hil Me MF, Chia JF, Pham HT, Othman AR, Mohammad AW, Ang WL, Lim SS. Rapid Surface Modification of Stainless Steel 304L Electrodes for Microbial Electrochemical Sensor Application. ACS Biomater Sci Eng 2023; 9:6034-6044. [PMID: 37846081 DOI: 10.1021/acsbiomaterials.3c00453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2023]
Abstract
Electrogenic microorganisms serve as important biocatalysts for microbial electrochemical sensors (MESes). The electrical signal produced is based on the rate of electron transfer between the microbes and electrodes, which represents the biotoxicity of water. However, existing MESes require complex and sophisticated fabrication methods. Here, several low-cost and rapid surface modification strategies (carbon powder-coated, flame-oxidized, and acid-bleached) have been demonstrated and studied for biosensing purposes. Surface-modified MESe bioanodes were successfully applied to detect multiple model pollutants including sodium acetate, ethanol, thinner, and palm oil mill effluent under three different testing sequences, namely, pollutant incremental, pollutant dumping, and water dilution tests. The carbon powder-coated bioanode showed the most responsive signal profile for all the three tests, which is in line with the average roughness values (Ra) when tested with atomic force microscopy. The carbon powder-coated electrode possessed a Ra value of 0.844, while flame-oxidized, acid-bleached, and control samples recorded 0.323, 0.336, and 0.264, respectively. The higher roughness was caused by the carbon coating and provided adhesive sites for microbial attachment and growth. The accuracy of MESe was also verified by correlating with chemical oxygen demand (COD) results. Similar to the sensitivity test, the carbon powder-coated bioanode obtained the highest R2 value of 0.9754 when correlated with COD results, indicating a high potential of replacing conventional water quality analysis methods. The reported work is of great significance to showcase facile surface modification techniques for MESes, which are cost-effective and sustainable while retaining the biocompatibility toward the microbial community with carbon-based coatings.
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Affiliation(s)
- Ryan Yow Zhong Yeo
- Fuel Cell Institute, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
| | - Bin Hou Chin
- Department of Applied Physics, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
| | | | - Jan Feng Chia
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
| | - Hai The Pham
- Department of Microbiology and Center for Life Science Research (CELIFE), Faculty of Biology, VNU University of Science, Vietnam National University, Nguyen Trai 334, Thanh Xuan, Hanoi, Vietnam
| | - Ahmad Razi Othman
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
| | - Abdul Wahab Mohammad
- Chemical and Water Desalination Program, College of Engineering, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Wei Lun Ang
- Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
| | - Swee Su Lim
- Fuel Cell Institute, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia
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10
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Steinhorst M, Giorgio M, Roch T, Leyens C. Bias Voltage Dependency of Structural and Bipolar Plate-Related Properties of Cathodic Arc-Deposited Carbon-Based Coatings. ACS Appl Mater Interfaces 2023; 15:51704-51712. [PMID: 37889682 DOI: 10.1021/acsami.3c10719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/29/2023]
Abstract
Carbon-based coatings composed of a chromium interlayer and a carbon top layer were deposited on stainless steel substrates via cathodic arc evaporation. During the carbon deposition, the bias voltage was varied between 900 and 1 V to investigate the influence on the structural, electrical, and electrochemical properties. Raman spectroscopy indicated a dependency of the intensity ratio and G peak position on the bias voltage, which can be attributed to an alteration of the structure. Transmission electron microscopy (TEM) cross-section investigations revealed a graphite-like structure for most carbon top layers but with an increasing amount of disordered fractions, eventually resulting in an amorphous structure at 1 V. To further examine the structure, electron energy loss spectroscopy (EELS) was used. In the high-loss region, distinct π* and σ* peaks could be observed, which agree well with the TEM results. Additionally, analysis of the low-loss region showed that the 1 V carbon top layer exhibits a shifted σ plasmon peak at 20 eV corresponding to an amorphous structure. The carbon-based coatings are highly conductive with low interfacial contact resistance values between 4 and 1.5 mΩ cm2 at 150 N cm-2. From a bias voltage of 200 V, the resistance increases. To evaluate the corrosion resistance, we conducted potentiodynamic polarization tests. At first, with decreasing bias voltage, the corrosion resistance increases and then decreases for both the 100 and 1 V samples. Considering the low thickness, the coating with a carbon top layer deposited at 600 V had the best corrosion resistance. In combination with the excellent contact resistance, the 600 V sample is a highly suitable coating for metallic bipolar plates.
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Affiliation(s)
- Maximilian Steinhorst
- Project Group at the Dortmunder OberflächenCentrum DOC, Fraunhofer Institute for Material and Beam Technology IWS, Eberhardstr. 12, 44145 Dortmund, Germany
- Institute for Materials Science, TUD Dresden University of Technology, Helmholtzstraße 7, 01069 Dresden, Germany
| | - Maurizio Giorgio
- Project Group at the Dortmunder OberflächenCentrum DOC, Fraunhofer Institute for Material and Beam Technology IWS, Eberhardstr. 12, 44145 Dortmund, Germany
| | - Teja Roch
- Project Group at the Dortmunder OberflächenCentrum DOC, Fraunhofer Institute for Material and Beam Technology IWS, Eberhardstr. 12, 44145 Dortmund, Germany
| | - Christoph Leyens
- Institute for Materials Science, TUD Dresden University of Technology, Helmholtzstraße 7, 01069 Dresden, Germany
- Fraunhofer Institute for Material and Beam Technology IWS, Winterbergstr. 28, 01277 Dresden, Germany
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11
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Guo F, Huang X, Li Y, Zhang S, He X, Liu J, Yu Z, Li F, Liu B. In Situ Low-Temperature Carbonization Capping of LiFePO 4 with Coke for Enhanced Lithium Battery Performance. Molecules 2023; 28:6083. [PMID: 37630335 PMCID: PMC10457987 DOI: 10.3390/molecules28166083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
Lithium batteries incorporating LiFePO4 (LFP) as the cathode material have gained significant attention in recent research. However, the limited electronic and ionic conductivity of LFP poses challenges to its cycling performance and overall efficiency. In this study, we address these issues by synthesizing a series of LiFePO4/carbon (LFP/C) composites through low-temperature carbonization coating of LFP in the presence of Coke as the carbon source. The resulting lithium batteries utilizing LFP/C as the cathode material exhibited impressive discharge specific capacities of 148.35 mA·h/g and 126.74 mA·h/g at 0.1 C and 1 C rates, respectively. Even after 200 cycles of charging and discharging, the capacities remained remarkably high, with values of 93.74% and 97.05% retention, showcasing excellent cycling stability. Notably, the LFP/C composite displayed exceptional rate capability, and capacity retention of 99.27% after cycling at different multiplication rates. These findings underscore the efficacy of in situ low-temperature carbonization capping of LFP with Coke in significantly improving both the cycling stability and rate capability of lithium batteries.
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Affiliation(s)
- Fei Guo
- School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China (B.L.)
| | - Xiaoqi Huang
- School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China (B.L.)
| | - Yudong Li
- Key Laboratory of Bio-Based Material Science & Technology of Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Shaohui Zhang
- School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China (B.L.)
| | - Xiong He
- School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China (B.L.)
| | - Jinghua Liu
- School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China (B.L.)
| | - Zhiqiang Yu
- School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China (B.L.)
| | - Feng Li
- School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China (B.L.)
| | - Baosheng Liu
- School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China (B.L.)
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12
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Guo M, Tang W, Tang C, He X, Hu J, Fan C. Small-Molecule Organic Cathodes with Carbon Coating for Highly Efficient Potassium-ion Batteries. ChemSusChem 2023; 16:e202300343. [PMID: 37013264 DOI: 10.1002/cssc.202300343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 03/24/2023] [Accepted: 04/03/2023] [Indexed: 06/19/2023]
Abstract
Small-molecule organic cathodes face dissolution in potassium-ion batteries (PIBs). For the first time, an interesting and effective strategy is unveiled to resolve this issue by designing a new soluble small-molecule organic compound namely [N,N'-bis(2-anthraquinone)]-1,4,5,8-naphthalenetetracarboxdiimide (NTCDI-DAQ, 237 mAh g-1 ): Through the precise manipulation of carbonization temperature and time, the molecules on the surface of NTCDI-DAQ particles can be transformed into amorphous carbon with controllable thickness. This strategy called surface self-carbonization can form a carbon protective layer on organic cathodes and significantly increase their insolubility against liquid electrolytes without affecting the electrochemical behavior of bulk particles. As a result, the as-obtained NTCDI-DAQ@C sample displays significantly improved cathode performance in PIBs. In half cells, NTCDI-DAQ@C shows superior capacity stability of 84 % compared to 35 % of NTCDI-DAQ during 30 cycles under the same conditions. In full cells with a KC8 anode, NTCDI-DAQ@C delivers a peak discharge capacity of 236 mAh g-1 cathode and a high energy density of 255 Wh kg-1 cathode in 0.1-2.8 V, with 40 % capacity retention during 3000 cycles at 1 A g-1 . To the best of our knowledge, the integrated performance of NTCDI-DAQ@C is among the best of soluble organic cathodes reported in PIBs.
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Affiliation(s)
- Meichen Guo
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu, 611731, P. R. China
| | - Wu Tang
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu, 611731, P. R. China
| | - Chenbin Tang
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu, 611731, P. R. China
| | - Xuesong He
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu, 611731, P. R. China
| | - Jiahui Hu
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu, 611731, P. R. China
| | - Cong Fan
- School of Materials and Energy, University of Electronic Science and Technology of China (UESTC), Chengdu, 611731, P. R. China
- Key Laboratory of Advanced Energy Materials Chemistry, Ministry of Education), Nankai University, Tianjin, 300071, P. R. China
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13
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Huang J, Li J, Ye L, Wu M, Liu H, Cui Y, Lian J, Wang C. Synthesis of Si/C Composites by Silicon Waste Recycling and Carbon Coating for High-Capacity Lithium-Ion Storage. Nanomaterials (Basel) 2023; 13:2142. [PMID: 37513153 PMCID: PMC10386753 DOI: 10.3390/nano13142142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/08/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023]
Abstract
It is of great significance to recycle the silicon (Si) kerf slurry waste from the photovoltaic (PV) industry. Si holds great promise as the anode material for Li-ion batteries (LIBs) due to its high theoretical capacity. However, the large volume expansion of Si during the electrochemical processes always leads to electrode collapse and a rapid decline in electrochemical performance. Herein, an effective carbon coating strategy is utilized to construct a precise Si@CPPy composite using cutting-waste silicon and polypyrrole (PPy). By optimizing the mass ratio of Si and carbon, the Si@CPPy composite can exhibit a high specific capacity and superior rate capability (1436 mAh g-1 at 0.1 A g-1 and 607 mAh g-1 at 1.0 A g-1). Moreover, the Si@CPPy composite also shows better cycling stability than the pristine prescreen silicon (PS-Si), as the carbon coating can effectively alleviate the volume expansion of Si during the lithiation/delithiation process. This work showcases a high-value utilization of PV silicon scraps, which helps to reduce resource waste and develop green energy storage.
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Affiliation(s)
- Jinning Huang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Jun Li
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Lanxin Ye
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Min Wu
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Hongxia Liu
- College of Electrical Engineering and Control Science, Nanjing Tech University, Nanjing 211816, China
| | - Yingxue Cui
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Jiabiao Lian
- Institute for Energy Research, Jiangsu University, Zhenjiang 212013, China
| | - Chuan Wang
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
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14
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Kubarkov AV, Babkin AV, Drozhzhin OA, Stevenson KJ, Antipov EV, Sergeyev VG. Engendering High Energy Density LiFePO 4 Electrodes with Morphological and Compositional Tuning. Nanomaterials (Basel) 2023; 13:nano13111771. [PMID: 37299674 DOI: 10.3390/nano13111771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/25/2023] [Accepted: 05/27/2023] [Indexed: 06/12/2023]
Abstract
Improving the energy density of Li-ion batteries is critical to meet the requirements of electric vehicles and energy storage systems. In this work, LiFePO4 active material was combined with single-walled carbon nanotubes as the conductive additive to develop high-energy-density cathodes for rechargeable Li-ion batteries. The effect of the morphology of the active material particles on the cathodes' electrochemical characteristics was investigated. Although providing higher packing density of electrodes, spherical LiFePO4 microparticles had poorer contact with an aluminum current collector and showed lower rate capability than plate-shaped LiFePO4 nanoparticles. A carbon-coated current collector helped enhance the interfacial contact with spherical LiFePO4 particles and was instrumental in combining high electrode packing density (1.8 g cm-3) with excellent rate capability (100 mAh g-1 at 10C). The weight percentages of carbon nanotubes and polyvinylidene fluoride binder in the electrodes were optimized for electrical conductivity, rate capability, adhesion strength, and cyclic stability. The electrodes that were formulated with 0.25 wt.% of carbon nanotubes and 1.75 wt.% of the binder demonstrated the best overall performance. The optimized electrode composition was used to formulate thick free-standing electrodes with high energy and power densities, achieving the areal capacity of 5.9 mAh cm-2 at 1C rate.
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Affiliation(s)
- Aleksei V Kubarkov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Alexander V Babkin
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Oleg A Drozhzhin
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Keith J Stevenson
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
| | - Evgeny V Antipov
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
- Center for Energy Science and Technology, Skolkovo Institute of Science and Technology, Bolshoy Boulevard 30 bld. 1, 121205 Moscow, Russia
| | - Vladimir G Sergeyev
- Department of Chemistry, Lomonosov Moscow State University, Leninskie Gory 1-3, 119991 Moscow, Russia
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15
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Hernandha RFH, Umesh B, Rath PC, Trang LTT, Wei JC, Chuang YC, Li J, Chang JK. N-Containing Carbon-Coated β-Si 3 N 4 Enhances Si Anodes for High-Performance Li-Ion Batteries. Adv Sci (Weinh) 2023:e2301218. [PMID: 37166034 PMCID: PMC10375156 DOI: 10.1002/advs.202301218] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/11/2023] [Indexed: 05/12/2023]
Abstract
The lithiation/delithiation properties of α-Si3 N4 and β-Si3 N4 are compared and the carbon coating effects are examined. Then, β-Si3 N4 at various fractions is used as the secondary phase in a Si anode to modify the electrode properties. The incorporated β-Si3 N4 decreases the crystal size of Si and introduces a new NSiO species at the β-Si3 N4 /Si interface. The nitrogen from the milled β-Si3 N4 diffuses into the surface carbon coating during the carbonization heat treatment, forming pyrrolic nitrogen and CNO species. The synergistic effects of combining β-Si3 N4 and Si phases on the specific capacity are confirmed. The operando X-ray diffraction and X-ray photoelectron spectroscopy data indicate that β-Si3 N4 is partially consumed during lithiation to form a favorable Li3 N species at the electrode. However, the crystalline structure of the hexagonal β-Si3 N4 is preserved after prolonged cycling, which prevents electrode agglomeration and performance deterioration. The carbon-coated β-Si3 N4 /Si composite anode shows specific capacities of 1068 and 480 mAh g-1 at 0.2 and 5 A g-1 , respectively. A full cell consisting of the carbon-coated β-Si3 N4 /Si anode and a LiNi0.8 Co0.1 Mn0.1 O2 cathode is constructed and its properties are evaluated. The potential of the proposed composite anodes for Li-ion battery applications is demonstrated.
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Affiliation(s)
| | - Bharath Umesh
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
| | - Purna Chandra Rath
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
| | - Le Thi Thu Trang
- Institute of Materials Science and Engineering, National Central University, 300 Zhong-Da Road, Taoyuan, 32001, Taiwan
| | - Ju-Chao Wei
- Materials Science Group, National Synchrotron Radiation Research Center, Super Energy Materials, Inc., 99-1 Xiyuan Road, Taoyuan, 32057, Taiwan
| | - Yu-Chun Chuang
- National Synchrotron Radiation Research Center, Hsin-Ann Road, Hsinchu, 30076, Taiwan
| | - Ju Li
- Department of Nuclear Science and Engineering and Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA
| | - Jeng-Kuei Chang
- Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, 1001 University Road, Hsinchu, 30010, Taiwan
- Institute of Materials Science and Engineering, National Central University, 300 Zhong-Da Road, Taoyuan, 32001, Taiwan
- Department of Chemical Engineering, Chung Yuan Christian University, 200 Chung Pei Road, Taoyuan, 32023, Taiwan
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16
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Larbi L, Wernert R, Fioux P, Croguennec L, Monconduit L, Matei Ghimbeu C. Enhanced Performance of KVPO 4F 0.5O 0.5 in Potassium Batteries by Carbon Coating Interfaces. ACS Appl Mater Interfaces 2023; 15:18992-19001. [PMID: 37026661 DOI: 10.1021/acsami.3c01240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Potassium vanadium oxyfluoride phosphate of composition KVPO4F0.5O0.5 was modified by a carbon coating to enhance its electrochemical performance. Two distinct methods were used, first, chemical vapor deposition (CVD) using acetylene gas as a carbon precursor and second, an aqueous route using an abundant, cheap, and green precursor (chitosan) followed by a pyrolysis step. The formation of a 5 to 7 nm-thick carbon coating was confirmed by transmission electron microscopy and it was found to be more homogeneous in the case of CVD using acetylene gas. Indeed, an increase of the specific surface area of one order of magnitude, low content of C sp2, and residual oxygen surface functionalities were observed when the coating was obtained using chitosan. Pristine and carbon-coated materials were compared as positive electrode materials in potassium half-cells cycled at a C/5 (C = 26.5 mA g-1) rate within a potential window of 3 to 5 V vs K+/K. The formation by CVD of a uniform carbon coating with the limited presence of surface functions was shown to improve the initial coulombic efficiency up to 87% for KVPFO4F0.5O0.5-C2H2 and to mitigate electrolyte decomposition. Thus, performance at high C-rates such as 10 C was significantly improved, with ∼50% of the initial capacity maintained after 10 cycles, whereas a fast capacity loss is observed for the pristine material.
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Affiliation(s)
- Louiza Larbi
- Université de Haute-Alsace, Institut de Science des Matériaux de Mulhouse (IS2M), CNRS UMR 7361, F-68100 Mulhouse, France
- Université de Strasbourg, F-67081 Strasbourg, France
| | - Romain Wernert
- Université de Bordeaux, CNRS, Bordeaux INP, ICMCB, UMR 5026, F-33600 Pessac, France
- ICGM, Université de Montpellier, CNRS, UMR 5253, 34293 Montpellier, France
- Réseau sur le Stockage Electrochimique de l'Energie, CNRS FR3459, 80039 Amiens, France
| | - Philippe Fioux
- Université de Haute-Alsace, Institut de Science des Matériaux de Mulhouse (IS2M), CNRS UMR 7361, F-68100 Mulhouse, France
- Université de Strasbourg, F-67081 Strasbourg, France
| | - Laurence Croguennec
- Université de Bordeaux, CNRS, Bordeaux INP, ICMCB, UMR 5026, F-33600 Pessac, France
- Réseau sur le Stockage Electrochimique de l'Energie, CNRS FR3459, 80039 Amiens, France
- ALISTORE-European Research Institute, 80039 Amiens, France
| | - Laure Monconduit
- ICGM, Université de Montpellier, CNRS, UMR 5253, 34293 Montpellier, France
- Réseau sur le Stockage Electrochimique de l'Energie, CNRS FR3459, 80039 Amiens, France
- ALISTORE-European Research Institute, 80039 Amiens, France
| | - Camelia Matei Ghimbeu
- Université de Haute-Alsace, Institut de Science des Matériaux de Mulhouse (IS2M), CNRS UMR 7361, F-68100 Mulhouse, France
- Université de Strasbourg, F-67081 Strasbourg, France
- Réseau sur le Stockage Electrochimique de l'Energie, CNRS FR3459, 80039 Amiens, France
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Gromilov SA, Chepurov AI, Volodin AM, Vedyagin AA. Solid-State Transformations of Mayenite and Core-Shell Structures of C12A7@C Type at High Pressure, High Temperature Conditions. Materials (Basel) 2023; 16:2083. [PMID: 36903198 PMCID: PMC10004160 DOI: 10.3390/ma16052083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/21/2023] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
Calcium aluminate of a mayenite structure, 12CaO∙7Al2O3 (C12A7), is widely applicable in many fields of modern science and technology. Therefore, its behavior under various experimental conditions is of special interest. The present research aimed to estimate the possible impact of the carbon shell in core-shell materials of C12A7@C type on the proceeding of solid-state reactions of mayenite with graphite and magnesium oxide under High Pressure, High Temperature (HPHT) conditions. The phase composition of the solid-state products formed at a pressure of 4 GPa and temperature of 1450 °C was studied. As is found, the interaction of mayenite with graphite under such conditions is accompanied by the formation of an aluminum-rich phase of the CaO∙6Al2O3 composition, while in the case of core-shell structure (C12A7@C), the same interaction does not lead to the formation of such a single phase. For this system, a number of hardly identified calcium aluminate phases along with the carbide-like phrases have appeared. The main product of the interaction of mayenite and C12A7@C with MgO under HPHT conditions is the spinel phase Al2MgO4. This indicates that, in the case of the C12A7@C structure, the carbon shell is not able to prevent the interaction of the oxide mayenite core with magnesium oxide located outside the carbon shell. Nevertheless, the other solid-state products accompanying the spinel formation are significantly different for the cases of pure C12A7 and C12A7@C core-shell structure. The obtained results clearly illustrate that the HPHT conditions used in these experiments lead to the complete destruction of the mayenite structure and the formation of new phases, which compositions differ noticeably depending on the precursor used-pure mayenite or C12A7@C core-shell structure.
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Affiliation(s)
- Sergey A. Gromilov
- Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, Pr. Lavrentieva 3, 630090 Novosibirsk, Russia
| | - Anatoly I. Chepurov
- V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, Pr. Akademika Koptyuga 3, 630090 Novosibirsk, Russia
| | - Alexander M. Volodin
- Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Pr. Lavrentieva 5, 630090 Novosibirsk, Russia
| | - Aleksey A. Vedyagin
- Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, Pr. Lavrentieva 5, 630090 Novosibirsk, Russia
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18
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Park JB, An SH, Jung JW, Lee JU. Three-Dimensional Printing of Recycled Polypropylene and Activated Carbon Coatings for Harmful Gas Adsorption and Antibacterial Properties. Polymers (Basel) 2023; 15. [PMID: 36904414 DOI: 10.3390/polym15051173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/22/2023] [Accepted: 02/23/2023] [Indexed: 03/02/2023] Open
Abstract
In recent years, the utilization of three-dimensional (3D) printing has been expanding due to advances in technology and economic efficiency. One of the 3D printing technologies is fused deposition modeling, which can be used to create different kinds of products or prototypes from various polymer filaments. In this study, the activated carbon (AC) coating was introduced to the 3D outputs printed using recycled polymer materials to impart multi-functions such as adsorption of harmful gas and antimicrobial activities. A filament of uniform diameter (1.75 μm) and a filter template in the form of a 3D fabric shape were prepared through the extrusion and 3D printing processes, respectively, of the recycled polymer. In the next process, the 3D filter was developed by coating the nanoporous AC, produced from the pyrolysis fuel oil and waste PET, on the 3D filter template through direct coating. The 3D filters coated with the nanoporous activated carbon showed the enhanced adsorption capacity of 1038.74 mg of SO2 gas and the antibacterial properties of 49% removal of E. coli bacteria. As a model system, a functional gas mask that has harmful gas adsorption abilities and antibacterial properties has been produced by a 3D printing process.
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Su R, Zhu W, Liang K, Wei P, Li J, Liu W, Ren Y. Mn x+ Substitution to Improve Na 3V 2(PO 4) 2F 3-Based Electrodes for Sodium-Ion Battery Cathode. Molecules 2023; 28:molecules28031409. [PMID: 36771075 PMCID: PMC9920057 DOI: 10.3390/molecules28031409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 01/27/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Na3V2(PO4)2F3 (NVPF) is an extremely promising sodium storage cathode material for sodium-ion batteries because of its stable structure, wide electrochemical window, and excellent electrochemical properties. Nevertheless, the low ionic and electronic conductivity resulting from the insulated PO43- structure limits its further development. In this work, the different valence states of Mnx+ ions (x = 2, 3, 4) doped NVPF were synthesized by the hydrothermal method. A series of tests and characterizations reveals that the doping of Mn ions (Mn2+, Mn3+, Mn4+) changes the crystal structure and also affects the residual carbon content, which further influences the electrochemical properties of NVPF-based materials. The sodiation/desodiation mechanism was also investigated. Among them, the as-prepared NVPF doped with Mn2+ delivers a high reversible discharge capacity (116.2 mAh g-1 at 0.2 C), and the capacity retention of 67.7% after 400 cycles at 1 C was obtained. Such excellent performance and facile modified methods will provide new design ideas for the development of secondary batteries.
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Yang G, Li Y, Wang X, Zhang Z, Huang J, Zhang J, Liang X, Su J, Ouyang L, Huang J. Rational Construction of C@Sn/NSGr Composites as Enhanced Performance Anodes for Lithium Ion Batteries. Nanomaterials (Basel) 2023; 13:271. [PMID: 36678024 PMCID: PMC9861279 DOI: 10.3390/nano13020271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/23/2022] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
As a potential anode material for lithium-ion batteries (LIBs), metal tin shows a high specific capacity. However, its inherent "volume effect" may easily turn tin-based electrode materials into powder and make them fall off in the cycle process, eventually leading to the reduction of the specific capacity, rate and cycle performance of the batteries. Considering the "volume effect" of tin, this study proposes to construct a carbon coating and three-dimensional graphene network to obtain a "double confinement" of metal tin, so as to improve the cycle and rate performance of the composite. This excellent construction can stabilize the tin and prevent its agglomeration during heat treatment and its pulverization during cycling, improving the electrochemical properties of tin-based composites. When the optimized composite material of C@Sn/NSGr-7.5 was used as an anode material in LIB, it maintained a specific capacity of about 667 mAh g-1 after 150 cycles at the current density of 0.1 A g-1 and exhibited a good cycle performance. It also displayed a good rate performance with a capability of 663 mAh g-1, 516 mAh g-1, 389 mAh g-1, 290 mAh g-1, 209 mAh g-1 and 141 mAh g-1 at 0.1 A g-1, 0.2 A g-1, 0.5 A g-1, 1 A g-1, 2 A g-1 and 5 A g-1, respectively. Furthermore, it delivered certain capacitance characteristics, which could improve the specific capacity of the battery. The above results showed that this is an effective method to obtain high-performance tin-based anode materials, which is of great significance for the development of new anode materials for LIBs.
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Affiliation(s)
- Guanhua Yang
- Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou 545006, China
- Guangxi Key Laboratory of Low Carbon Energy Materials, Guangxi New Energy Ship Battery Engineering Technology Research Center, Guangxi Scientific and Technological Achievements Transformation Pilot Research Base of Electrochemical Energy Materials and Devices, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China
| | - Yihong Li
- Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou 545006, China
| | - Xu Wang
- Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou 545006, China
| | - Zhiguo Zhang
- Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou 545006, China
| | - Jiayu Huang
- Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou 545006, China
| | - Jie Zhang
- Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou 545006, China
| | - Xinghua Liang
- Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou 545006, China
| | - Jian Su
- Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou 545006, China
| | - Linhui Ouyang
- Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou 545006, China
| | - Jianling Huang
- Guangxi Key Laboratory of Automobile Components and Vehicle Technology, Guangxi University of Science and Technology, Liuzhou 545006, China
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Wu Q, Zhang H, Zhou Y, Tang Z, Li B, Fu T, Zhang Y, Zhu H. Core-Shell Structured Carbon@Al 2O 3 Membrane with Enhanced Acid Resistance for Acid Solution Treatment. Membranes (Basel) 2022; 12:1246. [PMID: 36557154 PMCID: PMC9784977 DOI: 10.3390/membranes12121246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 11/29/2022] [Accepted: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Ceramic membrane has an important application prospect in industrial acid solution treatment. Enhancement of the acid resistance is the key strategy to optimize the membrane treatment effect. This work reports a core-shell structured membrane fabricated on alumina ceramic substrates via a one-step in situ hydrothermal method. The acid resistance of the modified membrane was significantly improved due to the protection provided by a chemically stable carbon layer. After modification, the masses lost by the membrane in the hydrochloric acid solution and the acetic acid solution were sharply reduced by 90.91% and 76.92%, respectively. Kinetic models and isotherm models of adsorption were employed to describe acid adsorption occurring during the membrane process and indicated that the modified membrane exhibited pseudo-second-order kinetics and Langmuir model adsorption. Compared to the pristine membrane, the faster adsorption speed and the lower adsorption capacity were exhibited by the modified membrane, which further had a good performance with treating various kinds of acid solutions. Moreover, the modified membrane could be recycled without obvious flux decay. This modification method provides a facile and efficient strategy for the fabrication of acid-resistant membranes for use in extreme conditions.
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Affiliation(s)
- Qianlian Wu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Huimiao Zhang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yi Zhou
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Zhishu Tang
- State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources, Shaanxi University of Chinese Medicine, Xianyang 712038, China
- China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Bo Li
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Tingming Fu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Yue Zhang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Huaxu Zhu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, China
- Jiangsu Botanical Medicine Refinement Engineering Research Center, Nanjing University of Chinese Medicine, Nanjing 210023, China
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Inoue K, Sakakibara N, Goto T, Ito T, Shimizu Y, Hakuta Y, Ishikawa K, Hori M, Terashima K. Carbon Layer Formation on Hexagonal Boron Nitride by Plasma Processing in Hydroquinone Aqueous Solution. ACS Appl Mater Interfaces 2022; 14:53413-53420. [PMID: 36397203 DOI: 10.1021/acsami.2c15951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Although hexagonal boron nitride (hBN) is a thermally conductive and electrically insulating filler in composite materials, surface modification remains difficult, which limits its dispersibility and functionalization. In this study, carbon layer formation on hBN particles by plasma processing in hydroquinone aqueous solution was investigated as a surface modification technique. Carbon components with features of polymeric hydrogenated amorphous carbon were found to be uniformly distributed on the hydroquinone-aided plasma-modified hBN (HQpBN) particles. Electron spin resonance measurements revealed abundant unpaired electrons in HQpBN, indicating that defects were formed on hBN by plasma processing and that the carbon layer contained dangling bonds. The defects on hBN could help in the attachment of the carbon layer, whereas the dangling bonds could act as reactive sites for further functionalization. The carbon layer on HQpBN was successfully functionalized with isocyanate groups, thus confirming the ability of this carbon layer to facilitate surface modification. These results demonstrate that the carbon layer formed on hBN can provide a designable interface in organic/inorganic composite materials.
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Affiliation(s)
- Kenichi Inoue
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8561, Japan
- AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Kashiwa Research Complex II, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8589, Japan
| | - Noritaka Sakakibara
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8561, Japan
- AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Kashiwa Research Complex II, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8589, Japan
| | - Taku Goto
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8561, Japan
- AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Kashiwa Research Complex II, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8589, Japan
| | - Tsuyohito Ito
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8561, Japan
- AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Kashiwa Research Complex II, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8589, Japan
| | - Yoshiki Shimizu
- AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Kashiwa Research Complex II, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8589, Japan
| | - Yukiya Hakuta
- AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Kashiwa Research Complex II, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8589, Japan
| | - Kenji Ishikawa
- Graduate School of Engineering and Center for Low-temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi464-8603, Japan
| | - Masaru Hori
- Graduate School of Engineering and Center for Low-temperature Plasma Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi464-8603, Japan
| | - Kazuo Terashima
- Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8561, Japan
- AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory (OPERANDO-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Kashiwa Research Complex II, 5-1-5 Kashiwanoha, Kashiwa, Chiba277-8589, Japan
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Naveenkumar P, Maniyazagan M, Kang N, Yang HW, Kang WS, Kim SJ. Carbon-Coated ZnS-FeS 2 Heterostructure as an Anode Material for Lithium-Ion Battery Applications. Int J Mol Sci 2022; 23:ijms232213945. [PMID: 36430422 PMCID: PMC9695666 DOI: 10.3390/ijms232213945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/04/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
The construction of carbon-coated heterostructures of bimetallic sulfide is an effective technique to improve the electrochemical activity of anode materials in lithium-ion batteries. In this work, the carbon-coated heterostructured ZnS-FeS2 is prepared by a two-step hydrothermal method. The crystallinity and nature of carbon-coating are confirmed by the investigation of XRD and Raman spectroscopy techniques. The nanoparticle morphology of ZnS and plate-like morphology of FeS2 is established by TEM images. The chemical composition of heterostructure ZnS-FeS2@C is discovered by an XPS study. The CV results have disclosed the charge storage mechanism, which depends on the capacitive and diffusion process. The BET surface area (37.95 m2g-1) and lower Rct value (137 Ω) of ZnS-FeS2@C are beneficial to attain higher lithium-ion storage performance. It delivered a discharge capacity of 821 mAh g-1 in the 500th continuous cycle @ A g-1, with a coulombic efficiency of around 100%, which is higher than the ZnS-FeS2 heterostructure (512 mAh g-1). The proposed strategy can improve the electrochemical performance and stability of lithium-ion batteries, and can be helpful in finding highly effective anode materials for energy storage devices.
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Affiliation(s)
- Perumal Naveenkumar
- Metal-Organic Compounds Materials Research Center, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul 05006, Korea
| | - Munisamy Maniyazagan
- Department of Nanotechnology and Advanced Materials Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul 05006, Korea
| | - Nayoung Kang
- Department of Nanotechnology and Advanced Materials Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul 05006, Korea
| | - Hyeon-Woo Yang
- Metal-Organic Compounds Materials Research Center, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul 05006, Korea
- Department of Nanotechnology and Advanced Materials Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul 05006, Korea
| | - Woo-Seung Kang
- Department of Metallurgical and Materials Engineering, Inha Technical College, Incheon 22212, Korea
| | - Sun-Jae Kim
- Metal-Organic Compounds Materials Research Center, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul 05006, Korea
- Department of Nanotechnology and Advanced Materials Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul 05006, Korea
- Correspondence: ; Tel.: +82-2-3408-3780
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Sequino L, Sebastianelli G, Vaglieco BM. Carbon and Graphene Coatings for the Thermal Management of Sustainable LMP Batteries for Automotive Applications. Materials (Basel) 2022; 15:7744. [PMID: 36363335 PMCID: PMC9658950 DOI: 10.3390/ma15217744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/24/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
The increment of battery temperature during the operation caused by internal heat generation is one of the main issues to face in the management of storage systems for automotive and power generation applications. The temperature strongly affects the battery efficiency, granting the best performance in a limited range. The investigation and testing of materials for the improvement of heat dissipation are crucial for modern battery systems that must provide high power and energy density. This study presents an analysis of the thermal behavior of a lithium-polymer cell, which can be stacked in a battery pack for electric vehicles. The cell is sheltered with layers of two different materials: carbon and graphene, used in turn, to dissipate the heat generated during the operation in natural convection. Optical diagnostics in the infrared band is used to evaluate the battery surface temperature and the effect of the coatings. Experiments are performed in two operating conditions varying the current demand. Moreover, two theoretical correlations are used to estimate the thermal parameters of the battery with a reverse-logic approach. The convective heat transfer coefficient h and the specific heat capacity cp of the battery are evaluated and provided for the Li-ion battery under investigation for different coatings' conductivity. The results highlight the advantage of using a coating and the effect of the coating properties to reduce the battery temperature under operation. In particular, graphene is preferable because it provides the lowest battery temperature in the most intense operating condition.
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Affiliation(s)
- Luigi Sequino
- Istituto di Scienze e Tecnologie per l'Energia e la Mobilità Sostenibili-CNR, 80125 Napoli, Italy
| | - Gaetano Sebastianelli
- Istituto di Scienze e Tecnologie per l'Energia e la Mobilità Sostenibili-CNR, 80125 Napoli, Italy
| | - Bianca Maria Vaglieco
- Istituto di Scienze e Tecnologie per l'Energia e la Mobilità Sostenibili-CNR, 80125 Napoli, Italy
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Wei S, Serra M, Mourdikoudis S, Zhou H, Wu B, Děkanovský L, Šturala J, Luxa J, Tenne R, Zak A, Sofer Z. Improved Electrochemical Performance of NTs-WS 2@C Nanocomposites for Lithium-Ion and Sodium-Ion Batteries. ACS Appl Mater Interfaces 2022; 14:46386-46400. [PMID: 36206403 DOI: 10.1021/acsami.2c06295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Even though WS2 nanotubes (NTs-WS2) have great potential as anode materials for lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs) thanks to their unusual layered structure, their conductivity and cycling stability are far from satisfactory. To tackle these issues, carbon-coated WS2 (NTs-WS2@C) nanocomposites were prepared through a facile synthesis method that involved precipitating a carbon precursor (20% sucrose) on WS2 nanotubes, followed by annealing treatment under an argon environment. Thanks to the presence of highly conductive and mechanically robust carbon on the outer surface, NTs-WS2@C nanocomposites show improved electrochemical performance compared with bare NTs-WS2. After 60 cycles at 80 mA g-1 current density, the cells display high capacities of 305 mAh g-1 in LIBs and 152 mAh g-1 in SIBs, respectively. As the current density increases to 600 mA g-1, it provides specific capacities of 209 and 115 mAh g-1, correspondingly. The enhanced electrochemical performance in LIBs and SIBs is primarily attributed to the synergistic effects of the tubular architecture of WS2, carbon network and stable nanocomposite structure, which can effectively constrain volume variation during the metal ions intercalation/deintercalation processes.
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Affiliation(s)
- Shuangying Wei
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Marco Serra
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Stefanos Mourdikoudis
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Huaijuan Zhou
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Bing Wu
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Lukáš Děkanovský
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Jiří Šturala
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Jan Luxa
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
| | - Reshef Tenne
- Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Alla Zak
- Faculty of Sciences, Holon Institute of Technology, Holon 5810201, Israel
| | - Zdeněk Sofer
- Department of Inorganic Chemistry, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague 6, Czech Republic
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Gao Y, Yang Y, Schimmenti R, Murray E, Peng H, Wang Y, Ge C, Jiang W, Wang G, DiSalvo FJ, Muller DA, Mavrikakis M, Xiao L, Abruña HD, Zhuang L. A completely precious metal-free alkaline fuel cell with enhanced performance using a carbon-coated nickel anode. Proc Natl Acad Sci U S A 2022; 119:e2119883119. [PMID: 35312369 DOI: 10.1073/pnas.2119883119] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
SignificanceWe present a groundbreaking advance in completely nonprecious hydrogen fuel cell technologies achieving a record power density of 200 mW/cm2 with Ni@CNx anode and Co-Mn cathode. The 2-nm CNx coating weakens the O-binding energy, which effectively mitigates the undesirable surface oxidation during hydrogen oxidation reaction (HOR) polarization, leading to a stable fuel cell operation for Ni@CNx over 100 h at 200 mA/cm2, superior to a Ni nanoparticle counterpart. Ni@CNx exhibited a dramatically enhanced tolerance to CO relative to Pt/C, enabling the use of hydrogen gas with trace amounts of CO, critical for practical applications. The complete removal of precious metals in fuel cells lowers the catalyst cost to virtually negligible levels and marks a milestone for practical alkaline fuel cells.
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Lu L, Zhang B, Song J, Gao H, Wu Z, Shen H, Li Y, Lei W, Hao Q. Synthesis of MnO-Sn cubes embedding in nitrogen-doped carbon nanofibers with high lithium-ion storage performance. Nanotechnology 2021; 33:115403. [PMID: 34874284 DOI: 10.1088/1361-6528/ac4064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 12/06/2021] [Indexed: 06/13/2023]
Abstract
In this paper, a carbon nanofiber (CNF) hybrid nanomaterial composed of MnO-Sn cubes embedding in nitrogen-doped CNF (MnO-Sn@CNF) is synthesized through electrospinning and post-thermal reduction processes. It exhibits good electrochemical lithium-ion storage performance as the anode, such as high reversible capacity, outstanding cycle performance (754 mAh g-1at 1 A g-1after 1000 cycles), and good rate capability (447 mAh g-1at 5 A g-1). The excellent electrochemical properties are derived from a unique nanostructure design. MnO-Sn@CNF has a three-dimensional conductive network with a stable core-shell structure, which improves the electrical conductivity and mechanical stability of the materials. In addition, the mesopores on the surface of carbon fibers can shorten the diffusion distance of lithium ions and promote the combination of active sites of the material with lithium ions. The internal MnO and Sn form a heterostructure, which enhances the stability of the physical structure of the electrode material. This material design method provides a reference strategy for the development of high-performance lithium-ion batteries anode.
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Affiliation(s)
- Longgang Lu
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, School of Chemical Engineering, Nanjing University of Science and Technology, 210094, People's Republic of China
| | - Bin Zhang
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, School of Chemical Engineering, Nanjing University of Science and Technology, 210094, People's Republic of China
| | - Juanjuan Song
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, School of Chemical Engineering, Nanjing University of Science and Technology, 210094, People's Republic of China
| | - Haiwen Gao
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, School of Chemical Engineering, Nanjing University of Science and Technology, 210094, People's Republic of China
| | - Zongdeng Wu
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, School of Chemical Engineering, Nanjing University of Science and Technology, 210094, People's Republic of China
| | - Honglong Shen
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, School of Chemical Engineering, Nanjing University of Science and Technology, 210094, People's Republic of China
| | - Yujunwen Li
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, School of Chemical Engineering, Nanjing University of Science and Technology, 210094, People's Republic of China
| | - Wu Lei
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, School of Chemical Engineering, Nanjing University of Science and Technology, 210094, People's Republic of China
| | - Qingli Hao
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, School of Chemical Engineering, Nanjing University of Science and Technology, 210094, People's Republic of China
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Liu R, Xu S, Shao X, Wen Y, Shi X, Hu J, Yang Z. Carbon coating on metal oxide materials for electrochemical energy storage. Nanotechnology 2021; 32:502004. [PMID: 34450612 DOI: 10.1088/1361-6528/ac21eb] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 08/27/2021] [Indexed: 06/13/2023]
Abstract
During the past decades, nano-structured metal oxide electrode materials have received growing attention due to their low development cost and high theoretical specific capacity, accordingly, quite a lot of metal oxide electrode materials are being used in electrochemical energy storage devices. However, the further development was limited by the relatively low electrical conductivity and the volume expansion during electrochemical reactions. Thus, many approaches have been proposed to obtain high-efficiency metal oxide electrode materials, such as designing nanomaterials with ideal morphology and high specific surface area, optimizing with carbon-based materials (such as graphene and glucose) to prepare nanocomposites, combining with conductive substrates to enhance the conductivity of electrodes, etc. Owning to the advantages of low cost and high chemical stability of carbon materials, core-shell structure formed by carbon-coated metal oxides is considered to be a promising solution to solve these problems. Therefore, this review mainly focuses on recent research advances in the field of carbon-coated metal oxides for energy storage, summarizing the advantages and disadvantages of common metal oxides and different types of carbon sources, and proposing methods to optimize the material properties in terms of structure and morphology, carbon layer thickness, coating method, specific surface area and pore size distribution, as well as improving electrical conductivity. In addition, the double or multi-layer coating strategy is also a reflection of the continuous development of carbon coating method. Hopefully, this rereview may provide a new direction for the renewal and development of future energy storage electrode materials.
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Affiliation(s)
- Ruiqi Liu
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Shusheng Xu
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Xiaoxuan Shao
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Yi Wen
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Xuerong Shi
- School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, People's Republic of China
| | - Jing Hu
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Jiangsu Province 215009, People's Republic of China
| | - Zhi Yang
- Key Laboratory of Thin Film and Microfabrication (Ministry of Education), Department of Micro/Nano Electronics, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China
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Peng Z, Zhang J, Liu P, Claverie J, Siaj M. One-Dimensional CdS/Carbon/Au Plasmonic Nanoarray Photoanodes via In Situ Reduction-Graphitization Approach toward Efficient Solar Hydrogen Evolution. ACS Appl Mater Interfaces 2021; 13:34658-34670. [PMID: 34254774 DOI: 10.1021/acsami.1c04006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Photoelectrochemical (PEC) hydrogen evolution has been acknowledged as a promising "green" technique to convert solar energy into clean chemical fuel. Photoanodes play a key role in determining the performance of PEC systems, spurring numerous efforts to develop advanced materials as well as structures to improve the photoconversion efficiency. In this work, we report the rational design of a plasmonic hierarchical nanorod array, composed of oriented one-dimensional (1D) CdS nanorods decorated with a uniformly wrapped graphite-like carbon (CPDA) layer and Au nanoparticles (Au NPs), as highly efficient photoanode materials. An interfacial in situ reduction-graphitization method has been conducted to prepare the CdS/CPDA/Au nanoarchitecture, where polydopamine (PDA) coating was used as a C source and a reductant. The CdS/CPDA/Au nanoarray photoanode demonstrates superior photoconversion efficiency with a photocurrent density of 8.74 mA/cm2 and an IPCE value (480 nm) of 30.2% (at 1.23 V vs RHE), under simulated sunlight irradiation, which are 12.7 and 13.5 times higher than pristine CdS. The significant enhancement of PEC performance is mainly benefited from the increase of the entire quantum yield and efficiency due to the formation of a Schottky rectifier, localized surface plasmon resonance (LSPR)-enhanced light absorption, and promoted hot-electron injection from interlayered graphene-like carbon. More importantly, thanks to the inhibited charge carrier recombination process and transferred oxidation reaction sites, the fabricated CdS/CPDA/Au photoelectrode exhibits lengthened electron lifetimes and better photostability, illustrating its wonderful potential for future PEC application.
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Affiliation(s)
- Zhiyuan Peng
- Department of Chemistry and Biochemistry, Université du Québec à Montréal, Montréal, Quebec H3C 3P8, Canada
| | - Jianming Zhang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Peipei Liu
- Département de Chimie, Université de Sherbrooke, 2500 Blvd de l'Université, Sherbrooke, J1K2R1 Quebec, Canada
| | - Jerome Claverie
- Département de Chimie, Université de Sherbrooke, 2500 Blvd de l'Université, Sherbrooke, J1K2R1 Quebec, Canada
| | - Mohamed Siaj
- Department of Chemistry and Biochemistry, Université du Québec à Montréal, Montréal, Quebec H3C 3P8, Canada
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Buga MR, Spinu-Zaulet AA, Ungureanu CG, Mitran RA, Vasile E, Florea M, Neatu F. Carbon-Coated SiO 2 Composites as Promising Anode Material for Li-Ion Batteries. Molecules 2021; 26:4531. [PMID: 34361689 DOI: 10.3390/molecules26154531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 07/17/2021] [Accepted: 07/24/2021] [Indexed: 11/17/2022] Open
Abstract
Porous silica-based materials are a promising alternative to graphite anodes for Li-ion batteries due to their high theoretical capacity, low discharge potential similar to pure silicon, superior cycling stability compared to silicon, abundance, and environmental friendliness. However, several challenges prevent the practical application of silica anodes, such as low coulombic efficiency and irreversible capacity losses during cycling. The main strategy to tackle the challenges of silica as an anode material has been developed to prepare carbon-coated SiO2 composites by carbonization in argon atmosphere. A facile and eco-friendly method of preparing carbon-coated SiO2 composites using sucrose is reported herein. The carbon-coated SiO2 composites were characterized using X-ray diffraction, X-ray photoelectron spectroscopy, thermogravimetry, transmission and scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy, cyclic voltammetry, and charge–discharge cycling. A C/SiO2-0.085 M calendered electrode displays the best cycling stability, capacity of 714.3 mAh·g−1, and coulombic efficiency as well as the lowest charge transfer resistance over 200 cycles without electrode degradation. The electrochemical performance improvement could be attributed to the positive effect of the carbon thin layer that can effectively diminish interfacial impedance.
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31
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Hsu SC, Huang TT, Wu YJ, Lu CZ, Weng HC, Huang JH, Chang-Jian CW, Liu TY. Polyimide-Derived Carbon-Coated Li 4Ti 5O 12 as High-Rate Anode Materials for Lithium Ion Batteries. Polymers (Basel) 2021; 13:1672. [PMID: 34063791 DOI: 10.3390/polym13111672] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 05/19/2021] [Accepted: 05/19/2021] [Indexed: 11/16/2022] Open
Abstract
Carbon-coated Li4Ti5O12 (LTO) has been prepared using polyimide (PI) as a carbon source via the thermal imidization of polyamic acid (PAA) followed by a carbonization process. In this study, the PI with different structures based on pyromellitic dianhydride (PMDA), 4,4′-oxydianiline (ODA), and p-phenylenediamine (p-PDA) moieties have been synthesized. The effect of the PI structure on the electrochemical performance of the carbon-coated LTO has been investigated. The results indicate that the molecular arrangement of PI can be improved when the rigid p-PDA units are introduced into the PI backbone. The carbons derived from the p-PDA-based PI show a more regular graphite structure with fewer defects and higher conductivity. As a result, the carbon-coated LTO exhibits a better rate performance with a discharge capacity of 137.5 mAh/g at 20 C, which is almost 1.5 times larger than that of bare LTO (94.4 mAh/g).
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32
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Huang B, Chu B, Huang T, Yu A. Nitrogen-Doped Carbon-Coating Disproportionated SiO Materials as Long Cycling Stable Anode for Lithium Ion Batteries. Molecules 2021; 26:molecules26061536. [PMID: 33799687 PMCID: PMC7999386 DOI: 10.3390/molecules26061536] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 02/25/2021] [Accepted: 03/09/2021] [Indexed: 11/18/2022] Open
Abstract
Silicon monoxide (SiO) is a kind of promising anode material for lithium-ion batteries because of its smaller volume change during the charge and discharge process than pure silicon and its higher theoretical capacity than commercialized graphite. However, its fast-fading capacity still restricts the development of practical application of SiO. A simple and cheap strategy to dope nitrogen and coat carbon on the surface of disproportionated SiO is proposed to improve the cycling stability significantly even at a high specific current. The capacity retention is nearly 85% after 250 cycles and more than 69% after 500 cycles at a specific current of 1000 mA g−1. Even at a specific current of 2000 mA g−1, its cycling performance behaves similarly to that of 1000 mA g−1. Nitrogen doping in materials could improve the conductivity of materials because pyridinic nitrogen and pyrrolic nitrogen could improve the electron conductivity and provide defects to contribute to the diffusion of lithium ions. The use of pitch and melamine, which are easily available industrial raw materials, makes it possible to contribute to the practical application.
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Affiliation(s)
- Ben Huang
- Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Institute of New Energy, Fudan University, Shanghai 200438, China; (B.H.); (B.C.)
| | - Binbin Chu
- Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Institute of New Energy, Fudan University, Shanghai 200438, China; (B.H.); (B.C.)
| | - Tao Huang
- Laboratory of Advanced Materials, Fudan University, Shanghai 200438, China
- Correspondence: (T.H.); (A.Y.)
| | - Aishui Yu
- Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Institute of New Energy, Fudan University, Shanghai 200438, China; (B.H.); (B.C.)
- Correspondence: (T.H.); (A.Y.)
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Wu Z, Huang H, Xiong W, Yang S, Huang H, Zou Y, Zhou W, Cheng Z, Wang J, Luo G. One-Pot Synthesis of Glucose-Derived Carbon Coated Ni 3S 2 Nanowires as a Battery-Type Electrode for High Performance Supercapacitors. Nanomaterials (Basel) 2021; 11:nano11030678. [PMID: 33803278 PMCID: PMC7999301 DOI: 10.3390/nano11030678] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/01/2021] [Accepted: 03/05/2021] [Indexed: 11/29/2022]
Abstract
We report a novel Ni3S2 carbon coated (denoted as NCC) rod-like structure prepared by a facile one-pot hydrothermal method and employ it as a binder free electrode in supercapacitor. We coated carbon with glucose as carbon source on the surface of samples and investigated the suitable glucose concentration. The as-obtained NCC rod-like structure demonstrated great performance with a huge specific capacity of 657 C g−1 at 1 A g−1, preeminent rate capability of 87.7% retention, the current density varying to 10 A g−1, and great cycling stability of 76.7% of its original value through 3500 cycles, which is superior to the properties of bare Ni3S2. The result presents a facile, general, viable strategy to constructing a high-performance material for the supercapacitor applications.
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Affiliation(s)
- Zhongkai Wu
- School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China; (Z.W.); (W.X.); (S.Y.); (H.H.); (Y.Z.); (W.Z.); (Z.C.)
- Nanjing National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
- School of Resource, Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Haifu Huang
- Guangxi Novel Battery Materials Research Center of Engineering Technology, Center on Nanoenergy Research, School of Physics Science and Technology, Guangxi University, Nanning 530004, China; (H.H.); (J.W.)
| | - Wenhui Xiong
- School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China; (Z.W.); (W.X.); (S.Y.); (H.H.); (Y.Z.); (W.Z.); (Z.C.)
- Nanjing National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
| | - Shiming Yang
- School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China; (Z.W.); (W.X.); (S.Y.); (H.H.); (Y.Z.); (W.Z.); (Z.C.)
| | - Huanhuan Huang
- School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China; (Z.W.); (W.X.); (S.Y.); (H.H.); (Y.Z.); (W.Z.); (Z.C.)
| | - Yaohui Zou
- School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China; (Z.W.); (W.X.); (S.Y.); (H.H.); (Y.Z.); (W.Z.); (Z.C.)
| | - Weiping Zhou
- School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China; (Z.W.); (W.X.); (S.Y.); (H.H.); (Y.Z.); (W.Z.); (Z.C.)
- Nanjing National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
| | - Zhenzhi Cheng
- School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China; (Z.W.); (W.X.); (S.Y.); (H.H.); (Y.Z.); (W.Z.); (Z.C.)
- Nanjing National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
| | - Jun Wang
- Guangxi Novel Battery Materials Research Center of Engineering Technology, Center on Nanoenergy Research, School of Physics Science and Technology, Guangxi University, Nanning 530004, China; (H.H.); (J.W.)
| | - Guangsheng Luo
- School of Materials Science and Engineering, Nanchang University, Nanchang 330031, China; (Z.W.); (W.X.); (S.Y.); (H.H.); (Y.Z.); (W.Z.); (Z.C.)
- Nanjing National Laboratory of Solid State Microstructures, School of Physics, Nanjing University, Nanjing 210093, China
- State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
- Correspondence:
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Huang Z, Dang G, Jiang W, Sun Y, Yu M, Zhang Q, Xie J. A Low-Cost and Scalable Carbon Coated SiO-Based Anode Material for Lithium-Ion Batteries. ChemistryOpen 2021; 10:380-386. [PMID: 33492771 PMCID: PMC7953473 DOI: 10.1002/open.202000341] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 12/03/2020] [Indexed: 11/15/2022] Open
Abstract
Silicon monoxide (SiO) is considered as one of the most promising alternative anode materials thanks to its high theoretical capacity, satisfying operating voltage and low cost. However, huge volume change, poor electrical conductivity, and poor cycle performance of SiO dramatically hindered its commercial application. In this work, we report an affordable and simple way for manufacturing carbon-coated SiO-C composites with good electrochemical performance on kilogram scales. Industrial grade SiO was modified by carbon coating using cheap and environment friendly polyvinyl pyrrolidone (PVP) as carbon source. High-resolution transmission electron microscopy (HRTEM) and Raman spectra results show that there is an amorphous carbon coating layer with a thickness of about 40 nm on the surface of SiO. The synthesized SiO-C-650 composite shows great electrochemical performance with a high capacity of 1491 mAh.g-1 at 0.1 C rate and outstanding capacity retention of 67.2 % after 100 cycles. The material also displays an excellent performance with a capacity of 1100 mAh.g-1 at 0.5 C rate. Electrochemical impedance spectroscopy (EIS) results also prove that the carbon coating layer can effectively improve the conductivity of the composite and thus enhance the cycling stability of SiO electrode.
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Affiliation(s)
- Zhihao Huang
- Department of Chemical EngineeringShanghai institute of TechnologyShanghai201418China
| | - Guoju Dang
- Department of Research and DevelopmentShanghai Power and Energy Storage Battery System Engineering Technology Research CenterShanghai200245China
- State Key Laboratory of Space Power-Sources TechnologyShanghai Institute of space power sourcesShanghai200245China
| | - Wenping Jiang
- Department of Chemical EngineeringShanghai institute of TechnologyShanghai201418China
| | - Yuanyu Sun
- Department of Chemical EngineeringShanghai institute of TechnologyShanghai201418China
| | - Meng Yu
- Department of Chemical EngineeringShanghai institute of TechnologyShanghai201418China
| | - Quansheng Zhang
- Department of Chemical EngineeringShanghai institute of TechnologyShanghai201418China
| | - Jingying Xie
- Department of Research and DevelopmentShanghai Power and Energy Storage Battery System Engineering Technology Research CenterShanghai200245China
- State Key Laboratory of Space Power-Sources TechnologyShanghai Institute of space power sourcesShanghai200245China
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Zhang B, Wang Y, Shen H, Song J, Gao H, Yang X, Yu J, Wu Z, Lei W, Hao Q. Hollow Porous CoSnO x Nanocubes Encapsulated in One-Dimensional N-Doped Carbon Nanofibers as Anode Material for High-Performance Lithium Storage. ACS Appl Mater Interfaces 2021; 13:660-670. [PMID: 33375778 DOI: 10.1021/acsami.0c17546] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
CoSnO3, as a high theoretical capacity electrode material (1235 mAh g-1) for lithium storage, has been limited due to its low rate performance, huge volume expansion, and an unstable solid electrolyte interface (SEI). A rational design of the material structure including carbon coating can effectively solve the problems. To buffer the volume change and achieve a superior rate capability, hollow CoSnOx nanocubes encapsulated in 1D N-doped carbon nanofibers (CNFs) were fabricated by electrospinning, showing a final discharge capacity of 733 mAh g-1 with a 96% capacity retention after 800 cycles at a current rate of 1 A g-1 and a brilliant rate performance (49% capacity maintenance with the current variation from 0.1 to 5 A g-1). Absolutely, these outstanding characteristics are ascribed to the unique structure. The N-doped carbon fibers outside not only prevent the volume expansion during Li+ intercalation/extraction but also improve the electron transport in the electrode. Most significantly, the hollow structure offers enough vacant space to buffer the internal strain, while the porous structure shortens the Li+ diffusion distance. Combined with electrospinning technology, this study shares a novel idea for designing various composites with rational structures and outstanding electrochemical properties.
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Affiliation(s)
- Bin Zhang
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yang Wang
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Honglong Shen
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Juanjuan Song
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Haiwen Gao
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Xiaoqiang Yang
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Jia Yu
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Zongdeng Wu
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Wu Lei
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Qingli Hao
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094, China
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Hong B, He X, Yi H, Hu C. Effect of PVP Coating on LiMnBO 3 Cathodes for Li-Ion Batteries. Materials (Basel) 2020; 13:E5528. [PMID: 33287391 PMCID: PMC7730572 DOI: 10.3390/ma13235528] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/29/2020] [Accepted: 11/30/2020] [Indexed: 12/01/2022]
Abstract
LiMnBO3 is a potential cathode for Li-ion batteries, but it suffers from a low electrochemical activity. To improve the electrochemical performance of LiMnBO3, the effect of polyvinyl pyrrolidone (PVP) as carbon additive was studied. Monoclinic LiMnBO3/C and LiMnBO3-MnO/C materials were obtained by a solid-state method at 500 °C. The structure, morphology and electrochemical behavior of these materials are characterized and compared. The results show that carbon additives and ball-milling dispersants affect the formation of impurities in the final products, but MnO is beneficial for the performance of LiMnBO3. The sample of LiMnBO3-MnO/C delivered a high capacity of 162.1 mAh g-1 because the synergistic effect of the MnO/C composite and the suppression of the PVP coating on particle growth facilitates charge transfer and lithium-ion diffusion.
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Affiliation(s)
- Bolong Hong
- Hubei Key Laboratory of Mine Environmental Pollution Control & Remediation, School of Materials Science and Engineering, Hubei Polytechnic University, Huangshi 435003, China; (B.H.); (H.Y.)
| | - Xiangming He
- Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China;
| | - Huihua Yi
- Hubei Key Laboratory of Mine Environmental Pollution Control & Remediation, School of Materials Science and Engineering, Hubei Polytechnic University, Huangshi 435003, China; (B.H.); (H.Y.)
| | - Chenglin Hu
- Hubei Key Laboratory of Mine Environmental Pollution Control & Remediation, School of Materials Science and Engineering, Hubei Polytechnic University, Huangshi 435003, China; (B.H.); (H.Y.)
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37
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Yue H, Park JA, Ho SL, Ahmad MY, Cha H, Liu S, Tegafaw T, Marasini S, Ghazanfari A, Kim S, Chae KS, Chang Y, Lee GH. New Class of Efficient T 2 Magnetic Resonance Imaging Contrast Agent: Carbon-Coated Paramagnetic Dysprosium Oxide Nanoparticles. Pharmaceuticals (Basel) 2020; 13:ph13100312. [PMID: 33076332 PMCID: PMC7602642 DOI: 10.3390/ph13100312] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/13/2020] [Accepted: 10/13/2020] [Indexed: 11/16/2022] Open
Abstract
Nanoparticles are considered potential candidates for a new class of magnetic resonance imaging (MRI) contrast agents. Negative MRI contrast agents require high magnetic moments. However, if nanoparticles can exclusively induce transverse water proton spin relaxation with negligible induction of longitudinal water proton spin relaxation, they may provide negative contrast MR images despite having low magnetic moments, thus acting as an efficient T2 MRI contrast agent. In this study, carbon-coated paramagnetic dysprosium oxide (DYO@C) nanoparticles (core = DYO = DyxOy; shell = carbon) were synthesized to explore their potential as an efficient T2 MRI contrast agent at 3.0 T MR field. Since the core DYO nanoparticles have an appreciable (but not high) magnetic moment that arises from fast 4f-electrons of Dy(III) (6H15/2), the DYO@C nanoparticles exhibited an appreciable transverse water proton spin relaxivity (r2) with a negligible longitudinal water proton spin relaxivity (r1). Consequently, they acted as a very efficient T2 MRI contrast agent, as proven from negative contrast enhancements seen in the in vivo T2 MR images.
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Affiliation(s)
- Huan Yue
- Department of Chemistry, Department of Nanoscience and Nanotechnology (DNN), College of Natural Sciences, Kyungpook National University (KNU), Taegu 41566, Korea; (H.Y.); (S.L.H.); (M.Y.A.); (S.L.); (T.T.); (S.M.); (A.G.)
| | - Ji Ae Park
- Division of RI-Convergence Research, Korea Institute of Radiological & Medical Sciences (KIRAMS), Seoul 01817, Korea;
| | - Son Long Ho
- Department of Chemistry, Department of Nanoscience and Nanotechnology (DNN), College of Natural Sciences, Kyungpook National University (KNU), Taegu 41566, Korea; (H.Y.); (S.L.H.); (M.Y.A.); (S.L.); (T.T.); (S.M.); (A.G.)
| | - Mohammad Yaseen Ahmad
- Department of Chemistry, Department of Nanoscience and Nanotechnology (DNN), College of Natural Sciences, Kyungpook National University (KNU), Taegu 41566, Korea; (H.Y.); (S.L.H.); (M.Y.A.); (S.L.); (T.T.); (S.M.); (A.G.)
| | - Hyunsil Cha
- Department of Molecular Medicine and Medical & Biological Engineering, DNN, School of Medicine, KNU and Hospital, Taegu 41566, Korea; (H.C.); (S.K.)
| | - Shuwen Liu
- Department of Chemistry, Department of Nanoscience and Nanotechnology (DNN), College of Natural Sciences, Kyungpook National University (KNU), Taegu 41566, Korea; (H.Y.); (S.L.H.); (M.Y.A.); (S.L.); (T.T.); (S.M.); (A.G.)
| | - Tirusew Tegafaw
- Department of Chemistry, Department of Nanoscience and Nanotechnology (DNN), College of Natural Sciences, Kyungpook National University (KNU), Taegu 41566, Korea; (H.Y.); (S.L.H.); (M.Y.A.); (S.L.); (T.T.); (S.M.); (A.G.)
| | - Shanti Marasini
- Department of Chemistry, Department of Nanoscience and Nanotechnology (DNN), College of Natural Sciences, Kyungpook National University (KNU), Taegu 41566, Korea; (H.Y.); (S.L.H.); (M.Y.A.); (S.L.); (T.T.); (S.M.); (A.G.)
| | - Adibehalsadat Ghazanfari
- Department of Chemistry, Department of Nanoscience and Nanotechnology (DNN), College of Natural Sciences, Kyungpook National University (KNU), Taegu 41566, Korea; (H.Y.); (S.L.H.); (M.Y.A.); (S.L.); (T.T.); (S.M.); (A.G.)
| | - Soyeon Kim
- Department of Molecular Medicine and Medical & Biological Engineering, DNN, School of Medicine, KNU and Hospital, Taegu 41566, Korea; (H.C.); (S.K.)
| | - Kwon Seok Chae
- Department of Biology Education, DNN, Teachers’ College, KNU, Taegu 41566, Korea;
| | - Yongmin Chang
- Department of Molecular Medicine and Medical & Biological Engineering, DNN, School of Medicine, KNU and Hospital, Taegu 41566, Korea; (H.C.); (S.K.)
- Correspondence: (Y.C.); (G.H.L.)
| | - Gang Ho Lee
- Department of Chemistry, Department of Nanoscience and Nanotechnology (DNN), College of Natural Sciences, Kyungpook National University (KNU), Taegu 41566, Korea; (H.Y.); (S.L.H.); (M.Y.A.); (S.L.); (T.T.); (S.M.); (A.G.)
- Correspondence: (Y.C.); (G.H.L.)
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Liu T, Gong Q, Cao P, Sun X, Ren J, Gu S, Zhou G. Preparations of NiFe 2O 4 Yolk-Shell@C Nanospheres and Their Performances as Anode Materials for Lithium-Ion Batteries. Nanomaterials (Basel) 2020; 10:E1994. [PMID: 33050348 PMCID: PMC7600623 DOI: 10.3390/nano10101994] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 10/07/2020] [Indexed: 01/29/2023]
Abstract
At present, lithium-ion batteries (LIBs) have received widespread attention as substantial energy storage devices; thus, their electrochemical performances must be continuously researched and improved. In this paper, we demonstrate a simple self-template solvothermal method combined with annealing for the synthesis of NiFe2O4 yolk-shell (NFO-YS) and NiFe2O4 solid (NFO-S) nanospheres by controlling the heating rate and coating them with a carbon layer on the surface via high-temperature carbonization of resorcinol and formaldehyde resin. Among them, NFO-YS@C has an obvious yolk-shell structure, with a core-shell spacing of about 60 nm, and the thicknesses of the NiFe2O4 shell and carbon shell are approximately 15 and 30 nm, respectively. The yolk-shell structure can alleviate volume changes and shorten the ion/electron diffusion path, while the carbon shell can improve conductivity. Therefore, NFO-YS@C nanospheres as the anode materials of LIBs show a high initial capacity of 1087.1 mA h g-1 at 100 mA g-1, and the capacity of NFO-YS@C nanospheres impressively remains at 1023.5 mA h g-1 after 200 cycles at 200 mA g-1. The electrochemical performance of NFO-YS@C is significantly beyond NFO-S@C, which proves that the carbon coating and yolk-shell structure have good stability and excellent electron transport ability.
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Affiliation(s)
| | | | | | | | | | - Shaonan Gu
- Key Laboratory of Fine Chemicals in Universities of Shandong, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (T.L.); (Q.G.); (P.C.); (X.S.); (J.R.)
| | - Guowei Zhou
- Key Laboratory of Fine Chemicals in Universities of Shandong, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (T.L.); (Q.G.); (P.C.); (X.S.); (J.R.)
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Ji X, Zhang Y, Ma Z, Qiu Y. Oxygen Vacancy-rich Ni/NiO@NC Nanosheets with Schottky Heterointerface for Efficient Urea Oxidation Reaction. ChemSusChem 2020; 13:5004-5014. [PMID: 32662934 DOI: 10.1002/cssc.202001185] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 06/14/2020] [Indexed: 06/11/2023]
Abstract
H2 production via electrocatalytic water splitting is greatly hindered by the sluggish oxygen evolution reaction (OER). The urea oxidation reaction (UOR) draws specific attention not only because of its lower theoretical voltage of 0.37 V compared with OER (1.23 V), but also for treating sewage water. Herein, Ni/NiO nanosheets with an ultrathin N-doped C layer containing a Schottky Ni and NiO heterointerface is constructed. Because of the self-driven charge redistribution at the heterointerface, janus charge domains are successfully created to drive the cleavage of urea molecules. Meanwhile, the synergistic effect between N-doped C and Ni/NiO restrains the deactivation of active sites in alkaline solution. The catalyst displays 1.35 V for UOR at 10 mA/cm2 , 0.27 V lower than that of OER. The final potential increase is only 2 mV after long-term stability test of 12 h for UOR, much smaller than the uncoated sample (38 mV). The present work shows that C-coated transition metal nanomaterials with oxygen vacancies and a Schottky heterointerface are promising candidates for simultaneously boosting UOR with both high activity and long-term stability.
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Affiliation(s)
- Xinyang Ji
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China
| | - Yongxia Zhang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China
| | - Zhuo Ma
- School of Life Science and Technology, I Harbin Institute of Technology, Harbin, 150001, P. R. China
| | - Yunfeng Qiu
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China
- Key Laboratory of Micro-systems and Micro-structures Manufacturing, Harbin Institute of Technology, Harbin, 150001, P. R. China
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Wang S, Zhu T, Chen F, Ding X, Hu Q, Liao J, He X, Chen C. Cr 2P 2O 7 as a Novel Anode Material for Sodium and Lithium Storage. Materials (Basel) 2020; 13:E3139. [PMID: 32674443 PMCID: PMC7412520 DOI: 10.3390/ma13143139] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 07/09/2020] [Accepted: 07/10/2020] [Indexed: 11/21/2022]
Abstract
The development of new appropriate anode material with low cost is still main issue for sodium-ion batteries (SIBs) and lithium-ion batteries (LIBs). Here, Cr2P2O7 with an in-situ formed carbon layer has been fabricated through a facile solid-state method and its storage performance in SIBs and LIBs has been reported first. The Cr2P2O7@C delivers 238 mA h g-1 and 717 mA h g-1 at 0.05 A g-1 in SIBs and LIBs, respectively. A capacity of 194 mA h g-1 is achieved in SIBs after 300 cycles at 0.1 A g-1 with a high capacity retention of 92.4%. When tested in LIBs, 351 mA h g-1 is maintained after 600 cycles at 0.1 A g-1. The carbon coating layer improves the conductivity and reduces the side reaction during the electrochemical process, and hence improves the rate performance and enhances the cyclic stability.
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Affiliation(s)
| | | | | | | | | | | | | | - Chunhua Chen
- CAS Key Laboratory of Materials for Energy Conversions, Department of Materials Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, University of Science and Technology of China, Hefei 230026, China; (S.W.); (T.Z.); (F.C.); (X.D.); (Q.H.); (J.L.); (X.H.)
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You J, Fan H, Winfield J, Ieropoulos IA. Complete Microbial Fuel Cell Fabrication Using Additive Layer Manufacturing. Molecules 2020; 25:E3051. [PMID: 32635321 DOI: 10.3390/molecules25133051] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/23/2020] [Accepted: 06/30/2020] [Indexed: 02/06/2023] Open
Abstract
Improving the efficiency of microbial fuel cell (MFC) technology by enhancing the system performance and reducing the production cost is essential for commercialisation. In this study, building an additive manufacturing (AM)-built MFC comprising all 3D printed components such as anode, cathode and chassis was attempted for the first time. 3D printed base structures were made of low-cost, biodegradable polylactic acid (PLA) filaments. For both anode and cathode, two surface modification methods using either graphite or nickel powder were tested. The best performing anode material, carbon-coated non-conductive PLA filament, was comparable to the control modified carbon veil with a peak power of 376.7 µW (7.5 W m−3) in week 3. However, PLA-based AM cathodes underperformed regardless of the coating method, which limited the overall performance. The membrane-less design produced more stable and higher power output levels (520−570 µW, 7.4−8.1 W m−3) compared to the ceramic membrane control MFCs. As the final design, four AM-made membrane-less MFCs connected in series successfully powered a digital weather station, which shows the current status of low-cost 3D printed MFC development.
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Zhang LL, Liu J, Wei C, Sun PP, Gao L, Ding XK, Liang G, Yang XL, Huang YH. N/P-Dual-Doped Carbon-Coated Na 3V 2(PO 4) 2O 2F Microspheres as a High-Performance Cathode Material for Sodium-Ion Batteries. ACS Appl Mater Interfaces 2020; 12:3670-3680. [PMID: 31872995 DOI: 10.1021/acsami.9b20490] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Na3V2(PO4)2O2F (NVPOF) is attracting great interest due to its large capacity and high working voltage. However, poor electronic conductivity limits the electrochemical performance of NVPOF. Herein, we fabricate N/P-dual-doped carbon-coated NVPOF microspheres (labeled as NVPOF@P/N/C) via a hydrothermal process followed by heat treatment. This microsphere-structured NVPOF@P/N/C composite has a relatively high tap density of 1.22 g/cm3. TEM and XPS results reveal that the dual-doped carbon layer is tightly coated on the NVPOF surface due to the bridging effect of P and has a good protective effect on NVPOF. Density functional theory (DFT) calculations confirm that a N/P-dual-doped carbon layer is advantageous to achieve higher electronic conductivity and lower migration activation energy than those of the undoped and single N- or P-doped carbon layer. As a cathode material for a sodium-ion battery (SIB), NVPOF@P/N/C exhibits high capacity (128 mAh/g at 0.5 C and 122 mAh/g at 2 C) and ultralong cycle performance (only 0.037% capacity fading rate per cycle in 500 cycles at 2 C). We believe that the NVPOF@P/N/C composite is appealing for high-performance SIBs with large energy density.
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Affiliation(s)
- Lu-Lu Zhang
- College of Materials and Chemical Engineering, Hubei Provincial Collaborative Innovation Center for New Energy Microgrid , China Three Gorges University , 8 Daxue Road , Yichang , Hubei 443002 , China
| | - Jing Liu
- College of Materials and Chemical Engineering, Hubei Provincial Collaborative Innovation Center for New Energy Microgrid , China Three Gorges University , 8 Daxue Road , Yichang , Hubei 443002 , China
| | - Cheng Wei
- College of Materials and Chemical Engineering, Hubei Provincial Collaborative Innovation Center for New Energy Microgrid , China Three Gorges University , 8 Daxue Road , Yichang , Hubei 443002 , China
| | - Pan-Pan Sun
- College of Materials and Chemical Engineering, Hubei Provincial Collaborative Innovation Center for New Energy Microgrid , China Three Gorges University , 8 Daxue Road , Yichang , Hubei 443002 , China
| | - Lin Gao
- College of Materials and Chemical Engineering, Hubei Provincial Collaborative Innovation Center for New Energy Microgrid , China Three Gorges University , 8 Daxue Road , Yichang , Hubei 443002 , China
| | - Xiao-Kai Ding
- School of Chemical Engineering & Light Industry , Guangdong University of Technology , Guangzhou , Guangdong 510006 , China
| | - Gan Liang
- Department of Physics , Sam Houston State University , Huntsville , Texas 77341 , United States
| | - Xue-Lin Yang
- College of Materials and Chemical Engineering, Hubei Provincial Collaborative Innovation Center for New Energy Microgrid , China Three Gorges University , 8 Daxue Road , Yichang , Hubei 443002 , China
| | - Yun-Hui Huang
- School of Materials Science and Engineering, State Key Laboratory of Material Processing and Die & Mould Technology , Huazhong University of Science and Technology , 1037 Luoyu Road , Wuhan , Hubei 430074 , China
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Khan S, Raj RP, George L, Kannangara GSK, Milev A, Varadaraju UV, Selvam P. Surfactant-Mediated and Morphology-Controlled Nanostructured LiFePO 4/Carbon Composite as a Promising Cathode Material for Li-Ion Batteries. ChemistryOpen 2020; 9:23-31. [PMID: 31921542 PMCID: PMC6946950 DOI: 10.1002/open.201900175] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Indexed: 11/30/2022] Open
Abstract
The synthesis of morphology-controlled carbon-coated nanostructured LiFePO4 (LFP/Carbon) cathode materials by surfactant-assisted hydrothermal method using block copolymers is reported. The resulting nanocrystalline high surface area materials were coated with carbon and designated as LFP/C123 and LFP/C311. All the materials were systematically characterized by various analytical, spectroscopic and imaging techniques. The reverse structure of the surfactant Pluronic® 31R1 (PPO-PEO-PPO) in comparison to Pluronic® P123 (PEO-PPO-PEO) played a vital role in controlling the particle size and morphology which in turn ameliorate the electrochemical performance in terms of reversible specific capacity (163 mAh g-1 and 140 mAh g-1 at 0.1 C for LFP/C311 and LFP/C123, respectively). In addition, LFP/C311 demonstrated excellent electrochemical performance including lower charge transfer resistance (146.3 Ω) and excellent cycling stability (95 % capacity retention at 1 C after 100 cycles) and high rate capability (163.2 mAh g-1 at 0.1 C; 147.1 mAh g-1 at 1 C). The better performance of the former is attributed to LFP nanoparticles (<50 nm) with a specific spindle-shaped morphology. Further, we have also evaluated the electrode performance with the use of both PVDF and CMC binders employed for the electrode fabrication.
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Affiliation(s)
- Sourav Khan
- National Centre for Catalysis Research and Department of ChemistryIndian Institute of Technology-MadrasChennai-600036India
| | - Rayappan Pavul Raj
- National Centre for Catalysis Research and Department of ChemistryIndian Institute of Technology-MadrasChennai-600036India
| | - Laurel George
- School of Science and HealthWestern Sydney UniversityPenrith NSW2751Australia
| | | | - Adriyan Milev
- School of Science and HealthWestern Sydney UniversityPenrith NSW2751Australia
| | - Upadhyayula V. Varadaraju
- Materials Science Research Centre and Department of ChemistryIndian Institute of Technology-MadrasChennai600 036India
| | - Parasuraman Selvam
- National Centre for Catalysis Research and Department of ChemistryIndian Institute of Technology-MadrasChennai-600036India
- School of Chemical Engineering and Analytical ScienceThe University of ManchesterManchesterM13 9PLUnited Kingdom
- Department of Chemical and Process EngineeringUniversity of SurreyGuildford, SurreyGU2 7XHUnited Kingdom
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Zhou K, Zheng S, Liu H, Zhang C, Gao H, Luo M, Xu N, Xiang Y, Liu X, Zhong G, Yang Y. Elucidating and Mitigating the Degradation of Cationic-Anionic Redox Processes in Li 1.2Mn 0.4Ti 0.4O 2 Cation-Disordered Cathode Materials. ACS Appl Mater Interfaces 2019; 11:45674-45682. [PMID: 31714058 DOI: 10.1021/acsami.9b16011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Cation-disordered rock-salt oxides with the O2-/O2n- redox reaction, such as Li1.2Mn0.4Ti0.4O2 (LMTO), are critical Li-rich cathode materials for designing high-energy-density batteries. Understanding the cationic-anionic redox accompanying the structural evolution process is really imperative to further improve the performance. In this work, the cationic-anionic redox and capacity degradation mechanism of carbon-coated LMTO during (dis)charge processes are elucidated by combining in situ X-ray diffraction, X-ray absorption near-edge spectroscopy, differential electrochemical mass spectrometry, transmission electron microscopy, and electrochemical analyses. It is concluded that the redox reaction of Mn2+/Mn4+ is quite stable, while the severe degradation is mainly caused by the O2-/O2n- redox process. Moreover, we clearly clarify how the cationic-anionic interplay governs sluggish kinetics, large polarization, and capacity fading in LMTO, and reveal for the first time that a certain amount of carbon coating is capable of suppressing the irreversible lattice oxygen loss and results in an encouraging cycling performance. In summary, we elucidate the degradation of cationic-anionic redox processes in cation-disordered cathode materials and propose strategies for adjusting the electronic/ionic conductivity of the electrodes to modulate the oxygen redox reactions, setting a new direction for the design of better cation-disordered oxides.
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Affiliation(s)
| | | | - Haodong Liu
- Department of Nanoengineering , University of California San Diego , La Jolla , California 92093 , United States
| | - Chunyang Zhang
- State Key laboratory of Fine Chemicals, School of Chemistry , Dalian University of Technology , Dalian 116024 , People's Republic of China
| | | | | | | | | | | | - Guiming Zhong
- Xiamen Institute of Rare Earth Materials, Haixi institutes , Chinese Academy of Sciences , Xiamen 361005 , People's Republic of China
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Zheng X, Chen Q, Lv S, Fu X, Wen J, Liu X. Enhanced Visible-Light Photocatalytic Activity of Ag QDs Anchored on CeO 2 Nanosheets with a Carbon Coating. Nanomaterials (Basel) 2019; 9:nano9111643. [PMID: 31752411 PMCID: PMC6915373 DOI: 10.3390/nano9111643] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 11/11/2019] [Accepted: 11/13/2019] [Indexed: 12/14/2022]
Abstract
Ag quantum dots (QDs) anchored on CeO2 nanosheets with a carbon coating (Ag/CeO2@C) (composites) were prepared via an in situ reduction approach for the photocatalytic degradation of Cr(VI) and tetracycline hydrochloride (TCH) in the visible-light region. The photocatalytic activity of Ag/CeO2@C was greatly affected by carbon content, Ag-doping content, Cr(VI) concentration, pH value, and inorganic ions. Enhanced photocatalytic activity was obtained by Ag/CeO2@C (compared to CeO2 and CeO2@C), of which 3-Ag/CeO2@C-2 with an Ag-doping content of 5.41% presented the best removal efficiency and the most superior stability after five cycles. ·O2− and ·OH radicals were crucial for the photocatalytic capacity of 3-Ag/CeO2@C-2. The combined effect of the surface plasma resonance (SPR) of Ag QDs, an electron trapper of carbon shells, and the redox activity of the Ce(III)/Ce(IV) coupling induced efficient charge transfer and separation, suppressing the recombination of electron–hole pairs.
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Affiliation(s)
- Xiaogang Zheng
- Research Center for Eco-Environmental Engineering, Dongguan University of Technology, Dongguan 523808, China;
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang 641100, China; (Q.C.); (X.F.)
| | - Qian Chen
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang 641100, China; (Q.C.); (X.F.)
| | - Sihao Lv
- Research Center for Eco-Environmental Engineering, Dongguan University of Technology, Dongguan 523808, China;
- Correspondence: (S.L.); (J.W.); Tel.: +86-0769-22862965 (S.L.); +86-0971-7762180 (J.W.)
| | - Xiaojin Fu
- College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang 641100, China; (Q.C.); (X.F.)
| | - Jing Wen
- Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Key Laboratory of Salt Lake Resources Chemistry of Qinghai Province, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, China
- Correspondence: (S.L.); (J.W.); Tel.: +86-0769-22862965 (S.L.); +86-0971-7762180 (J.W.)
| | - Xinhui Liu
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China;
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Zhang J, Zhou X, Wang Y, Qian J, Zhong F, Feng X, Chen W, Ai X, Yang H, Cao Y. Highly Electrochemically-Reversible Mesoporous Na 2 FePO 4 F/C as Cathode Material for High-Performance Sodium-Ion Batteries. Small 2019; 15:e1903723. [PMID: 31577385 DOI: 10.1002/smll.201903723] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 09/07/2019] [Indexed: 06/10/2023]
Abstract
As promising cathode materials, iron-based phosphate compounds have attracted wide attention for sodium-ion batteries due to their low cost and safety. Among them, sodium iron fluorophosphate (Na2 FePO4 F) is widely noted due to its layered structure and high operating voltage compared with NaFePO4 . Here, a mesoporous Na2 FePO4 F@C (M-NFPF@C) composite derived from mesoporous FePO4 is synthesized through a facile ball-milling combined calcination method. Benefiting from the mesoporous structure and highly conductive carbon, the M-NFPF@C material exhibits a high reversible capacity of 114 mAh g-1 at 0.1 C, excellent rate capability (42 mAh g-1 at 10 C), and good cycling performance (55% retention after 600 cycles at 5 C). The high plateau capacity obtained (>90% of total capacity) not only shows high electrochemical reversibility of the as-prepared M-NFPF@C but also provides high energy density, which mainly originates from its mesoporous structure derived from the mesoporous FePO4 precursor. The M-NFPF@C serves as a promising cathode material with high performance and low cost for sodium-ion batteries.
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Affiliation(s)
- Jiexin Zhang
- College of Chemistry and Molecular Sciences, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University, Wuhan, 430072, China
| | - Xi Zhou
- College of Chemistry and Molecular Sciences, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University, Wuhan, 430072, China
| | - Yunxiao Wang
- College of Chemistry and Molecular Sciences, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University, Wuhan, 430072, China
| | - Jiangfeng Qian
- College of Chemistry and Molecular Sciences, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University, Wuhan, 430072, China
| | - Faping Zhong
- National Engineering Research Center of Advanced Energy Storage Materials, Changsha, 410205, China
| | - Xiangming Feng
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Weihua Chen
- College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Xinping Ai
- College of Chemistry and Molecular Sciences, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University, Wuhan, 430072, China
| | - Hanxi Yang
- College of Chemistry and Molecular Sciences, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University, Wuhan, 430072, China
| | - Yuliang Cao
- College of Chemistry and Molecular Sciences, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University, Wuhan, 430072, China
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Isomura N, Takahashi N, Kosaka S, Kawaura H. Thickness of carbon coatings on silicon materials determined by hard X-ray photoelectron spectroscopy at multiple photon energies. J Synchrotron Radiat 2019; 26:1936-1939. [PMID: 31721737 DOI: 10.1107/s1600577519010981] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 08/06/2019] [Indexed: 06/10/2023]
Abstract
Hard X-ray photoelectron spectroscopy at multiple photon energies is used to investigate the surface structure of carbon coatings on silicon materials destined for use as negative electrodes in lithium-ion batteries. The photoelectron intensity from the carbon coatings decreases with an increase in the kinetic energy of the photoelectron. By fitting the photoelectron intensity versus energy to numerically derived curves, the thickness and coverage of the carbon coatings can be obtained. The results are in agreement with the values suggested by the cross-sectional secondary-electron microscopy images of the carbon coatings, although the thickness should be corrected by accounting for the rectangular parallelepiped structure of the silicon material.
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Affiliation(s)
- Noritake Isomura
- Toyota Central R&D Laboratories, Inc., 41-1 Yokomichi, Nagakute, Aichi 480-1192, Japan
| | - Naoko Takahashi
- Toyota Central R&D Laboratories, Inc., 41-1 Yokomichi, Nagakute, Aichi 480-1192, Japan
| | - Satoru Kosaka
- Toyota Central R&D Laboratories, Inc., 41-1 Yokomichi, Nagakute, Aichi 480-1192, Japan
| | - Hiroyuki Kawaura
- Toyota Central R&D Laboratories, Inc., 41-1 Yokomichi, Nagakute, Aichi 480-1192, Japan
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Li Z, Meng F, Ding H, Wang W, Liu Q. Preparation and Tribological Properties of Carbon-Coated WS 2 Nanosheets. Materials (Basel) 2019; 12:E2835. [PMID: 31484382 DOI: 10.3390/ma12172835] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/19/2019] [Accepted: 08/29/2019] [Indexed: 11/16/2022]
Abstract
WS2-C is produced from a hydrothermal reaction, in which WS2 nano-sheets are coated with carbon, using glucose as the carbon source. In order to investigate the tribological properties of WS2-C as a lubricant additive, WS2-C was modified by surfactant Span80, and friction tests were carried out on an MRS-10A four-ball friction and wear tester. The results show that Span80 can promote the dispersibility of WS2-C effectively in base oil. Adding an appropriate concentration of WS2-C can improve the anti-wear and anti-friction performance of the base oil. The friction coefficient reached its lowest point upon adding 0.1 wt % WS2-C, reduced by 16.7% compared to the base oil. Meanwhile, the wear scar diameter reached its minimum with 0.15 wt % WS2, decreasing by 26.45%. Moreover, at this concentration, the depth and width of the groove and the surface roughness on the wear scar achieved their minimum. It is concluded that WS2-C dispersed in oil could enter friction pairs to avoid their direct contact, thereby effectively reducing friction and wear. At the same time, WS2-C reacts with the friction matrix material to form a protective film, composed of C, Fe2O3, FeSO4, WO3, and WS2, repairing the worn surface.
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Zhao Z, Tian G, Sarapulova A, Melinte G, Gómez-Urbano JL, Li C, Liu S, Welter E, Etter M, Dsoke S. Mechanism Study of Carbon Coating Effects on Conversion-Type Anode Materials in Lithium-Ion Batteries: Case Study of ZnMn 2O 4 and ZnO-MnO Composites. ACS Appl Mater Interfaces 2019; 11:29888-29900. [PMID: 31368681 DOI: 10.1021/acsami.9b08539] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The carbon coating strategy is intensively used in the modification of conversion-type anode materials to improve their cycling stability and rate capability. Thus, it is necessary to elucidate the modification mechanism induced by carbon coating. For this purpose, bare ZnMn2O4, carbon-derivative-coated ZnMn2O4, and carbon-coated ZnO-MnO composite materials have been synthesized and investigated in-depth. Herein, high-temperature synchrotron radiation diffraction is used to monitor the phase transition from ZnMn2O4 to ZnO-MnO composite during the carbonization process. The electrochemical performance has been evaluated by cyclic voltammetry, galvanostatic cycling, and electrochemical impedance spectroscopy. The carbon- and carbon-derivative-coated samples display well-improved cycling stability in terms of suppressed electrode polarization, a moderate increase in resistance, and slight capacity variation. The influence of carbon coating on the intrinsic conversion process is investigated by ex situ X-ray absorption spectroscopy, which reveals the evolution of Zn and Mn oxidation states. This result confirms that the strong capacity variation of the bare ZnMn2O4 is induced not only by the reversible charge storage in the solid electrolyte interphase but also by the phase evolution of active materials. Carbon coating is an effective method to prevent the additional oxidation of MnO to Mn3O4, which leads to a stabilization of the main conversion reaction.
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Affiliation(s)
| | | | | | | | | | | | - Suya Liu
- International Center for New-Structured Materials (ICNSM) , Zhejiang University (ZJU) , Zheda Road 38 , 310027 Hangzhou , P. R. China
| | - Edmund Welter
- Deutsches Elektronen-Synchrotron DESY , Notkestrasse 85 , D-22607 Hamburg , Germany
| | - Martin Etter
- Deutsches Elektronen-Synchrotron DESY , Notkestrasse 85 , D-22607 Hamburg , Germany
| | - Sonia Dsoke
- Helmholtz-Institute Ulm for Electrochemical Energy Storage (HIU) , Helmholtzstrasse 11 , 89081 Ulm , Germany
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Su L, Han D, Zhu G, Xu H, Luo W, Wang L, Jiang W, Dong A, Yang J. Tailoring the Assembly of Iron Nanoparticles in Carbon Microspheres toward High-Performance Electrocatalytic Denitrification. Nano Lett 2019; 19:5423-5430. [PMID: 31347853 DOI: 10.1021/acs.nanolett.9b01925] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Electrocatalytic denitrification is considered as the most promising technology to transform nitrates to nitrogen gas in sewage so far. Although noble metal-based catalysts as a cathode material have reached decent removal capacity of nitrate, the high cost is the main hamper of electrocatalytic reduction. Therefore, the development of alternative catalysis toward highly effective denitrification is imperative yet still remains a significant challenge. Herein, a corchorifolius-like structure, where Fe nanoparticles are sealed in carbon microspheres (CL-Fe@C) with a rough surface, has been elaborately designed by self-assemble strategy. Impressively, the architectured CL-Fe@C microspheres are surrounded with a lot of small iron nanoparticles and contain the high iron content of ∼74%. As a result, an excellent removal capacity of 1816 mg N/g Fe and a high nitrogen selectivity of 98% under a very low nitrate concentration of 100 mg/L are achieved when using the CL-Fe@C microspheres as electrocatalytic denitrification. The present work not only explores high performance electrocatalysis for the denitrification but also promote new inspiration for the preparation of other iron-based functional materials for diverse applications.
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Affiliation(s)
- Li Su
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering , Donghua University , Shanghai 201620 , China
| | - Dandan Han
- Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, and Department of Chemistry , Fudan University , Shanghai 200433 , China
| | - Guanjia Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering , Donghua University , Shanghai 201620 , China
| | - Hui Xu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering , Donghua University , Shanghai 201620 , China
| | - Wei Luo
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering , Donghua University , Shanghai 201620 , China
| | - Lianjun Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering , Donghua University , Shanghai 201620 , China
| | - Wan Jiang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering , Donghua University , Shanghai 201620 , China
| | - Angang Dong
- Collaborative Innovation Center of Chemistry for Energy Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, and Department of Chemistry , Fudan University , Shanghai 200433 , China
| | - Jianping Yang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering , Donghua University , Shanghai 201620 , China
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