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Lv H, Zhou L, Fang Q, Cheng J, Mei J, Xia Y, Wang B. In Situ Characterizations of the Dynamics of Cathode Electrolyte Interfaces at Different Current Densities. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2312204. [PMID: 38804909 DOI: 10.1002/smll.202312204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 04/11/2024] [Indexed: 05/29/2024]
Abstract
LiNi0.8Mn0.1Co0.1O2 with high nickel content plays a critical role in enabling lithium metal batteries (LMBs) to achieve high specific energy density, making them a prominent choice for electric vehicles (EVs). However, ensuring the long-term cycling stability of the cathode electrolyte interfaces (CEIs), particularly at fast-charge conditions, remains an unsolved challenge. The decay mechanism associated with CEIs and electrolytes in LMB at high current densities is still not fully understood. To address this issue, in situ Fourier transform infrared (FTIR) is employed to observe the dynamic process of formation/disappearance/regeneration of CEIs during charge and discharge cycles. These dynamic processes further exacerbate the instability of CEIs as current density increases, leading to rupture and dissolution of CEIs and subsequent deterioration in battery performance because of continuous electrolyte reactions. Additionally, the dynamic changes occurring within individual components of CEIs at different cycling stages and various current densities are also discussed. The results demonstrate that excellent capacity retention at small current density is attributed to enrichment of inorganic compounds (Li2CO3, LiF, etc.) and rendering better stability and smaller expansion of CEIs. The key to achieving excellent electrochemical performance at high current densities lies on protecting CEIs, mainly inorganic components.
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Affiliation(s)
- Huanzhu Lv
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu, 611731, China
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313001, China
| | - Lei Zhou
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu, 611731, China
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313001, China
| | - Qisheng Fang
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu, 611731, China
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313001, China
| | - Jianli Cheng
- Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu, 610200, China
| | - Jun Mei
- Chengdu Development Center of Science and Technology, China Academy of Engineering Physics, Chengdu, 610200, China
| | - Yuanhua Xia
- Key Laboratory of Neutron Physics and Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics (CAEP), Mianyang, 621999, China
| | - Bin Wang
- Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu, 611731, China
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313001, China
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2
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Yang C, Liu Z, Su Z, Wang Y, Feng Y, Luo J, Liang M, Fan H, Bandosz TJ. Regulating the spatial arrangement of CuO and MgO within activated carbon matrix to maximize their room temperature H 2S removal. J Colloid Interface Sci 2024; 661:897-907. [PMID: 38330662 DOI: 10.1016/j.jcis.2024.01.216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 01/27/2024] [Accepted: 01/31/2024] [Indexed: 02/10/2024]
Abstract
Adsorbents with dual-component active phases have attracted much attention owing to their potential application in synergistic H2S removal. The influence of spatial arrangements of two components within a support matrix on their desulfurization performance was investigated through regulating the mutual arrangements of CuO and MgO on an activated carbon surface. Their spatial locations were found to remarkably affect interfacial interactions, local pH, the conductivity of adsorbents, and electronic structure of copper oxide. A close contact of CuO with the carbon surface led to strong interactions of both components, inhibiting the reduction of CuO and decreasing its reactivity with H2S. On the other hand, a proximity of MgO to the carbon surface increased local pH, promoting the oxidation of H2S into elemental S, instead of sulfates. Cu+ in the copper oxide phase increased the desulfurization performance due to its ability to activate oxygen and to accelerate a lattice diffusion. Enhanced surface conductivity due to the interfacial interactions improved the desulfurization efficiency and favored the formation of elemental S through promoting an electron transfer in redox reactions.
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Affiliation(s)
- Chao Yang
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China; Shanxi Academy of Eco-Environmental Planning and Technology, Taiyuan 030024, Shanxi, China; Shanxi Key Laboratory of Compound Air Pollutions Identification and Control, Taiyuan University of Technology, Taiyuan 030024, PR China.
| | - Zhilong Liu
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Zhelin Su
- State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
| | - Yeshuang Wang
- State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
| | - Yu Feng
- State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
| | - Jinhong Luo
- Shanxi Academy of Eco-Environmental Planning and Technology, Taiyuan 030024, Shanxi, China
| | - Meisheng Liang
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China; Shanxi Key Laboratory of Compound Air Pollutions Identification and Control, Taiyuan University of Technology, Taiyuan 030024, PR China
| | - Huiling Fan
- State Key Laboratory of Clean and Efficient Coal Utilization, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China
| | - Teresa J Bandosz
- Department of Chemistry and Biochemistry, The City College of New York, 160 Convent Avenue, New York, NY 10031, United States.
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Shi J, Huang T, Wu R, Wu J, Li Y, Kuang Y, Xing H, Zhang W. Direct carbonization of cellulose toward hydroxyl-rich porous carbons for pseudocapacitive energy storage. Int J Biol Macromol 2024; 264:130460. [PMID: 38437937 DOI: 10.1016/j.ijbiomac.2024.130460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 02/16/2024] [Accepted: 02/24/2024] [Indexed: 03/06/2024]
Abstract
Designing carbon materials with specific oxygen-containing functional groups is very attractive for the precise decoration of carbon electrode materials and the basic understanding of specific charge storage mechanisms, which contributes to the further development of high-performance carbon materials for energy storage and conversion applications. In this contribution, a hydroxyl-rich micropore-dominated porous carbon material was obtained by direct carbonization of cellulose. The content of oxygen atoms in hydroxyl form in the obtained carbon is nearly 6 at.%. With the pyrolysis temperature changed, the macroscopic morphology, the specific surface area, surface functional groups, and graphitization degree of the carbon materials were changed strongly. Besides, the carbon material obtained with a carbonization temperature of 900 °C (C9) showed enhanced specific capacitance in sulfuric acid, sodium hydroxide, and sodium sulfate aqueous electrolytes, which mainly originates from the contribution of pseudocapacitance. The pseudocapacitance mainly depends on the presence of surface hydroxyl functional groups. Besides, the pseudocapacitance value of C9 material in neutral electrolytes (151.34 F g-1) is about twice that in acidic (75.9 F g-1) and alkaline (75.78 F g-1) electrolytes.
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Affiliation(s)
- Jun Shi
- School of Applied Chemistry and Materials, Zhuhai College of Science and Technology, Zhuhai 519040, PR China; Faculty of Comprehensive Health Industry, Zhuhai College of Science and Technology, Zhuhai 519040, PR China
| | - Tao Huang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), Guangzhou 510006, PR China
| | - Ruoyu Wu
- School of Applied Chemistry and Materials, Zhuhai College of Science and Technology, Zhuhai 519040, PR China
| | - Jiani Wu
- School of Applied Chemistry and Materials, Zhuhai College of Science and Technology, Zhuhai 519040, PR China
| | - Yulong Li
- School of Pharmacy and Food Science, Zhuhai College of Science and Technology, Zhuhai 519040, PR China
| | - Yongxi Kuang
- School of Pharmacy and Food Science, Zhuhai College of Science and Technology, Zhuhai 519040, PR China
| | - Hongmei Xing
- School of Applied Chemistry and Materials, Zhuhai College of Science and Technology, Zhuhai 519040, PR China; Faculty of Comprehensive Health Industry, Zhuhai College of Science and Technology, Zhuhai 519040, PR China.
| | - Wenli Zhang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology (GDUT), Guangzhou 510006, PR China; Guangdong Provincial Laboratory of Chemistry and Fine Chemical Engineering Jieyang Center, Jieyang 515200, China.
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4
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Hu H, Yan M, Jiang J, Huang A, Cai S, Lan L, Ye K, Chen D, Tang K, Zuo Q, Zeng Y, Tang W, Fu J, Jiang C, Wang Y, Yan Z, He X, Qiao L, Zhao Y. A state-of-the-art review on biomass-derived carbon materials for supercapacitor applications: From precursor selection to design optimization. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169141. [PMID: 38072258 DOI: 10.1016/j.scitotenv.2023.169141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 11/22/2023] [Accepted: 12/04/2023] [Indexed: 12/27/2023]
Abstract
Biomass-derived carbon materials have the characteristics of a wide range of precursor sources, controllable carbon nano-dimension, large specific surface area and abundant heteroatoms doping. At present, biomass-derived carbon materials have been widely used in electrochemical energy storage devices, especially the research and development of biomass-derived carbon materials for supercapacitors has become mature and in-depth. Therefore, it is of importance to summarize the advanced technologies and strategies for optimizing biomass-derived carbon materials for supercapacitors, which will effectively promote the further development of high-performance supercapacitors. In this review, the recent research progress of biomass-derived carbon materials is provided in detail, including the selection of biomass precursors, the design of carbon nano-dimension and the theory of heteroatom doping. Besides, the preparation methods of biomass-derived carbon materials and the related processes of optimizing the electrochemical performance are also summarized. This review ends with the perspectives for future research directions and challenges in the field of biomass-derived carbon materials for electrochemical applications. This review aims to provide helpful reference information for the nano-dimensional design and electrochemical performance optimization of biomass-derived carbon materials for the practical application of supercapacitors.
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Affiliation(s)
- Hengyuan Hu
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Minglei Yan
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China.
| | - Jietao Jiang
- Key Laboratory of Mesoscopic Chemistry of MOE and Jiangsu Provincial Lab for Nanotechnology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China.
| | - Ankui Huang
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Sicheng Cai
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Linxuan Lan
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Kewei Ye
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Danlei Chen
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Kewen Tang
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Qin Zuo
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Yun Zeng
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Wei Tang
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Junheng Fu
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Chenglu Jiang
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China
| | - Yong Wang
- School of Physics, University of Electronic Science and Technology of China, Chengdu 610054, China.
| | - Zhenhua Yan
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China
| | - Xi He
- Shaanxi Joint Laboratory of Artificial Intelligence, Shaanxi University of Science and Technology, Xi'an 710021, China
| | - Liang Qiao
- School of Physics, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Yang Zhao
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an 625014, China.
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Hossain MS, Kabir MH, Ali Shaikh MA, Haque MA, Yasmin S. Ultrafast and simultaneous removal of four tetracyclines from aqueous solutions using waste material-derived graphene oxide-supported cobalt-iron magnetic nanocomposites. RSC Adv 2024; 14:1431-1444. [PMID: 38174255 PMCID: PMC10763703 DOI: 10.1039/d3ra07597d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 12/12/2023] [Indexed: 01/05/2024] Open
Abstract
In this work, a graphene oxide-supported cobalt-iron oxide (GO/Co-Fe) magnetic nanocomposite was successfully synthesized using waste dry cells for the efficient and simultaneous removal of tetracycline (TC), chlortetracycline (CTC), oxytetracycline (OTC), and doxycycline (DTC) from aqueous solutions. The GO/Co-Fe nanocomposite was thoroughly characterized using Fourier transform infrared spectroscopy, vibrating sample magnetometry, X-ray diffraction, field emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, and zeta potential analysis. This multi-faceted characterization provided clean insights into the composition and properties of the synthesized nanocomposite. The adsorption of tetracyclines (TCs) was systematically investigated by assessing the influence of critical factors, such as adsorbent dosage, contact duration, initial pH of the solution, initial concentration, and temperature. The GO/Co-Fe adsorbent showed high removal efficiencies of 94.1% TC, 94.32% CTC, 94.22% OTC, and 96.94% DTC within 30 s contact period. The maximum removal efficiency of TCs was found at a low adsorbent dose of 0.15 g L-1. Notably, this superior removal efficiency was achieved at neutral pH and room temperature, demonstrating the adsorbent's efficacy under environmentally viable conditions. The kinetic studies demonstrated that the adsorption process was fitted satisfactorily with the pseudo-second-order model. Additionally, the adsorption behaviour of TCs on the GO/Co-Fe adsorbent was assessed by isotherm models, Langmuir and Freundlich. The experimental data followed the Langmuir isotherm, signifying a monolayer adsorption mechanism on the surface of the adsorbent. The adsorption capacities (qm) of GO/Co-Fe for TC, CTC, OTC and DTC were determined to be 64.10, 71.43, 72.46 and 99.01 mg g-1, respectively. Importantly, the GO/Co-Fe adsorbent showed reusability capabilities. The super magnetic properties of GO/Co-Fe made it easy to use for several cycles. These results clearly establish GO/Co-Fe as an exceptionally effective adsorbent for the removal of TCs from aqueous systems, highlighting its great potentiality in water treatment applications.
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Affiliation(s)
- Md Sohag Hossain
- Institute of National Analytical Research and Service (INARS), Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhanmondi Dhaka-1205 Bangladesh
- Department of Chemistry, University of Dhaka Dhaka 1000 Bangladesh
| | - Md Humayun Kabir
- Institute of National Analytical Research and Service (INARS), Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhanmondi Dhaka-1205 Bangladesh
| | - Md Aftab Ali Shaikh
- Institute of National Analytical Research and Service (INARS), Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhanmondi Dhaka-1205 Bangladesh
- Department of Chemistry, University of Dhaka Dhaka 1000 Bangladesh
| | - Md Anamul Haque
- Department of Chemistry, University of Dhaka Dhaka 1000 Bangladesh
| | - Sabina Yasmin
- Institute of National Analytical Research and Service (INARS), Bangladesh Council of Scientific and Industrial Research (BCSIR) Dhanmondi Dhaka-1205 Bangladesh
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He Y, Zhao Z, Wang T, An L, Zhang L. Carbon-based materials as efficient adsorbents for the removal of antibiotics: The real contributions of carbon edge sites. CHEMOSPHERE 2023; 344:140341. [PMID: 37778643 DOI: 10.1016/j.chemosphere.2023.140341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/12/2023] [Accepted: 09/28/2023] [Indexed: 10/03/2023]
Abstract
Disclosing the effect of edge defects in carbon-based materials on antibiotic removal remains a great challenge. In this study, carbon-based adsorbents (DC-s) with different degrees of edge defects were synthesized on a large scale via a direct calcination of sodium citrate (SC) and their adsorption performance to antibiotics were explored. The experimental results suggested that the edge defects of DC-s samples were the active sites for the adsorption of tetracycline (TC) and norfloxacin (NOR). The adsorption capacity of the optimal sample DC-900 for TC and NOR was 155.8 and 168.0 mg g-1, respectively. Density functional theory (DFT) calculations further revealed that zigzag edge defects rather than armchair edge defects were crucial to the excellent adsorption performance of DC-s samples for antibiotics, and the natures for the difference in the adsorption performance of the two edge defects for antibiotics were their different electronic structures. In addition, DC-900 also showed stable adsorption efficiency for antibiotics in the interferences, dynamic adsorption, and cycle experiments, suggesting its good environmental application potential. This study provides new insight into clarifying the natures of edge defects with carbon-based adsorbents for high-efficiency removal of antibiotics, which may guide the exploration of cost-effective carbon-based adsorbents.
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Affiliation(s)
- Yujie He
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China; State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Zhongjing Zhao
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China
| | - Tao Wang
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China.
| | - Lichao An
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
| | - Lu Zhang
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing, 210008, China.
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Oxygen functional groups modified amorphous hollow carbon bowls for pseudocapacitive Zn-ion storage. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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8
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Wu J, Liao C, Li T, Zhou J, Zhang L, Wang JQ, Li G, Li X. Metal-coordinated polybenzimidazole membranes with preferential K + transport. Nat Commun 2023; 14:1149. [PMID: 36854779 PMCID: PMC9975182 DOI: 10.1038/s41467-023-36711-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 02/08/2023] [Indexed: 03/02/2023] Open
Abstract
Membranes with fast and selective ion transport are essential for separations and electrochemical energy conversion and storage devices. Metal-coordinated polymers are promising for fabricating ion-conducting membranes with molecular channels, however, the structures and ion transport channels remain poorly understood. Here, we reported mechanistic insights into the structures of metal-ion coordinated polybenzimidazole membranes and the preferential K+ transport. Molecular dynamics simulations suggested that coordination between metal ions and polybenzimidazole expanded the free volume, forming subnanometre molecular channels. The combined physical confinement in nanosized channels and electrostatic interactions of membranes resulted in a high K+ transference number up to 0.9 even in concentrated salt and alkaline solutions. The zinc-coordinated polybenzimidazole membrane enabled fast transport of charge carriers as well as suppressed water migration in an alkaline zinc-iron flow battery, enabling the battery to operate stably for over 340 hours. This study provided an alternative strategy to regulate the ion transport properties of polymer membranes by tuning polymer chain architectures via metal ion coordination.
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Affiliation(s)
- Jine Wu
- grid.9227.e0000000119573309Division of Energy Storage, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023 China ,grid.410726.60000 0004 1797 8419University of Chinese Academy of Sciences, 100049 Beijing, China
| | - Chenyi Liao
- grid.9227.e0000000119573309Laboratory of Molecular Modeling and Design, State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023 China
| | - Tianyu Li
- grid.9227.e0000000119573309Division of Energy Storage, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023 China
| | - Jing Zhou
- grid.9227.e0000000119573309Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800 China
| | - Linjuan Zhang
- grid.9227.e0000000119573309Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800 China
| | - Jian-Qiang Wang
- grid.9227.e0000000119573309Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201800 China
| | - Guohui Li
- Laboratory of Molecular Modeling and Design, State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
| | - Xianfeng Li
- Division of Energy Storage, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
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Reis GSD, Petnikota S, Subramaniyam CM, de Oliveira HP, Larsson S, Thyrel M, Lassi U, García Alvarado F. Sustainable Biomass-Derived Carbon Electrodes for Potassium and Aluminum Batteries: Conceptualizing the Key Parameters for Improved Performance. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:765. [PMID: 36839133 PMCID: PMC9959877 DOI: 10.3390/nano13040765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 02/13/2023] [Accepted: 02/16/2023] [Indexed: 06/18/2023]
Abstract
The development of sustainable, safe, low-cost, high energy and density power-density energy storage devices is most needed to electrify our modern needs to reach a carbon-neutral society by ~2050. Batteries are the backbones of future sustainable energy sources for both stationary off-grid and mobile plug-in electric vehicle applications. Biomass-derived carbon materials are extensively researched as efficient and sustainable electrode/anode candidates for lithium/sodium-ion chemistries due to their well-developed tailored textures (closed pores and defects) and large microcrystalline interlayer spacing and therefore opens-up their potential applications in sustainable potassium and aluminum batteries. The main purpose of this perspective is to brief the use of biomass residues for the preparation of carbon electrodes for potassium and aluminum batteries annexed to the biomass-derived carbon physicochemical structures and their aligned electrochemical properties. In addition, we presented an outlook as well as some challenges faced in this promising area of research. We believe that this review enlightens the readers with useful insights and a reasonable understanding of issues and challenges faced in the preparation, physicochemical properties and application of biomass-derived carbon materials as anodes and cathode candidates for potassium and aluminum batteries, respectively. In addition, this review can further help material scientists to seek out novel electrode materials from different types of biomasses, which opens up new avenues in the fabrication/development of next-generation sustainable and high-energy density batteries.
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Affiliation(s)
- Glaydson Simões Dos Reis
- Biomass Technology Centre, Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, SE-901 83 Umeå, Sweden
| | - Shaikshavali Petnikota
- Biomass Technology Centre, Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, SE-901 83 Umeå, Sweden
| | - Chandrasekar M. Subramaniyam
- Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28668 Madrid, Spain
| | - Helinando Pequeno de Oliveira
- Institute of Materials Science, Universidade Federal do Vale do São Francisco, Avenue Antônio Carlos Magalhães, 510-Santo Antônio CEP, Juazeiro 48902-300, BA, Brazil
| | - Sylvia Larsson
- Biomass Technology Centre, Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, SE-901 83 Umeå, Sweden
| | - Mikael Thyrel
- Biomass Technology Centre, Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, SE-901 83 Umeå, Sweden
| | - Ulla Lassi
- Research Unit of Sustainable Chemistry, University of Oulu, P.O. Box 3000, FI-90014 Oulu, Finland
- Unit of Applied Chemistry, University of Jyvaskyla, Kokkola University Consortium Chydenius, Talonpojankatu 2B, FI-67100 Kokkola, Finland
| | - Flaviano García Alvarado
- Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28668 Madrid, Spain
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10
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Yuan F, Shi C, Li Y, Wang J, Zhang D, Wang W, Wang Q, Wang H, Li Z, Wang B. Rationally Tailoring Superstructured Hexahedron Composed of Defective Graphitic Nanosheets and Macropores: Realizing Durable and Fast Potassium Storage. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205234. [PMID: 36424184 PMCID: PMC9875633 DOI: 10.1002/advs.202205234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/22/2022] [Indexed: 06/16/2023]
Abstract
Multipores engineering composed of micro/mesopores is an effective strategy to improve potassium storage performance via providing enormous adsorption sites and shortened ions diffusion distance. However, a detailed exploration of the role played by macropores in potassium storage is still lacking and has been barely reported until now. Herein, a superstructure carbon hexahedron (DGN-900) is synthesized using poly tannic acid (PTA) as precursor. Due to the spatially confined two-step local contraction of PTA along different directions and dimensions during pyrolysis, defective nanosheets with macropores are formed, while realizing a balance between defects content and graphitization degree by regulating temperature. The presence of macropores is conducive to accelerating electrolyte ions rapid infiltration within electrode, and its pore volume can accommodate electrode structure fluctuation upon cycling, while the most suitable ratio of defects to graphitic provides rich ions adsorption sites and sufficient electrons transfer channels, simultaneously. These advantages enable a prominent electrochemical performance in DGN-900 electrode, including high rate (202.9 mAh g-1 at 2 A g-1 ) and long cycling stability over 2000 cycles. This unique fabrication strategy, that is, defects engineering coupled with macropores structure, makes fast and durable potassium storage possible.
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Affiliation(s)
- Fei Yuan
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Conghao Shi
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Yanan Li
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Jian Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Di Zhang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Wei Wang
- School of Metallurgical and Ecological EngineeringUniversity of Science and Technology BeijingBeijing100083China
| | - Qiujun Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Huan Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Zhaojin Li
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Bo Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
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11
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Wang F, Zhang T, Ran F. Insights into Sodium-Ion Batteries Through Plateau and Slope Regions in Cyclic Voltammetry by Tailoring Bacterial Cellulose Precursors. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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12
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Abbas G, Zafar ZA, Sonia FJ, Knížek K, Houdková J, Jiříček P, Kalbáč M, Červenka J, Frank O. The Effects of Ultrasound Treatment of Graphite on the Reversibility of the (De)Intercalation of an Anion from Aqueous Electrolyte Solution. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3932. [PMID: 36432218 PMCID: PMC9693535 DOI: 10.3390/nano12223932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
Low cycling stability is one of the most crucial issues in rechargeable batteries. Herein, we study the effects of a simple ultrasound treatment of graphite for the reversible (de)intercalation of a ClO4- anion from a 2.4 M Al(ClO4)3 aqueous solution. We demonstrate that the ultrasound-treated graphite offers the improved reversibility of the ClO4- anion (de)intercalation compared with the untreated samples. The ex situ and in situ Raman spectroelectrochemistry and X-ray diffraction analysis of the ultrasound-treated materials shows no change in the interlayer spacing, a mild increase in the stacking order, and a large increase in the amount of defects in the lattice accompanied by a decrease in the lateral crystallite size. The smaller flakes of the ultrasonicated natural graphite facilitate the improved reversibility of the ClO4- anion electrochemical (de)intercalation and a more stable electrochemical performance with a cycle life of over 300 cycles.
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Affiliation(s)
- Ghulam Abbas
- J. Heyrovsky Institute of Physical Chemistry, Czech Academy of Sciences, Dolejskova 2155/3, 183 23 Prague, Czech Republic
- Department of Physical Chemistry and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 43 Prague, Czech Republic
| | - Zahid Ali Zafar
- Department of Physical Chemistry and Macromolecular Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 128 43 Prague, Czech Republic
- FZU—Institute of Physics of the Czech Academy of Sciences, Cukrovarnicka 10/112, 162 00 Prague, Czech Republic
| | - Farjana J. Sonia
- J. Heyrovsky Institute of Physical Chemistry, Czech Academy of Sciences, Dolejskova 2155/3, 183 23 Prague, Czech Republic
| | - Karel Knížek
- FZU—Institute of Physics of the Czech Academy of Sciences, Cukrovarnicka 10/112, 162 00 Prague, Czech Republic
| | - Jana Houdková
- FZU—Institute of Physics of the Czech Academy of Sciences, Cukrovarnicka 10/112, 162 00 Prague, Czech Republic
| | - Petr Jiříček
- FZU—Institute of Physics of the Czech Academy of Sciences, Cukrovarnicka 10/112, 162 00 Prague, Czech Republic
| | - Martin Kalbáč
- J. Heyrovsky Institute of Physical Chemistry, Czech Academy of Sciences, Dolejskova 2155/3, 183 23 Prague, Czech Republic
| | - Jiří Červenka
- FZU—Institute of Physics of the Czech Academy of Sciences, Cukrovarnicka 10/112, 162 00 Prague, Czech Republic
| | - Otakar Frank
- J. Heyrovsky Institute of Physical Chemistry, Czech Academy of Sciences, Dolejskova 2155/3, 183 23 Prague, Czech Republic
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13
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Dou S, Tian Q, Liu T, Xu J, Jing L, Zeng C, Yuan Q, Xu Y, Jia Z, Cai Q, Liu WD, Silva SRP, Chen Y, Liu J. Stress‐Regulation Design of Mesoporous Carbon Spheres Anodes with Radial Pore Channels Toward Ultrastable Potassium‐Ion Batteries. SMALL SCIENCE 2022. [DOI: 10.1002/smsc.202200045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Shuming Dou
- School of Materials Science and Engineering Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education Tianjin Key Laboratory of Composite and Functional Materials Tianjin University Tianjin 300072 China
- School of Materials Science and Engineering Harbin Institute of Technology (Shenzhen) Shenzhen 518055 China
| | - Qiang Tian
- Dalian National Laboratory for Clean Energy State Key Laboratory of Catalysis Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian 116023 China
| | - Tao Liu
- Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province Center for X-Mechanics, Department of Engineering Mechanics Zhejiang University Hangzhou 310027 China
| | - Jie Xu
- School of Materials Science and Engineering Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education Tianjin Key Laboratory of Composite and Functional Materials Tianjin University Tianjin 300072 China
| | - Lingyan Jing
- Dalian National Laboratory for Clean Energy State Key Laboratory of Catalysis Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian 116023 China
| | - Cuihua Zeng
- School of Materials Science and Engineering Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education Tianjin Key Laboratory of Composite and Functional Materials Tianjin University Tianjin 300072 China
| | - Qunhui Yuan
- School of Materials Science and Engineering Harbin Institute of Technology (Shenzhen) Shenzhen 518055 China
| | - Yunhua Xu
- School of Materials Science and Engineering Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education Tianjin Key Laboratory of Composite and Functional Materials Tianjin University Tianjin 300072 China
| | - Zheng Jia
- Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province Center for X-Mechanics, Department of Engineering Mechanics Zhejiang University Hangzhou 310027 China
| | - Qiong Cai
- DICP-Surrey Joint Centre for Future Materials Department of Chemical and Process Engineering Advanced Technology Institute University of Surrey Guilford Surrey GU2 7XH UK
| | - Wei-Di Liu
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland St Lucia Brisbane Queensland 4072 Australia
| | - S. Ravi P. Silva
- DICP-Surrey Joint Centre for Future Materials Department of Chemical and Process Engineering Advanced Technology Institute University of Surrey Guilford Surrey GU2 7XH UK
| | - Yanan Chen
- School of Materials Science and Engineering Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education Tianjin Key Laboratory of Composite and Functional Materials Tianjin University Tianjin 300072 China
| | - Jian Liu
- Dalian National Laboratory for Clean Energy State Key Laboratory of Catalysis Dalian Institute of Chemical Physics, Chinese Academy of Sciences Dalian 116023 China
- DICP-Surrey Joint Centre for Future Materials Department of Chemical and Process Engineering Advanced Technology Institute University of Surrey Guilford Surrey GU2 7XH UK
- Australian Institute for Bioengineering and Nanotechnology The University of Queensland St Lucia Brisbane Queensland 4072 Australia
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14
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Cheng N, Zhou W, Liu J, Liu Z, Lu B. Reversible Oxygen-Rich Functional Groups Grafted 3D Honeycomb-Like Carbon Anode for Super-Long Potassium Ion Batteries. NANO-MICRO LETTERS 2022; 14:146. [PMID: 35861905 PMCID: PMC9304482 DOI: 10.1007/s40820-022-00892-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 06/14/2022] [Indexed: 05/28/2023]
Abstract
Studies have found that oxygen-rich-containing functional groups in carbon-based materials can be used as active sites for the storage performance of K+, but the basic storage mechanism is still unclear. Herein, we construct and optimize 3D honeycomb-like carbon grafted with plentiful COOH/C = O functional groups (OFGC) as anodes for potassium ion batteries. The OFGC electrode with steady structure and rich functional groups can effectively contribute to the capacity enhancement and the formation of stable solid electrolyte interphase (SEI) film, achieving a high reversible capacity of 230 mAh g-1 at 3000 mA g-1 after 10,000 cycles (almost no capacity decay) and an ultra-long cycle time over 18 months at 100 mA g-1. The study results revealed the reversible storage mechanism between K+ and COOH/C = O functional groups by forming C-O-K compounds. Meanwhile, the in situ electrochemical impedance spectroscopy proved the highly reversible and rapid de/intercalation kinetics of K+ in the OFGC electrode, and the growth process of SEI films. In particular, the full cells assembled by Prussian blue cathode exhibit a high energy density of 113 Wh kg-1 after 800 cycles (calculated by the total mass of anode and cathode), and get the light-emitting diodes lamp and ear thermometer running.
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Affiliation(s)
- Na Cheng
- School of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, People's Republic of China
| | - Wang Zhou
- School of Materials Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China
| | - Jilei Liu
- School of Materials Science and Engineering, Hunan University, Changsha, 410082, People's Republic of China.
| | - Zhigang Liu
- School of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, People's Republic of China.
| | - Bingan Lu
- School of Physics and Electronics, Hunan University, Changsha, 410082, People's Republic of China
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15
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Yuan F, Li Z, Zhang D, Wang Q, Wang H, Sun H, Yu Q, Wang W, Wang B. Fundamental Understanding and Research Progress on the Interfacial Behaviors for Potassium-Ion Battery Anode. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2200683. [PMID: 35532334 PMCID: PMC9284147 DOI: 10.1002/advs.202200683] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/05/2022] [Indexed: 05/05/2023]
Abstract
Potassium-ion batteries (PIBs) exhibit a considerable application prospect for energy storage systems due to their low cost, high operating voltage, and superior ionic conductivity. As a vital configuration in PIBs, the two-phase interface, which refers to K-ion diffusion from the electrolyte to the electrode surface (solid-liquid interface) and K-ion migration between different particles (solid-solid interface), deeply determines the diffusion/reaction kinetics and structural stability, thus significantly affecting the rate performance and cyclability. However, researches on two-phase interface are still in its infancy and need further attentions. This review first starts from the fundamental understanding of solid-liquid and solid-solid interfaces to in-depth analyzing the effect mechanism of different improvement strategies on them, such as optimization of electrolyte and binders, heterostructure design, modulation of interlayer spacing, etc. Afterward, the research progress of these improvement strategies is summarized comprehensively. Finally, the major challenges are proposed, and the corresponding solving strategies are presented. This review is expected to give an insight into the importance of two-phase interface on diffusion/reaction kinetics, and provides a guidance for developing other advanced anodes in PIBs.
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Affiliation(s)
- Fei Yuan
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Zhaojin Li
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Di Zhang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Qiujun Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Huan Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Huilan Sun
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
| | - Qiyao Yu
- State Key Laboratory of Explosion Science and TechnologySchool of Mechatronical EngineeringBeijing Institute of TechnologyBeijing100081China
| | - Wei Wang
- School of Metallurgical and Ecological EngineeringUniversity of Science and Technology BeijingBeijing100083China
| | - Bo Wang
- Hebei Key Laboratory of Flexible Functional MaterialsSchool of Materials Science and EngineeringHebei University of Science and TechnologyShijiazhuang050000China
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16
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Cao Y, Sun W, Guo C, Zheng L, Yao M, Wang Y. Rational Construction of Yolk-Shell Bimetal-Modified Quinonyl-Rich Covalent Organic Polymers with Ultralong Lithium-Storage Mechanism. ACS NANO 2022; 16:9830-9842. [PMID: 35658409 DOI: 10.1021/acsnano.2c03857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Covalent organic polymers are attracting more and more attention for energy storage devices due to their lightweight, molecular viable design, stable structure, and environmental benignity. However, low charge-carrier mobility of pristine covalent organic materials is the main drawback for their application in lithium-ion batteries. Herein, a yolk-shell bimetal-modified quinonyl-rich covalent organic material, Co@2AQ-MnO2, has been designed and synthesized by in situ loading of petal-like nanosized MnO2 and coordinating with Co centers, with the aim to improve the charge conductivity of the covalent organic polymer and activate its Li-storage sites. As investigated by in situ FT-IR, ex situ XPS, and electrochemical probing, the quinonyl-rich structure provides abundant redox sites (carbonyl groups and π electrons from the benzene ring) for lithium reaction, and the introduction of two types of metallic species promotes the charge transfer and facilitates more efficient usage of active energy-storage sites in Co@2AQ-MnO2. Thus, the Co@2AQ-MnO2 electrode exhibits good cycling performance with large reversible capacity and excellent rate performance (1534.4 mA h g-1 after 200 cycles at 100 mA g-1 and 596.0 mA h g-1 after 1000 cycles at 1000 mA g-1).
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Affiliation(s)
- Yingnan Cao
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, People's Republic of China, 200444
| | - Weiwei Sun
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, People's Republic of China, 200444
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai University, 99 Shangda Road, Shanghai, People's Republic of China, 200444
| | - Chaofei Guo
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, People's Republic of China, 200444
| | - Lu Zheng
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, People's Republic of China, 200444
| | - Mengyao Yao
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, People's Republic of China, 200444
| | - Yong Wang
- Department of Chemical Engineering, School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai, People's Republic of China, 200444
- Key Laboratory of Organic Compound Pollution Control Engineering, Ministry of Education, Shanghai University, 99 Shangda Road, Shanghai, People's Republic of China, 200444
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17
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A Simple Route to Produce Highly Efficient Porous Carbons Recycled from Tea Waste for High-Performance Symmetric Supercapacitor Electrodes. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030791. [PMID: 35164053 PMCID: PMC8838339 DOI: 10.3390/molecules27030791] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 01/15/2022] [Accepted: 01/19/2022] [Indexed: 11/16/2022]
Abstract
High-performance porous carbons derived from tea waste were prepared by hydrothermal treatment, combined together with KOH activation. The heat-treatment-processed materials possess an abundant hierarchical structure, with a large specific surface of 2235 m2 g−1 and wetting-complemental hydrophilicity for electrolytes. In a two-electrode system, the porous carbon electrodes’ built-in supercapacitor exhibited a high specific capacitance of 256 F g−1 at 0.05 A g−1, an excellent capacitance retention of 95.4% after 10,000 cycles, and a low leakage current of 0.014 mA. In our work, the collective results present that the precursor crafted from the tea waste can be a promising strategy to prepare valuable electrodes for high-performance supercapacitors, which offers a practical strategy to recycle biowastes into manufactured materials in energy storage applications.
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18
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Liu XX, Deng W, Liu LM, Wang YF, Huang CF, Wang Z. Passion fruit-like microspheres of FeS2 wrapped with carbon as excellent fast charging materials for supercapacitors. NEW J CHEM 2022. [DOI: 10.1039/d2nj01749k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pyrite (FeS2) has attracted growing attention as pseudocapacitance electrode materials for supercapacitors. However, the fast capacity fading and the poor cycling performance, greatly hinder its practical application. Herein, a facile...
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