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Yu H, Liu D, Fu Z, Wang S, Zuo X, Feng X, Zhang Y. Dynamic Modulation of Li 2O 2 Growth in Li-O 2 Batteries through Regulating Oxygen Reduction Kinetics with Photo-Assisted Cathodes. Angew Chem Int Ed Engl 2024; 63:e202401272. [PMID: 38375744 DOI: 10.1002/anie.202401272] [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: 01/18/2024] [Revised: 02/12/2024] [Accepted: 02/19/2024] [Indexed: 02/21/2024]
Abstract
Widely acknowledged that the capacity of Li-O2 batteries (LOBs) should be strongly determined by growth behaviors of the discharge product of lithium peroxide (Li2O2) that follows both coexisting surface and solution pathways. However until now, it remains still challenging to achieve dynamic modulation on Li2O2 morphologies. Herein, the photo-responsive Au nanoparticles (NPs) supported on reduced oxide graphene (Au/rGO) have been utilized as cathode to manipulate oxygen reduction reaction (ORR) kinetics by aid of surface plasmon resonance (SPR) effects. Thus, we can experimentally reveal the importance of matching ORR kinetics with Li+ migration towards battery performance. Moreover, it is found that Li+ concentration polarization caused "sudden death" of LOBs is supposed to be just a form of suspended animation that could timely recover under irradiation. This work provides us an in-depth explanation on the working mechanism of LOBs from a kinetic perspective, offering valuable insights for the future battery design.
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Affiliation(s)
- Haohan Yu
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Dapeng Liu
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Zerui Fu
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Shu Wang
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Xintao Zuo
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Xilan Feng
- Department of Automation Science and Electrical Engineering, Beihang University, Beijing, 100191, P. R. China
| | - Yu Zhang
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
- Beijing Advanced Innovation Center for Biomedical Engineering, Beihang University, Beijing, 100191, P. R. China
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2
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Sun C, Cui X, Xiao F, Cui D, Wang Q, Dang F, Yu H, Lian G. Modulating the d-Band Center of RuO 2 via Ni Incorporation for Efficient and Durable Li-O 2 batteries. Small 2024:e2400010. [PMID: 38470199 DOI: 10.1002/smll.202400010] [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: 02/25/2024] [Indexed: 03/13/2024]
Abstract
Rechargeable Li-O2 batteries (LOBs) are considered as one of the most promising candidates for new-generation energy storage devices. One of major impediments is the poor cycle stability derived from the sluggish reaction kinetics of unreliable cathode catalysts, hindering the commercial application of LOBs. Therefore, the rational design of efficient and durable catalysts is critical for LOBs. Optimizing surface electron structure via the negative shift of the d-band center offers a reasonable descriptor for enhancing the electrocatalytic activity. In this study, the construction of Ni-incorporating RuO2 porous nanospheres is proposed as the cathode catalyst to demonstrate the hypothesis. Density functional theory calculations reveal that the introduction of Ni atoms can effectively modulate the surface electron structure of RuO2 and the adsorption capacities of oxygen-containing intermediates, accelerating charge transfer between them and optimizing the growth pathway of discharge products. Resultantly, the LOBs exhibit a large discharge specific capacity of 19658 mA h g-1 at 200 mA g-1 and extraordinary cycle life of 791 cycles. This study confers the concept of d-band center modulation for efficient and durable cathode catalysts of LOBs.
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Affiliation(s)
- Chaoyang Sun
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Xinhang Cui
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
- Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore, 117543, Singapore
| | - Fenglong Xiao
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Deliang Cui
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Qilong Wang
- Key Laboratory for Special Functional Aggregated Materials of Education Ministry, School of Chemistry & Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
| | - Feng Dang
- School of Materials Science & Engineering, Shandong University, Jinan, 250061, P. R. China
| | - Haohai Yu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Gang Lian
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
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3
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Long Y, Li Q, Zhang Z, Zeng Q, Liu D, Zhao L, Liu Y, Li Y, Zhang Y, Ji K, Zhou Z, Han X, Wang J. Coupling MoSe 2 with Non-Stoichiometry Ni 0.85 Se in Carbon Hollow Nanoflowers for Efficient Electrocatalytic Synergistic Effect on Li-O 2 Batteries. Small 2024; 20:e2304882. [PMID: 37890468 DOI: 10.1002/smll.202304882] [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: 06/09/2023] [Revised: 10/04/2023] [Indexed: 10/29/2023]
Abstract
Li-O2 batteries could deliver ultra-high theoretical energy density compared to current Li-ion batteries counterpart. The slow cathode reaction kinetics in Li-O2 batteries, however, limits their electrocatalytic performance. To this end, MoSe2 and Ni0.85 Se nanoflakes were decorated in carbon hollow nanoflowers, which were served as the cathode catalysts for Li-O2 batteries. The hexagonal Ni0.85 Se and MoSe2 show good structural compatibility with the same space group, resulting in a stable heterogeneous structure. The synergistic interaction of the unsaturated atoms and the built-in electric fields on the heterogeneous structure exposes abundant catalytically active sites, accelerating ion and charge transport and imparting superior electrochemical activity, including high specific capacities and stable cycling performance. More importantly, the lattice distances of the Ni0.85 Se (101) plane and MoSe2 (100) plane at the heterogeneous interfaces are highly matched to that of Li2 O2 (100) plane, facilitating epitaxial growth of Li2 O2 , as well as the formation and decomposition of discharge products during the cycles. This strategy of employing nonstoichiometric compounds to build heterojunctions and improve Li-O2 battery performance is expected to be applied to other energy storage or conversion systems.
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Affiliation(s)
- Yuxin Long
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Qiang Li
- Shandong Tianhou New Material Technology Co. Ltd., Heze, 274051, China
| | - Zidong Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Qingxi Zeng
- Shandong Tianhou New Material Technology Co. Ltd., Heze, 274051, China
| | - Dong Liu
- Shandong Tianhou New Material Technology Co. Ltd., Heze, 274051, China
| | - Lanling Zhao
- School of Physics, Shandong University, Jinan, 250061, China
| | - Yao Liu
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Yebing Li
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Yiming Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Kunqian Ji
- Research Institute of Neuromuscular and Neurodegenerative Diseases and Department of Neurology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, China
| | - Zhaorui Zhou
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Xue Han
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Jun Wang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
- Shandong Tianhou New Material Technology Co. Ltd., Heze, 274051, China
- Shenzhen Research Institute of Shandong University, Shenzhen, 518063, China
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4
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Gao Z, Yao J, Yan J, Sun J, Du C, Dai Q, Su Y, Zhao J, Chen J, Li X, Li H, Zhang P, Ma J, Qiu H, Zhang L, Tang Y, Huang J. Atomic-Scale Cryo-TEM Studies of the Electrochemistry of Redox Mediator in Li-O 2 Batteries. Small 2024:e2311739. [PMID: 38420904 DOI: 10.1002/smll.202311739] [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: 02/15/2024] [Indexed: 03/02/2024]
Abstract
Rechargeable aprotic lithium (Li)-oxygen battery (LOB) is a potential next-generation energy storage technology because of its high theoretical specific energy. However, the role of redox mediator on the oxide electrochemistry remains unclear. This is partly due to the intrinsic complexity of the battery chemistry and the lack of in-depth studies of oxygen electrodes at the atomic level by reliable techniques. Herein, cryo-transmission electron microscopy (cryo-TEM) is used to study how the redox mediator LiI affects the oxygen electrochemistry in LOBs. It is revealed that with or without LiI in the electrolyte, the discharge products are plate-like LiOH or toroidal Li2 O2 , respectively. The I2 assists the decomposition of LiOH via the formation of LiIO3 in the charge process. In addition, a LiI protective layer is formed on the Li anode surface by the shuttle of I3 - , which inhibits the parasitic Li/electrolyte reaction and improves the cycle performance of the LOBs. The LOBs returned to 2e- oxygen reduction reaction (ORR) to produce Li2 O2 after the LiI in the electrolyte is consumed. This work provides new insight on the role of redox mediator on the complex electrochemistry in LOBs which may aid the design LOBs for practical applications.
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Affiliation(s)
- Zhiying Gao
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Jingming Yao
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Jitong Yan
- Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Jun Sun
- Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Congcong Du
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Qiushi Dai
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Yong Su
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan, 411105, P. R. China
| | - Jun Zhao
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Jingzhao Chen
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Xiaomei Li
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Hui Li
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Pan Zhang
- Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Jun Ma
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Hailong Qiu
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Liqiang Zhang
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
| | - Yongfu Tang
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
- Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao, 066004, P. R. China
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin, 300071, P. R. China
| | - Jianyu Huang
- Clean Nano Energy Center, State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
- School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan, 411105, P. R. China
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5
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Li JX, Guan DH, Wang XX, Miao CL, Li JY, Xu JJ. Highly Stable Organic Molecular Porous Solid Electrolyte with One-Dimensional Ion Migration Channel for Solid-State Lithium-Oxygen Battery. Adv Mater 2024:e2312661. [PMID: 38290062 DOI: 10.1002/adma.202312661] [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: 11/24/2023] [Revised: 01/22/2024] [Indexed: 02/01/2024]
Abstract
Solid-state lithium-oxygen (Li-O2 ) batteries have been widely recognized as one of the candidates for the next-generation of energy storage batteries. However, the development of solid-state Li-O2 batteries has been hindered by the lack of solid-state electrolyte (SSE) with high ionic conductivity at room temperature, high Li+ transference number, and the high stability to air. Herein, the organic molecular porous solid cucurbit[7]uril (CB[7]) with one-dimensional (1D) ion migration channels is developed as the SSE for solid-state Li-O2 batteries. Taking advantage of the 1D ion migration channel for Li+ conduction, CB[7] SSE achieves high ionic conductivity (2.45 × 10-4 S cm-1 at 25 °C). Moreover, the noncovalent interactions facilitated the immobilization of anions, realizing a high Li+ transference number (tLi + = 0.81) and Li+ uniform distribution. The CB[7] SSE also shows a wide electrochemical stability window of 0-4.65 V and high thermal stability and chemical stability, as well as realizes stable Li+ plating/stripping (more than 1000 h at 0.3 mA cm-2 ). As a result, the CB[7] SSE endows solid-state Li-O2 batteries with superior rate capability and long-term discharge/charge stability (up to 500 h). This design strategy of CB[7] SSE paves the way for stable and efficient solid-state Li-O2 batteries toward practical applications.
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Affiliation(s)
- Jia-Xin Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - De-Hui Guan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Xiao-Xue Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
| | - Cheng-Lin Miao
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
| | - Jian-You Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
| | - Ji-Jing Xu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
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6
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Lin Y, Zhang Y, Bao J, Qiu J, Guo D, Zhang S, Yuan M, Sun G, Nan C. Terephthalic Acid Intercalated CoNi-LDH Materials for Improved Li-O 2 Battery. Small 2023; 19:e2302979. [PMID: 37528713 DOI: 10.1002/smll.202302979] [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: 04/10/2023] [Revised: 07/03/2023] [Indexed: 08/03/2023]
Abstract
CoNi-LDH (layered CoNi double hydroxides) hollow nanocages with specific morphology are obtained by Ni ion etching of ZIF-67 (Zeolitic imidazolate framework-67). The structure of the layered materials is further modified by molecular intercalation. The original interlayer anions are replaced by the ion exchange effect of terephthalic acid, which helps to increase the interlayer distance of the material. The intercalated cage-like structures not only benefit for the storage of oxygen, and the discharge product reaction, but also have more support between the material layers. The experimental results show that the excessive use of intercalation agent will affect structural stability of the intercalated CoNi-LDH. By adjusting the amount of terephthalic acid, the intercalated CoNi-LDH-2 (with 0.02 mmol terephthalic acid intercalated) is not easy to collapse after 209 cycles and shows the best electrochemical performance in Li-O2 battery.
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Affiliation(s)
- Yuran Lin
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Yu Zhang
- Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Jindi Bao
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Jiachen Qiu
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Donghua Guo
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Shuting Zhang
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Mengwei Yuan
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Genban Sun
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
| | - Caiyun Nan
- Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing, 100875, China
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7
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Su Z, Temprano I, Folastre N, Vanpeene V, Villanova J, Gachot G, Shevchenko EV, Grey CP, Franco AA, Demortière A. Binder-Free Cnt Cathodes for Li-O 2 Batteries with More Than One Life. Small Methods 2023:e2300452. [PMID: 37817378 DOI: 10.1002/smtd.202300452] [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] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/28/2023] [Indexed: 10/12/2023]
Abstract
Li-O2 batteries (LOB) performance degradation ultimately occurs through the accumulation of discharge products and irreversible clogging of the porous electrode during the cycling. Electrode binder degradation in the presence of reduced oxygen species can result in additional coating of the conductive surface, exacerbating capacity fading. Herein, a facile method to fabricate free-standing is established, binder-free electrodes for LOBs in which multi-wall carbon nanotubes form cross-linked networks exhibiting high porosity, conductivity, and flexibility. These electrodes demonstrate high reproducibility upon cycling in LOBs. After cell death, efficient and inexpensive methods to wash away the accumulated discharge products are demonstrated, as reconditioning method. The second life usage of these electrodes is validated, without noticeable loss of performance. These findings aim to assist in the development of greener high energy density batteries while reducing manufacturing and recycling costs.
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Affiliation(s)
- Zeliang Su
- Laboratoire de Réactivité et Chimie des Solides (LRCS), Université de Picardie Jules Verne, CNRS UMR 7314, Hub de l'Energie, Amiens, Cedex, 80039, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS FR 3459, Hub de l'Energie, Amiens, Cedex, 80039, France
| | - Israel Temprano
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Nicolas Folastre
- Laboratoire de Réactivité et Chimie des Solides (LRCS), Université de Picardie Jules Verne, CNRS UMR 7314, Hub de l'Energie, Amiens, Cedex, 80039, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS FR 3459, Hub de l'Energie, Amiens, Cedex, 80039, France
| | - Victor Vanpeene
- ID16B ESRF-The European Synchrotron, CS 40220, Grenoble, Cedex 9, 38043, France
| | - Julie Villanova
- ID16B ESRF-The European Synchrotron, CS 40220, Grenoble, Cedex 9, 38043, France
| | - Gregory Gachot
- Laboratoire de Réactivité et Chimie des Solides (LRCS), Université de Picardie Jules Verne, CNRS UMR 7314, Hub de l'Energie, Amiens, Cedex, 80039, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS FR 3459, Hub de l'Energie, Amiens, Cedex, 80039, France
| | - Elena V Shevchenko
- Argonne National Laboratory, Center for Nanoscale Materials, Argonne, Illinois, 60439, USA
| | - Clare P Grey
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, UK
| | - Alejandro A Franco
- Laboratoire de Réactivité et Chimie des Solides (LRCS), Université de Picardie Jules Verne, CNRS UMR 7314, Hub de l'Energie, Amiens, Cedex, 80039, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS FR 3459, Hub de l'Energie, Amiens, Cedex, 80039, France
- Institut Universitaire de France, 101 Boulevard Saint Michel, Paris, 75005, France
- ALISTORE-European Research Institute, CNRS FR 3104, Hub de l'Energie, Amiens, 80039, Cedex, France
| | - Arnaud Demortière
- Laboratoire de Réactivité et Chimie des Solides (LRCS), Université de Picardie Jules Verne, CNRS UMR 7314, Hub de l'Energie, Amiens, Cedex, 80039, France
- Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS FR 3459, Hub de l'Energie, Amiens, Cedex, 80039, France
- ALISTORE-European Research Institute, CNRS FR 3104, Hub de l'Energie, Amiens, 80039, Cedex, France
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8
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Zhou Z, Zhao L, Wang J, Zhang Y, Li Y, Shoukat S, Han X, Long Y, Liu Y. Optimizing E g Orbital Occupancy of Transition Metal Sulfides by Building Internal Electric Fields to Adjust the Adsorption of Oxygenated Intermediates for Li-O 2 Batteries. Small 2023; 19:e2302598. [PMID: 37283475 DOI: 10.1002/smll.202302598] [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: 03/28/2023] [Revised: 05/16/2023] [Indexed: 06/08/2023]
Abstract
Li-O2 batteries are acknowledged as one of the most promising energy systems due to their high energy density approaching that of gasoline, but the poor battery efficiency and unstable cycling performance still hinder their practical application. In this work, hierarchical NiS2 -MoS2 heterostructured nanorods are designed and successfully synthesized, and it is found that heterostructure interfaces with internal electric fields between NiS2 and MoS2 optimized eg orbital occupancy, effectively adjusting the adsorption of oxygenated intermediates to accelerate reaction kinetics of oxygen evolution reaction and oxygen reduction reaction. Structure characterizations coupled with density functional theory calculations reveal that highly electronegative Mo atoms on NiS2 -MoS2 catalyst can capture more eg electrons from Ni atoms, and induce lower eg occupancy enabling moderate adsorption strength toward oxygenated intermediates. It is evident that hierarchical NiS2 -MoS2 nanostructure with fancy built-in electric fields significantly boosted formation and decomposition of Li2 O2 during cycling, which contributed to large specific capacities of 16528/16471 mAh g-1 with 99.65% coulombic efficiency and excellent cycling stability of 450 cycles at 1000 mA g-1 . This innovative heterostructure construction provides a reliable strategy to rationally design transition metal sulfides by optimizing eg orbital occupancy and modulating adsorption toward oxygenated intermediates for efficient rechargeable Li-O2 batteries.
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Affiliation(s)
- Zhaorui Zhou
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Lanling Zhao
- School of Physics, Shandong University, Jinan, 250061, China
| | - Jun Wang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Yiming Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Yebing Li
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Sana Shoukat
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Xue Han
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Yuxin Long
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
| | - Yao Liu
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, 250061, China
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9
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Zhao L, Feng J, Abbas A, Wang C, Wang H. MOF-Derived Mn 2 O 3 Nanocage with Oxygen Vacancies as Efficient Cathode Catalysts for Li-O 2 Batteries. Small 2023; 19:e2302953. [PMID: 37300361 DOI: 10.1002/smll.202302953] [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: 04/08/2023] [Revised: 05/26/2023] [Indexed: 06/12/2023]
Abstract
Designing efficient and cost-effective electrocatalysts is the primary imperative for addressing the pivotal concerns confronting lithium-oxygen batteries (LOBs). The microstructure of the catalyst is one of the key factors that influence the catalytic performance. This study proceeds to the advantage of metal-organic frameworks (MOFs) derivatives by annealing manganese 1,2,3-triazolate (MET-2) at different temperatures to optimize Mn2 O3 crystals for special microstructures. It is found that at 350 °C annealing temperature, the derived Mn2 O3 nanocage maintains the structure of MOF, the inherited high porosity and large specific surface area provide more channels for Li+ and O2 diffusion, beside the oxygen vacancies on the surface of Mn2 O3 nanocages enhance the electrocatalytic activity. With the synergy of unique structure and rich oxygen vacancies, the Mn2 O3 nanocage exhibits ultrahigh discharge capacity (21 070.6 mAh g-1 at 500 mA g-1 ) and excellent cycling stability (180 cycles at the limited capacity of 600 mAh g-1 with a current of 500 mA g-1 ). This study demonstrates that the Mn2 O3 nanocage structure containing oxygen vacancies can significantly enhance catalytic performance for LOBs, which provide a simple method for structurally designed transition metal oxide electrocatalysts.
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Affiliation(s)
- Lingwen Zhao
- School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Juanjuan Feng
- School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Adeel Abbas
- School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Chunlei Wang
- School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Hongchao Wang
- School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
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10
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Yi G, Li G, Jiang S, Zhang G, Guo L, Zhang X, Zhao Z, Zou Z, Ma H, Fu X, Liu Y, Dang F. Efficient Fe 3C-CF Cathode Catalyst Based on the Formation/Decomposition of Li 2-xO 2 for Li-O 2 Batteries. Molecules 2023; 28:5597. [PMID: 37513469 PMCID: PMC10385974 DOI: 10.3390/molecules28145597] [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: 06/28/2023] [Revised: 07/15/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Lithium-oxygen batteries have attracted considerable attention in the past several years due to their ultra-high theoretical energy density. However, there are still many serious issues that must be addressed before considering practical applications, including the sluggish oxygen redox kinetics, the limited capacity far from the theoretical value, and the poor cycle stability. This study proposes a surface modification strategy that can enhance the catalytic activity by loading Fe3C particles on carbon fibers, and the microstructure of Fe3C particle-modified carbon fibers is studied by multiple materials characterization methods. Experiments and density functional theory (DFT) calculations show that the discharge products on the Fe3C carbon fiber (Fe3C-CF) cathode are mainly Li2-xO2. Fe3C-CF exhibits high catalytic ability based on its promotion of the formation/decomposition processes of Li2-xO2. Consequently, the well-designed electrode catalyst exhibits a large specific capacity of 17,653.1 mAh g-1 and an excellent cyclability of 263 cycles at a current of 200 mA g-1.
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Affiliation(s)
- Guanyu Yi
- School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Gaoyang Li
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China
| | - Shuhuai Jiang
- School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Guoliang Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China
| | - Liang Guo
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China
| | - Xiuqi Zhang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China
| | - Zhongkui Zhao
- School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Zhongping Zou
- School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Hailong Ma
- School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Xiaojiao Fu
- School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Yan Liu
- School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Feng Dang
- Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan 250061, China
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11
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Li L, Ma F, Jia C, Li Q, He X, Sun J, Jiang R, Lei Z, Liu ZH. Size-Controlled Boron-Based Bifunctional Photocathodes for High-Efficiency Photo-Assisted Li-O 2 Batteries. Adv Sci (Weinh) 2023:e2301682. [PMID: 37195010 PMCID: PMC10401084 DOI: 10.1002/advs.202301682] [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] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/19/2023] [Indexed: 05/18/2023]
Abstract
Photo-assisted Li-O2 batteries are introduced as a promising strategy for reducing severe overpotential by directly employing photocathodes. Herein, a series of size-controlled single-element boron photocatalysts are prepared by the meticulous liquid phase thinning methods by combining probe and water bath sonication, and their bifunctional photocathodes in the photo-assisted Li-O2 batteries are systematically investigated. The boron-based Li-O2 batteries have shown incremental round-trip efficiencies as the sized reduction of boron under illumination. It is noteworthy that the completely amorphous boron nanosheets (B4 ) photocathode not only delivers an optimizing round-trip efficiency of 190% on the basis of the ultra-high discharge voltage (3.55 V) and ultra-low charge voltage (1.87 V) but also gives a high rate performance and ultralong durability with a round-trip efficiency of 133% after 100 cycles (200 h) compared with the other-sized boron photocathodes. This remarkable photoelectric performance of the B4 sample can be attracted to the synergistic effect on the suitable semiconductor property, high conductivity, and strengthened catalytic ability of boron nanosheets coated with ultrathin amorphous boron-oxides overlayer. This research can open a new avenue to facilitate the rapid development of high-efficiency photo-assisted Li-O2 batteries.
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Affiliation(s)
- Ling Li
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China
- Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Fuquan Ma
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China
- Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Congying Jia
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China
- Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Qi Li
- Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Xuexia He
- Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Jie Sun
- Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Ruibin Jiang
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China
- Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Zhibin Lei
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China
- Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Zong-Huai Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China
- Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, 710119, P. R. China
- School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
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12
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Huang Y, Liu Y, Tang D, Li W, Li J. Freestanding MOF-Derived Honeycomb-Shape Porous MnOC@CC as an Electrocatalyst for Reversible LiOH Chemistry in Li-O 2 Batteries. ACS Appl Mater Interfaces 2023; 15:23115-23123. [PMID: 37129923 DOI: 10.1021/acsami.3c01599] [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] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
In rechargeable Li-O2 batteries, the electrolyte and the electrode are prone to be attacked by aggressive intermediates (O2- and LiO2) and products (Li2O2), resulting in low energy efficiency. It has been reported that in the presence of water, the formation of low-activity LiOH is more stable for electrolyte and electrode, effectively reducing the production of parasitic products. However, the reversible formation and decomposition of LiOH catalyzed by solid catalysts is still a challenge. Here, a freestanding metal-organic framework (MOF)-derived honeycomb-shape porous MnOC@CC cathode was prepared for Li-O2 batteries by in situ growth of urchin-like Mn-MOFs on carbon cloth (CC) and carbonization. The battery with the MnOC@CC cathode exhibits an ultrahigh practical discharge specific capacity of 22,838 mAh g-1 at 200 mA g-1, high-rate capability, and more stable cycling, which is superior to the MnOC powder cathode. X-ray diffraction and Fourier transform infrared results identify that the discharge product of the batteries is LiOH rather than highly active Li2O2, and no parasitic products were found during operation. The MnOC@CC cathode can induce the formation of flower-like LiOH in the presence of water due to its unique porous structure and directional alignment of Mn-O centers. This work achieves the reversible formation and decomposition of LiOH in the presence of water, offering some insights into the practical application of semiopen Li-O2 batteries.
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Affiliation(s)
- Yaling Huang
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, China
| | - Yong Liu
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, China
| | - Dan Tang
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, China
| | - Wenzhang Li
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, China
| | - Jie Li
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, Hunan, China
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13
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Lian Z, Lu Y, Zhao S, Li Z, Liu Q. Engineering the Electronic Interaction between Atomically Dispersed Fe and RuO 2 Attaining High Catalytic Activity and Durability Catalyst for Li-O 2 Battery. Adv Sci (Weinh) 2023; 10:e2205975. [PMID: 36683253 PMCID: PMC10037969 DOI: 10.1002/advs.202205975] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/22/2022] [Indexed: 06/17/2023]
Abstract
It is significant to develop catalysts with high catalytic activity and durability to improve the electrochemical performances of lithium-oxygen batteries (LOBs). While electronic metal-support interaction (EMSI) between metal atoms and support has shown great potential in catalytic field. Hence, to effectively improve the electrochemical performance of LOBs, atomically dispersed Fe modified RuO2 nanoparticles are designed to be loaded on hierarchical porous carbon shells (FeSA -RuO2 /HPCS) based on EMSI criterion. It is revealed that the Ru-O-Fe1 structure is formed between the atomically dispersed Fe atoms and the surrounding Ru sites through electron interaction, and this structure could act as the ultra-high activity driving force center of oxygen reduction/evolution reaction (ORR/OER). Specifically, the Ru-O-Fe1 structure enhances the reaction kinetics of ORR to a certain extent, and optimizes the morphology of discharge products by reducing the adsorption energy of catalyst for O2 and LiO2 ; while during the OER process, the Ru-O-Fe1 structure not only greatly enhances the reaction kinetics of OER, but also catalyzes the efficient decomposition of the discharge products Li2 O2 by the favorable electron transfer between the active sites and the discharge products. Hence, LOBs based on FeSA-RuO2 /HPCS cathodes show an ultra-low over-potential, high discharge capacity and superior durability.
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Affiliation(s)
- Zheng Lian
- Green Catalysis Centerand College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
- State Key Laboratory of Pulp and Paper EngineeringSouth China University of TechnologyGuangzhou510641P. R. China
| | - Youcai Lu
- Green Catalysis Centerand College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
| | - Shaoze Zhao
- Green Catalysis Centerand College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
| | - Zhongjun Li
- Green Catalysis Centerand College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
| | - Qingchao Liu
- Green Catalysis Centerand College of ChemistryZhengzhou UniversityZhengzhou450001P. R. China
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14
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Zhang Y, Xie S, Li D, Liu Y, Li C, Liu J, Xie H. Suppressing Redox Shuttling with Lithiated Nafion-Modified Separators for Li-O 2 Batteries. ChemSusChem 2022; 15:e202200769. [PMID: 35750649 DOI: 10.1002/cssc.202200769] [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: 04/18/2022] [Revised: 05/15/2022] [Indexed: 06/15/2023]
Abstract
Although the employment of redox mediator (RM) is an effective strategy to reduce the overpotential by avoiding the direct electrochemical oxidization of Li2 O2 during charging, an unexpected redox shuttling in Li-O2 system leads to RM degradation and continuous deterioration of Li anode, finally resulting in a limited cycling stability. Here, a functional lithiated Nafion-modified separator was firstly introduced to inhibit the shuttle effect by coulombic/electrostatic interactions in RM-involved Li-O2 batteries. The fabrication of the separator involved easily accessible raw materials and an easy-to-operate process, which made it suitable for large-scale production. The enhancement of lithiated process on electrochemical properties was systematically investigated. In addition, the influence of decorated amount on cycling stability was also studied. Furthermore, the functional contribution of lithiated Nafion on inhibition of redox shuttling and the working mechanism for cells with and without as-prepared separators were proposed. This work can give an insight into the development of functional separator (i. e., activity issue) and the suppression of parasitic reactions (i. e., selectivity issue) in Li-O2 batteries.
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Affiliation(s)
- Yuqing Zhang
- Nation & Local United Engineering Laboratory for Power Batteries, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Shuyuan Xie
- Nation & Local United Engineering Laboratory for Power Batteries, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Dan Li
- Nation & Local United Engineering Laboratory for Power Batteries, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Yulong Liu
- Nation & Local United Engineering Laboratory for Power Batteries, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Chao Li
- School of Business Administration, Changchun Sci-Tech University, Changchun, Jilin, 130600, P. R. China
| | - Jia Liu
- Nation & Local United Engineering Laboratory for Power Batteries, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
| | - Haiming Xie
- Nation & Local United Engineering Laboratory for Power Batteries, Faculty of Chemistry, Northeast Normal University, Changchun, Jilin, 130024, P. R. China
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15
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Cai Y, Zhang Q, Lu Y, Hao Z, Ni Y, Chen J. An Ionic Liquid Electrolyte with Enhanced Li + Transport Ability Enables Stable Li Deposition for High-Performance Li-O 2 Batteries. Angew Chem Int Ed Engl 2021; 60:25973-25980. [PMID: 34569670 DOI: 10.1002/anie.202111360] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 09/20/2021] [Indexed: 01/28/2023]
Abstract
Bis(trifluoromethanesulfonyl)imide-based ionic liquid (TFSI-IL) electrolyte could endow Li-O2 batteries with low charging overpotential. However, their weak Li+ transport ability (LTA) leads to non-uniform Li deposition. Herein, guided by Sand formula, the LTA of TFSI-IL electrolyte is greatly enhanced to realize robust Li deposition through introducing hydrofluoroether (HFE) and optimizing electrolyte component ratios to regulate solvation environment. The solvation environment changes from Li(TFSI)2 - ion pair into ionic aggregate clusters in the optimal electrolyte thanks to the slicing function of HFE toward ionic aggregate network. The transport parameters of Sand formula are synchronously enhanced, resulting in highly robust Li deposition behavior with greatly improved Coulombic efficiency (ca. 97.5 %) and cycling rate (1 mA cm-2 ). Cycling stability of Li-O2 batteries was greatly improved (a tiny overpotential rise of 64 mV after 75 cycles).
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Affiliation(s)
- Yichao Cai
- Frontiers Science Center for New Organic Matter, Renewable Energy Conversion and Storage Center (RECAST), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Qiu Zhang
- Frontiers Science Center for New Organic Matter, Renewable Energy Conversion and Storage Center (RECAST), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yong Lu
- Frontiers Science Center for New Organic Matter, Renewable Energy Conversion and Storage Center (RECAST), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Zhimeng Hao
- Frontiers Science Center for New Organic Matter, Renewable Energy Conversion and Storage Center (RECAST), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Youxuan Ni
- Frontiers Science Center for New Organic Matter, Renewable Energy Conversion and Storage Center (RECAST), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Jun Chen
- Frontiers Science Center for New Organic Matter, Renewable Energy Conversion and Storage Center (RECAST), Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, 300071, China
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16
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Xia Q, Zhao L, Zhang Z, Wang J, Li D, Han X, Zhou Z, Long Y, Dang F, Zhang Y, Chou S. MnCo 2 S 4 -CoS 1.097 Heterostructure Nanotubes as High Efficiency Cathode Catalysts for Stable and Long-Life Lithium-Oxygen Batteries Under High Current Conditions. Adv Sci (Weinh) 2021; 8:e2103302. [PMID: 34664424 PMCID: PMC8596117 DOI: 10.1002/advs.202103302] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/06/2021] [Indexed: 06/13/2023]
Abstract
Constructing the heterostructures is considered to be one of the most effective methods to improve the poor electrical conductivity and insufficient electrocatalytic properties of metal sulfide catalysts. In this work, MnCo2 S4 -CoS1.097 nanotubes are successfully prepared via a reflux- hydrothermal process. This novel cathode catalyst delivers high discharge/charge specific capacities of 21 765/21 746 mAh g-1 at 200 mA g-1 and good rate capability. In addition, a favorable cycling stability with a fixed specific capacity of 1000 mAh g-1 at high current density of 1000 mA g-1 (167 cycles) and 2000 mA g-1 (57 cycles) are delivered. It is proposed that fast transmission of ions and electrons accelerated by the built-in electric field, multiple active sites from the heterostructure, and nanotube architecture with large specific surface area are responsible for the superior electrochemical performance. To some extent, the rational design of this heterostructured metal sulfide catalyst provides guidance for the development of the stable and efficient cathode catalysts for Li-O2 batteries that can be employed under high current conditions.
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Affiliation(s)
- Qing Xia
- Key Laboratory for Liquid‐Solid Structural Evolution and Processing of Materials (Ministry of Education)Shandong UniversityJinan250061China
- Institute for Carbon NeutralizationCollege of Chemistry and Materials EngineeringWenzhou UniversityWenzhou325035China
| | - Lanling Zhao
- School of PhysicsShandong UniversityJinan250100P. R. China
| | - Zhijia Zhang
- School of Materials Science and EngineeringTiangong UniversityTianjin300387China
| | - Jun Wang
- Key Laboratory for Liquid‐Solid Structural Evolution and Processing of Materials (Ministry of Education)Shandong UniversityJinan250061China
| | - Deyuan Li
- Key Laboratory for Liquid‐Solid Structural Evolution and Processing of Materials (Ministry of Education)Shandong UniversityJinan250061China
| | - Xue Han
- Key Laboratory for Liquid‐Solid Structural Evolution and Processing of Materials (Ministry of Education)Shandong UniversityJinan250061China
| | - Zhaorui Zhou
- Key Laboratory for Liquid‐Solid Structural Evolution and Processing of Materials (Ministry of Education)Shandong UniversityJinan250061China
| | - Yuxin Long
- Key Laboratory for Liquid‐Solid Structural Evolution and Processing of Materials (Ministry of Education)Shandong UniversityJinan250061China
| | - Feng Dang
- Key Laboratory for Liquid‐Solid Structural Evolution and Processing of Materials (Ministry of Education)Shandong UniversityJinan250061China
| | - Yiming Zhang
- Key Laboratory for Liquid‐Solid Structural Evolution and Processing of Materials (Ministry of Education)Shandong UniversityJinan250061China
| | - Shulei Chou
- Institute for Carbon NeutralizationCollege of Chemistry and Materials EngineeringWenzhou UniversityWenzhou325035China
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17
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Jia C, Zhang F, She L, Li Q, He X, Sun J, Lei Z, Liu ZH. Ultra-Large Sized Siloxene Nanosheets as Bifunctional Photocatalyst for a Li-O 2 Battery with Superior Round-Trip Efficiency and Extra-Long Durability. Angew Chem Int Ed Engl 2021; 60:11257-11261. [PMID: 33655589 DOI: 10.1002/anie.202101991] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Indexed: 11/07/2022]
Abstract
Developing new optimized bifunctional photocatalyst is of great significant for achieving the high-performance photo-assisted Li-O2 batteries. Herein, a novel bifunctional photo-assisted Li-O2 system is constructed by using siloxene nanosheets with ultra-large size and few-layers due to its superior light harvesting, semiconductor characteristic, and low recombination rate. An ultra-low charge potential of 1.90 V and ultra-high discharge of 3.51 V have been obtained due to the introduction of this bifunctional photocatalyst into Li-O2 batteries, and these results have realized the round-trip efficiency up to 185 %. In addition, this photo-assisted Li-O2 batteries exhibits a high rate (129 % round-trip efficiency at 1 mA cm-2 ), a prolonged cycling life with 92 % efficiency retention after 100 cycles, and the highly reversible capacity of 1170 mAh g-1 at 0.75 mA cm-2 . This work will open the vigorous opportunity for high-efficiency utilization of solar energy into electric system.
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Affiliation(s)
- Congying Jia
- Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China.,Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Feng Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China.,Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Liaona She
- Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China.,Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Qi Li
- Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Xuexia He
- Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Jie Sun
- Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Zhibin Lei
- Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China.,Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
| | - Zong-Huai Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Shaanxi Normal University), Ministry of Education, Xi'an, 710062, P. R. China.,Key Laboratory for Advanced Energy Devices, Shaanxi Normal University, Xi'an, P. R. China.,School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, P. R. China
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18
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Li X, Zhao Y, Ding L, Wang D, Guo Q, Li Z, Luo H, Zhang D, Yu Y. Enhancing the Capacity and Stability by CoFe 2O 4 Modified g-C 3N 4 Composite for Lithium-Oxygen Batteries. Nanomaterials (Basel) 2021; 11:1088. [PMID: 33922335 DOI: 10.3390/nano11051088] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/09/2021] [Accepted: 04/19/2021] [Indexed: 11/16/2022]
Abstract
As society progresses, the task of developing new green energy brooks no delay. Li-O2 batteries have high theoretical capacity, but are difficult to put into practical use due to problems such as high overvoltage, low charge-discharge efficiency, poor rate, and cycle performance. The development of high-efficiency catalysts to effectively solve the shortcomings of Li-O2 batteries is of great significance to finding a solution for energy problems. Herein, we design CoFe2O4/g-C3N4 composites, and combine the advantages of the g-C3N4 material with the spinel-type metal oxide material. The flaky structure of g-C3N4 accelerates the transportation of oxygen and lithium ions and inhibits the accumulation of CoFe2O4 particles. The CoFe2O4 materials accelerate the decomposition of Li2O2 and reduce electrode polarization in the charge–discharge reaction. When CoFe2O4/g-C3N4 composites are used as catalysts in Li-O2 batteries, the battery has a better discharge specific capacity of 9550 mA h g−1 (catalyst mass), and the cycle stability of the battery has been improved, which is stable for 85 cycles.
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19
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Li M, Wang X, Li F, Zheng L, Xu J, Yu J. A Bifunctional Photo-Assisted Li-O 2 Battery Based on a Hierarchical Heterostructured Cathode. Adv Mater 2020; 32:e1907098. [PMID: 32671896 DOI: 10.1002/adma.201907098] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 05/26/2020] [Indexed: 05/18/2023]
Abstract
Photo-assisted charging is considered an effective approach to reducing the overpotential in lithium-oxygen (Li-O2 ) batteries. However, the utilization of photoenergy during the discharge process in a Li-O2 system has been rarely reported, and the functional mechanism of such a process remains unclear. Herein, a novel bifunctional photo-assisted Li-O2 system is established by employing a hierarchical TiO2 -Fe2 O3 heterojunction, in which the photo-generated electrons and holes play key roles in reducing the overpotential in the discharging and charging processes, respectively. Moreover, the morphology of the discharge product (Li2 O2 ) can be modified via the dense surface electrons of the cathode under illumination, resulting in promoted decomposition kinetics of Li2 O2 during the charging progress. Accordingly, the output and input energies of the battery can be tuned by illumination, giving an ultralow overpotential of 0.19 V between the charge and discharge plateaus with excellent cyclic stability (retaining a round-trip efficiency of ≈86% after 100 cycles). The investigation of the bifunctional photo-assisted process presented here provides significant insight into the mechanism of the photo-assisted Li-O2 battery and addresses the overpotential bottleneck in this system.
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Affiliation(s)
- Malin Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
| | - Xiaoxue Wang
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Fei Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Lijun Zheng
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Jijing Xu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
| | - Jihong Yu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
- International Center of Future Science, Jilin University, Changchun, 130012, P. R. China
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20
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Li J, Shu C, Liu C, Chen X, Hu A, Long J. Rationalizing the Effect of Oxygen Vacancy on Oxygen Electrocatalysis in Li-O 2 Battery. Small 2020; 16:e2001812. [PMID: 32431080 DOI: 10.1002/smll.202001812] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/19/2020] [Accepted: 04/20/2020] [Indexed: 06/11/2023]
Abstract
Albeit the effectiveness of surface oxygen vacancy in improving oxygen redox reactions in Li-O2 battery, the underpinning reason behind this improvement remains ambiguous. Herein, the concentration of oxygen vacancy in spinel NiCo2 O4 is first regulated via magnetron sputtering and its relationship with catalytic activity is comprehensively studied in Li-O2 battery based on experiment and density functional theory (DFT) calculation. The positive effect posed by oxygen vacancy originates from the up shifted antibond orbital relative to Fermi level (Ef ), which provides extra electronic state around Ef , eventually enhancing oxygen adsorption and charge transfer during oxygen redox reactions. However, with excessive oxygen vacancy, the negative effect emerges because the metal ions are mostly reduced to low valence based on the electrical neutral principle, which not only destabilizes the crystal structure but also weakens the ability to capture electrons from the antibond orbit of Li2 O2 , leading to poor catalytic activity for oxygen evolution reaction (OER).
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Affiliation(s)
- Jiabao Li
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu, Sichuan, 610059, P. R. China
| | - Chaozhu Shu
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu, Sichuan, 610059, P. R. China
| | - Chunhai Liu
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu, Sichuan, 610059, P. R. China
| | - Xianfei Chen
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu, Sichuan, 610059, P. R. China
| | - Anjun Hu
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P. R. China
| | - Jianping Long
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, 1#, Dongsanlu, Erxianqiao, Chengdu, Sichuan, 610059, P. R. China
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21
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Jin X, Park M, Shin SJ, Jo Y, Kim MG, Kim H, Kang YM, Hwang SJ. Synergistic Control of Structural Disorder and Surface Bonding Nature to Optimize the Functionality of Manganese Oxide as an Electrocatalyst and a Cathode for Li-O 2 Batteries. Small 2020; 16:e1903265. [PMID: 31490620 DOI: 10.1002/smll.201903265] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 08/13/2019] [Indexed: 06/10/2023]
Abstract
An efficient way to improve the electrocatalyst and Li-O2 battery performances of metal oxide is developed by an exquisite synergistic control over structural disorder and surface bonding nature. The effects of amorphous nature and surface chemical environment on the functionalities of metal oxide are systematically investigated with well-crystalline and amorphous MnO2 nanocrystals with/without surface anchoring of highly oxidized iodate clusters. The amorphous MnO2 nanocrystal containing anchored iodate clusters shows much better performance as an oxygen evolution electrocatalyst and cathode catalyst for Li-O2 batteries than both iodate-free amorphous and well-crystalline homologues, underscoring the remarkable advantage of simultaneous enhancement of structural disorder and surface electron density. In situ X-ray absorption spectroscopic analysis demonstrates the promoted formation of double (MnO) bond, a critical step of oxygen evolution reaction, upon amorphization caused by the poor orbital overlap inside highly disordered crystallites. The beneficial effects of iodate anchoring and amorphization on electrocatalyst functionality are attributable to the alteration of surface bonding character, stabilization of Jahn-Teller active Mn3+ species, and enhanced charge transfer of interfaces. The present study underscores that fine-tuning of structural disorder and surface bonding nature provides an effective methodology to explore efficient metal oxide-based electrocatalysts.
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Affiliation(s)
- Xiaoyan Jin
- Center for Hybrid Interfacial Chemical Structure (CICS), Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Mihui Park
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, 04620, Republic of Korea
| | - Seung-Jae Shin
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Yujin Jo
- Center for Hybrid Interfacial Chemical Structure (CICS), Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, Republic of Korea
| | - Min Gyu Kim
- Beamline Research Division, Pohang Accelerator Laboratory (PAL), Pohang, 37673, Republic of Korea
| | - Hyungjun Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon, 34141, Republic of Korea
| | - Yong-Mook Kang
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Seong-Ju Hwang
- Department of Materials Science & Engineering, Yonsei University, Seoul, 03722, Republic of Korea
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22
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Zhong G, Xu S, Cui M, Dong Q, Wang X, Xia Q, Gao J, Pei Y, Qiao Y, Pastel G, Sunaoshi T, Yang B, Hu L. Rapid, High-Temperature, In Situ Microwave Synthesis of Bulk Nanocatalysts. Small 2019; 15:e1904881. [PMID: 31608596 DOI: 10.1002/smll.201904881] [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] [Received: 08/28/2019] [Revised: 09/16/2019] [Indexed: 06/10/2023]
Abstract
Carbon-black-supported nanoparticles (CNPs) have attracted considerable attention for their intriguing catalytic properties and promising applications. The traditional liquid synthesis of CNPs commonly involves demanding operation conditions and complex pre- or post-treatments, which are time consuming and energy inefficient. Herein, a rapid, scalable, and universal strategy is reported to synthesize highly dispersed metal nanoparticles embedded in a carbon matrix via microwave irradiation of carbon black with preloaded precursors. By optimizing the amount of carbon black, the microwave absorption is dramatically improved while the thermal dissipation is effectively controlled, leading to a rapid temperature increase in carbon black, ramping to 1270 K in just 6 s. The whole synthesis process requires no capping agents or surfactants, nor tedious pre- or post-treatments of carbon black, showing tremendous potential for mass production. As a proof of concept, the synthesis of ultrafine Ru nanoparticles (≈2.57 nm) uniformly embedded in carbon black using this microwave heating technique is demonstrated, which displays remarkable electrocatalytic performance when used as the cathode in a Li-O2 battery. This microwave heating method can be extended to the synthesis of other nanoparticles, thereby providing a general methodology for the mass production of carbon-supported catalytic nanoparticles.
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Affiliation(s)
- Geng Zhong
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Shaomao Xu
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Mingjin Cui
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Qi Dong
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Xizheng Wang
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Qinqin Xia
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Jinlong Gao
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Yong Pei
- Department of Mechanical Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Yun Qiao
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Glenn Pastel
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Takeshi Sunaoshi
- Hitachi High Technologies America, Inc., Nanotechnology Systems Division, Clarksburg, MD, 20871, USA
| | - Bao Yang
- Department of Mechanical Engineering, University of Maryland, College Park, MD, 20742, USA
| | - Liangbing Hu
- Department of Materials Science and Engineering, University of Maryland, College Park, MD, 20742, USA
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23
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Feng S, Huang M, Lamb JR, Zhang W, Tatara R, Zhang Y, Zhu YG, Perkinson CF, Johnson JA, Shao-Horn Y. Molecular Design of Stable Sulfamide- and Sulfonamide-based Electrolytes for Aprotic Li-O 2 Batteries. Chem 2019; 5:2630-2641. [PMID: 32832724 PMCID: PMC7442112 DOI: 10.1016/j.chempr.2019.07.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [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] [Indexed: 10/26/2022]
Abstract
Electrolyte instability is one of the most challenging impediments to enabling Lithium-Oxygen (Li-O2) batteries for practical use. The use of physical organic chemistry principles to rationally design new molecular components may enable the discovery of electrolytes with stability profiles that cannot be achieved with existing formulations. Here, we report on the development of sulfamide- and sulfonamide-based small molecules that are liquids at room temperature, capable of dissolving reasonably high concentration of Li salts (e.g., LiTFSI), and are exceptionally stable under the harsh chemical and electrochemical conditions of aprotic Li-O2 batteries. In particular, N,N-dimethyl-trifluoromethanesulfonamide was found to be highly resistant to chemical degradation by peroxide and superoxide, stable against electrochemical oxidation up to 4.5 VLi, and stable for > 90 cycles in a Li-O2 cell when cycled at < 4.2 VLi. This study provides guiding principles for the development of next-generation electrolyte components based on sulfamides and sulfonamides.
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Affiliation(s)
- Shuting Feng
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- These authors contributed equally
| | - Mingjun Huang
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- These authors contributed equally
| | - Jessica R. Lamb
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Wenxu Zhang
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Ryoichi Tatara
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Yirui Zhang
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Yun Guang Zhu
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Collin F. Perkinson
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Jeremiah A. Johnson
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Lead contact
| | - Yang Shao-Horn
- Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
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24
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Kee Y, Bardé F, Vereecken PM. A High-Surface-Area Carbon-Coated 3D Nickel Nanomesh for Li-O 2 Batteries. ChemSusChem 2019; 12:3967-3970. [PMID: 31339671 DOI: 10.1002/cssc.201901677] [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: 06/21/2019] [Revised: 07/19/2019] [Indexed: 06/10/2023]
Abstract
Nanostructured electrodes show great promises for application in batteries and could improve their energy and power density. Herein, a carbon-coated 3D Ni nanomesh was used as an air cathode for non-aqueous Li-air (O2 ) battery applications. A 3 μm thick 3D Ni nanomesh was fabricated, showing an excellent surface area/footprint area ratio (90 cm2 :1 cm2 ) and uniformly distributed pores, on which a conformal amorphous carbon coating was applied for the first time. This carbon-coated 3D Ni nanomesh showed an approximately 100 times larger charge-footprint capacity than that of the glassy carbon electrode. Owing to its tunable properties, a capacity higher than 6 mAh cm-2 could be achieved for a carbon-coated 3D Ni nanomesh with a thickness of 100 μm, whereas the practical capacities of current air electrodes are in the range of 2 mAh cm-2 .
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Affiliation(s)
- Yongho Kee
- Estore, imec, Kapeldreef 75, 3001, Heverlee, Belgium
- Centre of Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg 23, 3001, Heverlee, Belgium
| | - Fanny Bardé
- Estore, imec, Kapeldreef 75, 3001, Heverlee, Belgium
- Technical Centre, Toyota Motor Europe, Hoge Wei 33B, 1930, Zaventem, Belgium
| | - Philippe M Vereecken
- Estore, imec, Kapeldreef 75, 3001, Heverlee, Belgium
- Centre of Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg 23, 3001, Heverlee, Belgium
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25
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Xue H, Ma Y, Wang T, Gong H, Gao B, Fan X, Yan J, Meng X, Zhang S, He J. Hollow Mesoporous Fe 2O 3 Nanospindles/CNTs Composite: An Efficient Catalyst for High-Performance Li-O 2 Batteries. Front Chem 2019; 7:511. [PMID: 31403040 PMCID: PMC6672713 DOI: 10.3389/fchem.2019.00511] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 07/03/2019] [Indexed: 11/21/2022] Open
Abstract
The design of mesoporous or hollow transition metal oxide/carbon hybrid catalysts is very important for rechargeable Li-O2 batteries. Here, spindle-like Fe2O3 with hollow mesoporous structure on CNTs backbones (Fe2O3-HMNS@CNT) are prepared by a facile hydrolysis process combined with low temperature calcination. Within this hybrid structure, the hollow interior and mesoporous shell of the Fe2O3 nanospindles provide high specific surface area and abundant catalytical active sites, which is also beneficial to facilitating the electrolyte infiltration and oxygen diffusion. Furthermore, the crisscrossed CNTs form a three-dimensional (3D) conductive network to accelerate and stabilize the electron transport, which leads to the decreasing internal resistance of electrode. As a cathodic catalyst for Li-O2 batteries, the Fe2O3-HMNS@CNT composite exhibits high specific capacity and excellent cycling stability (more than 100 cycles).
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Affiliation(s)
- Hairong Xue
- Jiangsu Key Laboratory of Materials and Technology for Energy Conversion, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China
| | - Yiou Ma
- Jiangsu Key Laboratory of Materials and Technology for Energy Conversion, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China
| | - Tao Wang
- Jiangsu Key Laboratory of Materials and Technology for Energy Conversion, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China
| | - Hao Gong
- Jiangsu Key Laboratory of Materials and Technology for Energy Conversion, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China
| | - Bin Gao
- Jiangsu Key Laboratory of Materials and Technology for Energy Conversion, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China
| | - Xiaoli Fan
- Jiangsu Key Laboratory of Materials and Technology for Energy Conversion, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China
| | - Juanjuan Yan
- Jiangsu Key Laboratory of Materials and Technology for Energy Conversion, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China
| | - Xianguang Meng
- Photofunctional Materials Research Platform, College of Materials Science and Engineering, North China University of Science and Technology, Tangshan, China
| | - Songtao Zhang
- Testing Center, Yangzhou University, Yangzhou, China
| | - Jianping He
- Jiangsu Key Laboratory of Materials and Technology for Energy Conversion, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing, China
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26
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Dai A, Li Q, Liu T, Amine K, Lu J. Fundamental Understanding of Water-Induced Mechanisms in Li-O 2 Batteries: Recent Developments and Perspectives. Adv Mater 2019; 31:e1805602. [PMID: 30478954 DOI: 10.1002/adma.201805602] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 09/12/2018] [Indexed: 06/09/2023]
Abstract
Modern sustainability challenges in recent years have warranted the development of new energy storage technologies. Practical realization of the lithium-O2 battery holds great promise for revolutionizing energy storage as it holds the highest theoretical specific energy of any rechargeable battery yet discovered. However, the complete realization of Li-O2 batteries necessitates ambient air operations, which presents quite a few challenges, as carbon dioxide (CO2 ) and water (H2 O) contaminants introduce unwanted byproducts from side reactions that greatly affect battery performance. Although current research has thoroughly explored the beneficial incorporation of CO2 , much mystery remains over the inconsistent effects of H2 O. The presence of water in both the cathode and electrolyte has been observed to alter reaction mechanisms differently, resulting in a diverse range of effects on voltage, capacity, and cyclability. Moreover, recent preliminary research with catalysts and redox mediators has attempted to utilize the presence of water to the battery's benefit. Here, the key mechanism discrepancies of water-afflicted Li-O2 batteries are presented, concluding with a perspective on future research directions for nonaqueous Li-O2 batteries.
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Affiliation(s)
- Alvin Dai
- Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL, 60439, USA
| | - Qidong Li
- Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL, 60439, USA
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing International School of Materials Science and Engineering, Wuhan University of Technology, Hubei, Wuhan, 430070, China
| | - Tongchao Liu
- Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL, 60439, USA
- School of Advanced Materials, Peking University Shenzhen Graduate School, Shenzhen, 518055, China
| | - Khalil Amine
- Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL, 60439, USA
- Material Science and Engineering, Stanford University, Stanford, CA, 94305, USA
| | - Jun Lu
- Chemical Sciences and Engineering Division, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL, 60439, USA
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27
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Cheng J, Jiang Y, Zou L, Zhang M, Zhang G, Wang Z, Huang Y, Chi B, Pu J, Jian L. Efficiency of 3D-Ordered Macroporous La 0.6Sr 0.4Co 0.2Fe 0.8O 3 as an Electrocatalyst for Aprotic Li-O 2 Batteries. ChemistryOpen 2019; 8:206-209. [PMID: 30815329 PMCID: PMC6376210 DOI: 10.1002/open.201800247] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [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: 11/09/2018] [Revised: 01/17/2019] [Indexed: 01/28/2023] Open
Abstract
Li‐O2 batteries (LOBs) with an extremely high theoretical energy density have been reported to be the most promising candidates for future electric storage systems. Porous catalysts can be beneficial for LOBs. Herein, 3D‐ordered macroporous La0.6Sr0.4Co0.2Fe0.8O3 perovskite oxides (3D‐LSCF) are applied as cathode catalysts in LOBs. With a high Brunauer‐Emmett‐Teller surface area (21.8 m2 g−1) and unique honeycomb‐like macroporous structure, the 3D‐LSCF catalysts possess a much higher efficiency than La0.6Sr0.4Co0.2Fe0.8O3 (LSCF) nanoparticles. The unique 3D‐ordered macropores play a significant role in the product deposition as well as oxygen and electrolyte transmission, which are crucial for the discharge‐charge processes of LOBs.
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Affiliation(s)
- Junfang Cheng
- Center for Fuel Cell Innovation Huazhong University of Science and Technology Wuhan 430074 China.,International Institute for Carbon-Neutral Energy Research (WPI-I2CNER) Kyushu University 744 Moto-oka Nishi-ku Fukuoka 819-0395 Japan
| | - Yuexing Jiang
- Center for Fuel Cell Innovation Huazhong University of Science and Technology Wuhan 430074 China
| | - Lu Zou
- Center for Fuel Cell Innovation Huazhong University of Science and Technology Wuhan 430074 China
| | - Ming Zhang
- Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 China
| | - Guozhu Zhang
- Institute for Materials Chemistry and Engineering Kyushu University 6-1 Kasuga-Koen, Kasuga Fukuoka 816-8580 Japan
| | - Ziling Wang
- Center for Fuel Cell Innovation Huazhong University of Science and Technology Wuhan 430074 China
| | - Yizhen Huang
- Center for Fuel Cell Innovation Huazhong University of Science and Technology Wuhan 430074 China
| | - Bo Chi
- Center for Fuel Cell Innovation Huazhong University of Science and Technology Wuhan 430074 China
| | - Jian Pu
- Center for Fuel Cell Innovation Huazhong University of Science and Technology Wuhan 430074 China
| | - Li Jian
- Center for Fuel Cell Innovation Huazhong University of Science and Technology Wuhan 430074 China
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28
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Shu C, Long J, Dou SX, Wang J. Component-Interaction Reinforced Quasi-Solid Electrolyte with Multifunctionality for Flexible Li-O 2 Battery with Superior Safety under Extreme Conditions. Small 2019; 15:e1804701. [PMID: 30632277 DOI: 10.1002/smll.201804701] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 11/30/2018] [Indexed: 06/09/2023]
Abstract
High-performance flexible lithium-oxygen (Li-O2 ) batteries with excellent safety and stability are urgently required due to the rapid development of flexible and wearable devices. Herein, based on an integrated solid-state design by taking advantage of component-interaction between poly(vinylidene fluoride-co-hexafluoropropylene) and nanofumed silica in polymer matrix, a stable quasi-solid-state electrolyte (PS-QSE) for the Li-O2 battery is proposed. The as-assembled Li-O2 battery containing the PS-QSE exhibits effectively improved anodic reversibility (over 200 cycles, 850 h) and cycling stability of the battery (89 cycles, nearly 900 h). The improvement is attributed to the stability of the PS-QSE (including electrochemical, chemical, and mechanical stability), as well as the effective protection of lithium anode from aggressive soluble intermediates generated in cathode. Furthermore, it is demonstrated that the interaction among the components plays a pivotal role in modulating the Li-ion conducting mechanism in the as-prepared PS-QSE. Moreover, the pouch-type PS-QSE based Li-O2 battery also shows wonderful flexibility, tolerating various deformations thanks to its integrated solid-state design. Furthermore, holes can be punched through the Li-O2 battery, and it can even be cut into any desired shape, demonstrating exceptional safety. Thus, this type of battery has the potential to meet the demands of tailorability and comformability in flexible and wearable electronics.
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Affiliation(s)
- Chaozhu Shu
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Dongsanlu, Erxianqiao, Chengdu, 610059, Sichuan, P. R. China
- Institute for Superconducting and Electronic Materials, University of Wollongong, Squires Way, North Wollongong, NSW, 2500, Australia
| | - Jianping Long
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Dongsanlu, Erxianqiao, Chengdu, 610059, Sichuan, P. R. China
| | - Shi-Xue Dou
- Institute for Superconducting and Electronic Materials, University of Wollongong, Squires Way, North Wollongong, NSW, 2500, Australia
| | - Jiazhao Wang
- Institute for Superconducting and Electronic Materials, University of Wollongong, Squires Way, North Wollongong, NSW, 2500, Australia
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Yang ZD, Yang XY, Liu T, Chang ZW, Yin YB, Zhang XB, Yan JM, Jiang Q. In Situ CVD Derived Co-N-C Composite as Highly Efficient Cathode for Flexible Li-O 2 Batteries. Small 2018; 14:e1800590. [PMID: 30047210 DOI: 10.1002/smll.201800590] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Revised: 05/15/2018] [Indexed: 05/27/2023]
Abstract
To promote the development of high energy Li-O2 batteries, it is important to design and construct a suitable and effective oxygen-breathing cathode. Herein, activated cobalt-nitrogen-doped carbon nanotube/carbon nanofiber composites (Co-N-CNT/CNF) as the effective cathodes for Li-O2 batteries are prepared by in situ chemical vapor deposition (CVD). The unique architecture of these electrodes facilitates the rapid oxygen diffusion and electrolyte penetration. Meanwhile, the nitrogen-doped carbon nanotube/carbon nanofiber (N-CNT/CNF) and Co/CoNx serve as reaction sites to promote the formation/decomposition of discharge product. Li-O2 batteries with Co-N-CNT/CNF cathodes exhibit superior electrochemical performance in terms of a positive discharge plateau (2.81 V) and a low charge overpotential (0.61 V). Besides, Li-O2 batteries also present a high discharge capacity (11512.4 mAh g-1 at 100 mA g-1 ), and a long cycle life (130 cycles). Meanwhile, the Co-N-CNT/CNF cathode also has an excellent flexibility, thus the assembled flexible battery with Co-N-CNT/CNF can work normally and hold a wonderful capacity rate under various bending conditions.
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Affiliation(s)
- Zhen-Dong Yang
- Key Laboratory of Automobile Materials (Jilin University) of Education, School of Materials Science and Engineering, Jilin University, Changchun, 130022, China
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Xiao-Yang Yang
- Key Laboratory of Automobile Materials (Jilin University) of Education, School of Materials Science and Engineering, Jilin University, Changchun, 130022, China
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Tong Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Zhi-Wen Chang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yan-Bin Yin
- Key Laboratory of Automobile Materials (Jilin University) of Education, School of Materials Science and Engineering, Jilin University, Changchun, 130022, China
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Xin-Bo Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Jun-Min Yan
- Key Laboratory of Automobile Materials (Jilin University) of Education, School of Materials Science and Engineering, Jilin University, Changchun, 130022, China
| | - Qing Jiang
- Key Laboratory of Automobile Materials (Jilin University) of Education, School of Materials Science and Engineering, Jilin University, Changchun, 130022, China
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30
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Huang Z, Ren J, Zhang W, Xie M, Li Y, Sun D, Shen Y, Huang Y. Protecting the Li-Metal Anode in a Li-O 2 Battery by using Boric Acid as an SEI-Forming Additive. Adv Mater 2018; 30:e1803270. [PMID: 30133016 DOI: 10.1002/adma.201803270] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 07/07/2018] [Indexed: 05/18/2023]
Abstract
The Li-O2 battery (LOB) is considered as a promising next-generation energy storage device because of its high theoretic specific energy. To make a practical rechargeable LOB, it is necessary to ensure the stability of the Li anode in an oxygen atmosphere, which is extremely challenging. In this work, an effective Li-anode protection strategy is reported by using boric acid (BA) as a solid electrolyte interface (SEI) forming additive. With the assistance of BA, a continuous and compact SEI film is formed on the Li-metal surface in an oxygen atmosphere, which can significantly reduce unwanted side reactions and suppress the growth of Li dendrites. Such an SEI film mainly consists of nanocrystalline lithium borates connected with amorphous borates, carbonates, fluorides, and some organic compounds. It is ionically conductive and mechanically stronger than conventional SEI layer in common Li-metal-based batteries. With these benefits, the cycle life of LOB is elongated more than sixfold.
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Affiliation(s)
- Zhimei Huang
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Jing Ren
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Wang Zhang
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Meilan Xie
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Yankai Li
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Dan Sun
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Yue Shen
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Yunhui Huang
- State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
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31
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Wang KX, Zhu QC, Chen JS. Strategies toward High-Performance Cathode Materials for Lithium-Oxygen Batteries. Small 2018; 14:e1800078. [PMID: 29750439 DOI: 10.1002/smll.201800078] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 02/09/2018] [Indexed: 06/08/2023]
Abstract
Rechargeable aprotic lithium (Li)-O2 batteries with high theoretical energy densities are regarded as promising next-generation energy storage devices and have attracted considerable interest recently. However, these batteries still suffer from many critical issues, such as low capacity, poor cycle life, and low round-trip efficiency, rendering the practical application of these batteries rather sluggish. Cathode catalysts with high oxygen reduction reaction (ORR) and evolution reaction activities are of particular importance for addressing these issues and consequently promoting the application of Li-O2 batteries. Thus, the rational design and preparation of the catalysts with high ORR activity, good electronic conductivity, and decent chemical/electrochemical stability are still challenging. In this Review, the strategies are outlined including the rational selection of catalytic species, the introduction of a 3D porous structure, the formation of functional composites, and the heteroatom doping which succeeded in the design of high-performance cathode catalysts for stable Li-O2 batteries. Perspectives on enhancing the overall electrochemical performance of Li-O2 batteries based on the optimization of the properties and reliability of each part of the battery are also made. This Review sheds some new light on the design of highly active cathode catalysts and the development of high-performance lithium-O2 batteries.
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Affiliation(s)
- Kai-Xue Wang
- Shanghai Electrochemical Energy Devices Research Center, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Qian-Cheng Zhu
- Shanghai Electrochemical Energy Devices Research Center, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
- Institute of Atomic and Molecular Science, Shaanxi University of Science and Technology, Shaanxi, 710021, P. R. China
| | - Jie-Sheng Chen
- Shanghai Electrochemical Energy Devices Research Center, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
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32
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Xu SM, Liang X, Ren ZC, Wang KX, Chen JS. Free-Standing Air Cathodes Based on 3D Hierarchically Porous Carbon Membranes: Kinetic Overpotential of Continuous Macropores in Li-O 2 Batteries. Angew Chem Int Ed Engl 2018; 57:6825-6829. [PMID: 29654611 DOI: 10.1002/anie.201801399] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 04/02/2018] [Indexed: 11/09/2022]
Abstract
Free-standing macroporous air electrodes with enhanced interfacial contact, rapid mass transport, and tailored deposition space for large amounts of Li2 O2 are essential for improving the rate performance of Li-O2 batteries. An ordered mesoporous carbon membrane with continuous macroporous channels was prepared by inversely topological transformation from ZnO nanorod array. Utilized as a free-standing air cathode for Li-O2 battery, the hierarchically porous carbon membrane shows superior rate performance. However, the increased cross-sectional area of the continuous macropores on the cathode surface leads to a kinetic overpotential with large voltage hysteresis and linear voltage variation against Butler-Volmer behavior. The kinetics were investigated based on the rate-determining step of second electron transfer accompanied by migration of Li+ in solid or quasi-solid intermediates. These discoveries shed light on the design of the air cathode for Li-O2 batteries with high-rate performance.
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Affiliation(s)
- Shu-Mao Xu
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Xiao Liang
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Zhi-Chu Ren
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Kai-Xue Wang
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Jie-Sheng Chen
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
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33
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Zhang Y, Wang L, Zhang X, Guo L, Wang Y, Peng Z. High-Capacity and High-Rate Discharging of a Coenzyme Q 10 -Catalyzed Li-O 2 Battery. Adv Mater 2018; 30:1705571. [PMID: 29226435 DOI: 10.1002/adma.201705571] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 10/24/2017] [Indexed: 06/07/2023]
Abstract
Discharging of the aprotic Li-O2 battery relies on O2 reduction to insulating solid Li2 O2 , which can either deposit as thin films on the cathode surface or precipitate as large particles in the electrolyte solution. Toward realizing Li-O2 batteries with high capacity and high rate capability, it is crucially important to discharge Li2 O2 in the electrolyte solution rather than on the cathode surface. Here, a soluble electrocatalyst of coenzyme Q10 (CoQ10 ) that can efficaciously drive solution phase formation of Li2 O2 in current benchmark ether-based Li-O2 batteries is reported, which would otherwise lead to Li2 O2 surface-film growth and premature cell death. In the range of current densities of 0.1-0.5 mA cm-2areal , the CoQ10 -catalyzed Li-O2 battery can deliver a discharge capacity that is ≈40-100 times what the pristine Li-O2 battery could achieve. The drastically enhanced electrochemical performance is attributed to the CoQ10 that not only efficiently mediates the electron transfer from the cathode to dissolve O2 but also strongly interacts with the newly formed Li2 O2 in solution retarding its precipitation on the cathode surface. The mediated oxygen reduction reaction and the bonding mechanism between CoQ10 and Li2 O2 are understood with density functional theory calculations.
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Affiliation(s)
- Yantao Zhang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, Jilin, 130022, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Liang Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, Jilin, 130022, P. R. China
- University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Xiaozheng Zhang
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Chemical Biology Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Limin Guo
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, Jilin, 130022, P. R. China
| | - Ying Wang
- State Key Laboratory of Rare Earth Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Zhangquan Peng
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, Jilin, 130022, P. R. China
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34
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Wang A, Tang S, Kong D, Liu S, Chiou K, Zhi L, Huang J, Xia YY, Luo J. Bending-Tolerant Anodes for Lithium-Metal Batteries. Adv Mater 2018; 30:1703891. [PMID: 29125657 DOI: 10.1002/adma.201703891] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 09/03/2017] [Indexed: 06/07/2023]
Abstract
Bendable energy-storage systems with high energy density are demanded for conformal electronics. Lithium-metal batteries including lithium-sulfur and lithium-oxygen cells have much higher theoretical energy density than lithium-ion batteries. Reckoned as the ideal anode, however, Li has many challenges when directly used, especially its tendency to form dendrite. Under bending conditions, the Li-dendrite growth can be further aggravated due to bending-induced local plastic deformation and Li-filaments pulverization. Here, the Li-metal anodes are made bending tolerant by integrating Li into bendable scaffolds such as reduced graphene oxide (r-GO) films. In the composites, the bending stress is largely dissipated by the scaffolds. The scaffolds have increased available surface for homogeneous Li plating and minimize volume fluctuation of Li electrodes during cycling. Significantly improved cycling performance under bending conditions is achieved. With the bending-tolerant r-GO/Li-metal anode, bendable lithium-sulfur and lithium-oxygen batteries with long cycling stability are realized. A bendable integrated solar cell-battery system charged by light with stable output and a series connected bendable battery pack with higher voltage is also demonstrated. It is anticipated that this bending-tolerant anode can be combined with further electrolytes and cathodes to develop new bendable energy systems.
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Affiliation(s)
- Aoxuan Wang
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
| | - Shan Tang
- State Key Laboratory of Structural Analysis for Industrial Equipment Department of Mechanics, Dalian University of Technology, Dalian, 116024, China
| | - Debin Kong
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Central for Nanoscience and Technology, Beijing, 100190, China
| | - Shan Liu
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
| | - Kevin Chiou
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Linjie Zhi
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Central for Nanoscience and Technology, Beijing, 100190, China
| | - Jiaxing Huang
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Yong-Yao Xia
- Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Institute of New Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Fudan University, Shanghai, 200433, China
| | - Jiayan Luo
- Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin, 300072, China
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35
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Liu T, Liu Z, Kim G, Frith JT, Garcia-Araez N, Grey CP. Understanding LiOH Chemistry in a Ruthenium-Catalyzed Li-O 2 Battery. Angew Chem Int Ed Engl 2017; 56:16057-16062. [PMID: 29058366 PMCID: PMC6033020 DOI: 10.1002/anie.201709886] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [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: 09/24/2017] [Indexed: 01/05/2023]
Abstract
Non-aqueous Li-O2 batteries are promising for next-generation energy storage. New battery chemistries based on LiOH, rather than Li2 O2 , have been recently reported in systems with added water, one using a soluble additive LiI and the other using solid Ru catalysts. Here, the focus is on the mechanism of Ru-catalyzed LiOH chemistry. Using nuclear magnetic resonance, operando electrochemical pressure measurements, and mass spectrometry, it is shown that on discharging LiOH forms via a 4 e- oxygen reduction reaction, the H in LiOH coming solely from added H2 O and the O from both O2 and H2 O. On charging, quantitative LiOH oxidation occurs at 3.1 V, with O being trapped in a form of dimethyl sulfone in the electrolyte. Compared to Li2 O2 , LiOH formation over Ru incurs few side reactions, a critical advantage for developing a long-lived battery. An optimized metal-catalyst-electrolyte couple needs to be sought that aids LiOH oxidation and is stable towards attack by hydroxyl radicals.
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Affiliation(s)
- Tao Liu
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Zigeng Liu
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Gunwoo Kim
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - James T Frith
- Department of Chemistry, University of Southampton, Highfield Campus, Southampton, SO17 1BJ, UK
| | - Nuria Garcia-Araez
- Department of Chemistry, University of Southampton, Highfield Campus, Southampton, SO17 1BJ, UK
| | - Clare P Grey
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
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36
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Yang C, Han J, Liu P, Hou C, Huang G, Fujita T, Hirata A, Chen M. Direct Observations of the Formation and Redox-Mediator-Assisted Decomposition of Li 2 O 2 in a Liquid-Cell Li-O 2 Microbattery by Scanning Transmission Electron Microscopy. Adv Mater 2017; 29:1702752. [PMID: 28892193 DOI: 10.1002/adma.201702752] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 07/26/2017] [Indexed: 06/07/2023]
Abstract
Operando scanning transmission electron microscopy observations of cathodic reactions in a liquid-cell Li-O2 microbattery in the presence of the redox mediator tetrathiafulvalene (TTF) in 1.0 m LiClO4 dissolved dimethyl sulfoxide electrolyte are reported. It is found that the TTF addition does not obviously affect the discharge reaction for the formation of a solid Li2 O2 phase. The coarsening of Li2 O2 nanoparticles occurs via both conventional Ostwald ripening and nonclassical crystallization by particle attachment. During charging, the oxidation reaction at significantly reduced charge potentials mainly takes place at Li2 O2 /electrolyte interfaces and has obvious correspondence with the oxidized TTF+ distributions in the electric fields of the charged electrode. This study provides direct evidence that TTF truly plays a role in promoting the decomposition of Li2 O2 as a soluble charge-transfer agent between the electrode and the Li2 O2 .
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Affiliation(s)
- Chuchu Yang
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Jiuhui Han
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Pan Liu
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Chen Hou
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Gang Huang
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Takeshi Fujita
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Akihiko Hirata
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Mingwei Chen
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
- CREST, JST, 4-1-8 Honcho Kawaguchi, Saitama, 332-0012, Japan
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, MD, 21214, USA
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37
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Zhou B, Guo L, Zhang Y, Wang J, Ma L, Zhang WH, Fu Z, Peng Z. A High-Performance Li-O 2 Battery with a Strongly Solvating Hexamethylphosphoramide Electrolyte and a LiPON-Protected Lithium Anode. Adv Mater 2017; 29:1701568. [PMID: 28585309 DOI: 10.1002/adma.201701568] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 04/19/2017] [Indexed: 06/07/2023]
Abstract
The aprotic Li-O2 battery has attracted a great deal of interest because theoretically it can store more energy than today's Li-ion batteries. However, current Li-O2 batteries suffer from passivation/clogging of the cathode by discharged Li2 O2 , high charging voltage for its subsequent oxidation, and accumulation of side reaction products (particularly Li2 CO3 and LiOH) upon cycling. Here, an advanced Li-O2 battery with a hexamethylphosphoramide (HMPA) electrolyte is reported that can dissolve Li2 O2 , Li2 CO3 , and LiOH up to 0.35, 0.36, and 1.11 × 10-3 m, respectively, and a LiPON-protected lithium anode that can be reversibly cycled in the HMPA electrolyte. Compared to the benchmark of ether-based Li-O2 batteries, improved capacity, rate capability, voltaic efficiency, and cycle life are achieved for the HMPA-based Li-O2 cells. More importantly, a combination of advanced research techniques provide compelling evidence that operation of the HMPA-based Li-O2 battery is backed by nearly reversible formation/decomposition of Li2 O2 with negligible side reactions.
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Affiliation(s)
- Bin Zhou
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
- Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
| | - Limin Guo
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
| | - Yantao Zhang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
| | - Jiawei Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
| | - Lipo Ma
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
| | - Wen-Hua Zhang
- Sichuan Research Center of New Materials, Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, Sichuan, 621900, P. R. China
| | - Zhengwen Fu
- Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Department of Chemistry and Laser Chemistry, Fudan University, Shanghai, 200433, P. R. China
| | - Zhangquan Peng
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, P. R. China
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38
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Yang XY, Xu JJ, Bao D, Chang ZW, Liu DP, Zhang Y, Zhang XB. High-Performance Integrated Self-Package Flexible Li-O 2 Battery Based on Stable Composite Anode and Flexible Gas Diffusion Layer. Adv Mater 2017; 29:1700378. [PMID: 28436600 DOI: 10.1002/adma.201700378] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 02/04/2017] [Indexed: 06/07/2023]
Abstract
With the rising development of flexible and wearable electronics, corresponding flexible energy storage devices with high energy density are required to provide a sustainable energy supply. Theoretically, rechargeable flexible Li-O2 batteries can provide high specific energy density; however, there are only a few reports on the construction of flexible Li-O2 batteries. Conventional flexible Li-O2 batteries possess a loose battery structure, which prevents flexibility and stability. The low mechanical strength of the gas diffusion layer and anode also lead to a flexible Li-O2 battery with poor mechanical properties. All these attributes limit their practical applications. Herein, the authors develop an integrated flexible Li-O2 battery based on a high-fatigue-resistance anode and a novel flexible stretchable gas diffusion layer. Owing to the synergistic effect of the stable electrocatalytic activity and hierarchical 3D interconnected network structure of the free-standing cathode, the obtained flexible Li-O2 batteries exhibit superior electrochemical performance, including a high specific capacity, an excellent rate capability, and exceptional cycle stability. Furthermore, benefitting from the above advantages, the as-fabricated flexible batteries can realize excellent mechanical and electrochemical stability. Even after a thousand cycles of the bending process, the flexible Li-O2 battery can still possess a stable open-circuit voltage, a high specific capacity, and a durable cycle performance.
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Affiliation(s)
- Xiao-Yang Yang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing, 100191, P. R. China
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Ji-Jing Xu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Di Bao
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Zhi-Wen Chang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Da-Peng Liu
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing, 100191, P. R. China
| | - Yu Zhang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing, 100191, P. R. China
| | - Xin-Bo Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
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39
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Ni W, Liu S, Fei Y, He Y, Ma X, Lu L, Deng Y. Preparation of Carbon Nanotubes/Manganese Dioxide Composite Catalyst with Fewer Oxygen-Containing Groups for Li-O 2 Batteries Using Polymerized Ionic Liquids as Sacrifice Agent. ACS Appl Mater Interfaces 2017; 9:14749-14757. [PMID: 28406287 DOI: 10.1021/acsami.6b16531] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Considering the significant influence of oxygen-containing groups on the surface of carbon involved electrodes, a carbon nanotube (CNT)-based MnO2 composite catalyst was synthesized following a facile method while using polymerized ionic liquids (PIL) as sacrifice agent. Herein, the PIL (polymerized hydrophobic 1-vinyl-3-ethylimidazolium bis ((trifluoromethyl)sulfonyl)imide) wrapped CNTs were prepared. The composite was applied to support MnO2 by the treatment of KMnO4 solution, taking advantage of the reaction between PIL and KMnO4, which excludes or suppresses the oxidation of CNTs, and the as-synthesized material with fewer oxygen-containing groups acted as a cathode catalyst for Li-O2 batteries, directly avoiding the application of binders. The catalyst shows enhanced activity compared to that of the samples without PIL, as verified by the lower overpotential during discharging and charging (0.97 V at the current density of 100 mA g-1). Meanwhile, the performance parameters such as Coulombic efficiency and rate capability were also improved for the Li-O2 battery utilizing this catalyst. Further, the formation of confined Li2O2 particles could be responsible for the reduction of charge potential of Li-O2 batteries due to the synergy effect of the intrinsic catalytic activity of MnO2 and fewer oxygen functional groups on the catalyst surface.
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Affiliation(s)
- Wenpeng Ni
- Centre for Green Chemistry and Catalysis, State Key Laboratory for Oxo Synthesis and Selective Oxidation, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou 730000, China
- University of Chinese Academy of Sciences , Beijing 100039, China
| | - Shimin Liu
- Centre for Green Chemistry and Catalysis, State Key Laboratory for Oxo Synthesis and Selective Oxidation, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou 730000, China
| | - Yuqing Fei
- Centre for Green Chemistry and Catalysis, State Key Laboratory for Oxo Synthesis and Selective Oxidation, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou 730000, China
- University of Chinese Academy of Sciences , Beijing 100039, China
| | - Yude He
- Centre for Green Chemistry and Catalysis, State Key Laboratory for Oxo Synthesis and Selective Oxidation, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou 730000, China
| | - Xiangyuan Ma
- Centre for Green Chemistry and Catalysis, State Key Laboratory for Oxo Synthesis and Selective Oxidation, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou 730000, China
| | - Liujin Lu
- Centre for Green Chemistry and Catalysis, State Key Laboratory for Oxo Synthesis and Selective Oxidation, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou 730000, China
| | - Youquan Deng
- Centre for Green Chemistry and Catalysis, State Key Laboratory for Oxo Synthesis and Selective Oxidation, State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences , Lanzhou 730000, China
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Liu T, Xu JJ, Liu QC, Chang ZW, Yin YB, Yang XY, Zhang XB. Ultrathin, Lightweight, and Wearable Li-O 2 Battery with High Robustness and Gravimetric/Volumetric Energy Density. Small 2017; 13:1602952. [PMID: 27860256 DOI: 10.1002/smll.201602952] [Citation(s) in RCA: 21] [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: 09/03/2016] [Revised: 10/07/2016] [Indexed: 06/06/2023]
Abstract
An ultrathin, lightweight, and wearable Li-O2 battery with a novel segmented structure is first fabricated by employing a "break up the whole into parts" strategy. Superior battery performance including low overpotential, high specific capacity, good rate capability, excellent cycle stability, and high gravimetric/volumetric energy density (294.68 Wh kg-1 /274.06 Wh L-1 ) is successfully achieved even under repeatedly various deformation.
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Affiliation(s)
- Tong Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Changzhou Institute of Energy Storage Materialsand Devices, Changzhou, 213000, P. R. China
- University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Ji-Jing Xu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Changzhou Institute of Energy Storage Materialsand Devices, Changzhou, 213000, P. R. China
| | - Qing-Chao Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Key Laboratory of Automobile Materials (Jilin University), Ministry of Education, Department of Materials Science and Engineering, Jilin University, Changchun, 130022, China
| | - Zhi-Wen Chang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Changzhou Institute of Energy Storage Materialsand Devices, Changzhou, 213000, P. R. China
- University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Yan-Bin Yin
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Key Laboratory of Automobile Materials (Jilin University), Ministry of Education, Department of Materials Science and Engineering, Jilin University, Changchun, 130022, China
| | - Xiao-Yang Yang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Key Laboratory of Automobile Materials (Jilin University), Ministry of Education, Department of Materials Science and Engineering, Jilin University, Changchun, 130022, China
| | - Xin-Bo Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Changzhou Institute of Energy Storage Materialsand Devices, Changzhou, 213000, P. R. China
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41
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Xu JJ, Chang ZW, Wang Y, Liu DP, Zhang Y, Zhang XB. Cathode Surface-Induced, Solvation-Mediated, Micrometer-Sized Li 2 O 2 Cycling for Li-O 2 Batteries. Adv Mater 2016; 28:9620-9628. [PMID: 27634572 DOI: 10.1002/adma.201603454] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 07/26/2016] [Indexed: 05/29/2023]
Abstract
The "nonsticky" surface of a highly stable RuO2 /carbon nanotube cathode enhances the formation and decomposition of cathode surface-induced, solvation-mediated, micrometer-sized discharge products Li2 O2 in Li-O2 batteries and thus significantly improves the specific capacity, overpotentials, and cycle life. These findings contribute to a new understanding how the cathode surface controls Li-O2 electrochemistry.
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Affiliation(s)
- Ji-Jing Xu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Zhi-Wen Chang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ying Wang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Da-Peng Liu
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing, 100191, P. R. China
| | - Yu Zhang
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry and Environment, Beihang University, Beijing, 100191, P. R. China
| | - Xin-Bo Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
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42
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Yin YB, Xu JJ, Liu QC, Zhang XB. Macroporous Interconnected Hollow Carbon Nanofibers Inspired by Golden-Toad Eggs toward a Binder-Free, High-Rate, and Flexible Electrode. Adv Mater 2016; 28:7494-500. [PMID: 27348717 DOI: 10.1002/adma.201600012] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2016] [Revised: 05/03/2016] [Indexed: 05/18/2023]
Abstract
Inspired by the favorable structure and shape of golden-toad eggs, a self-standing macroporous active carbon fiber electrode is designed and fabricated via a facile and scalable strategy. After being decorated with ruthenium oxide, it endows Li-O2 batteries with superior electrochemical performances.
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Affiliation(s)
- Yan-Bin Yin
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Key Laboratory of Automobile Materials Ministry of Education and College of Materials Science and Engineering, Jilin University, Changchun, 130012, P. R. China
| | - Ji-Jing Xu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Qing-Chao Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- Key Laboratory of Automobile Materials Ministry of Education and College of Materials Science and Engineering, Jilin University, Changchun, 130012, P. R. China
| | - Xin-Bo Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China.
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43
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Abstract
A novel cable-type water-survivable flexible Li-O2 battery is developed with a hydrophobic and free standing gel polymer electrolyte. Superior battery performances are successfully achieved under mechanical twisting, bending, and even immersed in water conditions, showing the high promise to power next-generation versatile flexible electronics.
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Affiliation(s)
- Tong Liu
- State Key Laboratory of Rare Earth, Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qing-Chao Liu
- State Key Laboratory of Rare Earth, Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
- School of Materials Science and Engineering, Jilin University, Changchun, 130012, China
| | - Ji-Jing Xu
- State Key Laboratory of Rare Earth, Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
| | - Xin-Bo Zhang
- State Key Laboratory of Rare Earth, Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
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44
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Luo WB, Gao XW, Shi DQ, Chou SL, Wang JZ, Liu HK. Binder-Free and Carbon-Free 3D Porous Air Electrode for Li-O2 Batteries with High Efficiency, High Capacity, and Long Life. Small 2016; 12:3031-3038. [PMID: 27120699 DOI: 10.1002/smll.201600699] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 03/14/2016] [Indexed: 06/05/2023]
Abstract
Pt-Gd alloy polycrystalline thin film is deposited on 3D nickel foam by pulsed laser deposition method serving as a whole binder/carbon-free air electrode, showing great catalytic activity enhancement as an efficient bifunctional catalyst for the oxygen reduction and evolution reactions in lithium oxygen batteries. The porous structure can facilitate rapid O2 and electrolyte diffusion, as well as forming a continuous conductive network throughout the whole energy conversion process. It shows a favorable cycle performance in the full discharge/charge model, owing to the high catalytic activity of the Pt-Gd alloy composite and 3D porous nickel foam structure. Specially, excellent cycling performance under capacity limited mode is also demonstrated, in which the terminal discharge voltage is higher than 2.5 V and the terminal charge voltage is lower than 3.7 V after 100 cycles at a current density of 0.1 mA cm(-2) . Therefore, this electrocatalyst is a promising bifunctional electrocatalyst for lithium oxygen batteries and this depositing high-efficient electrocatalyst on porous substrate with polycrystalline thin film by pulsed laser deposition is also a promising technique in the future lithium oxygen batteries research.
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Affiliation(s)
- Wen-Bin Luo
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Xuan-Wen Gao
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Dong-Qi Shi
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Shu-Lei Chou
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Jia-Zhao Wang
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Hua-Kun Liu
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
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45
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Liu QC, Li L, Xu JJ, Chang ZW, Xu D, Yin YB, Yang XY, Liu T, Jiang YS, Yan JM, Zhang XB. Flexible and Foldable Li-O2 Battery Based on Paper-Ink Cathode. Adv Mater 2015; 27:8095-101. [PMID: 26515976 DOI: 10.1002/adma.201503025] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Revised: 08/20/2015] [Indexed: 05/15/2023]
Abstract
A flexible freestanding air cathode inspired by traditional Chinese calligraphy art is built. When this novel electrode is employed as both a new concept cathode and current collector, to replace conventional rigid and bulky counterparts, a highly flexible and foldable Li-O2 battery with excellent mechanical strength and superior electrochemical performance is obtained.
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Affiliation(s)
- Qing-Chao Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
- School of Materials Science and Engineering, Jilin University, Changchun, 130012, P.R. China
| | - Lin Li
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
- School of Materials Science and Engineering, Jilin University, Changchun, 130012, P.R. China
| | - Ji-Jing Xu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
| | - Zhi-Wen Chang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P.R. China
| | - Dan Xu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
| | - Yan-Bin Yin
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
- School of Materials Science and Engineering, Jilin University, Changchun, 130012, P.R. China
| | - Xiao-Yang Yang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
- School of Materials Science and Engineering, Jilin University, Changchun, 130012, P.R. China
| | - Tong Liu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P.R. China
| | - Yin-Shan Jiang
- School of Materials Science and Engineering, Jilin University, Changchun, 130012, P.R. China
| | - Jun-Min Yan
- School of Materials Science and Engineering, Jilin University, Changchun, 130012, P.R. China
| | - Xin-Bo Zhang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P.R. China
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46
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Luo WB, Gao XW, Chou SL, Wang JZ, Liu HK. Porous AgPd-Pd Composite Nanotubes as Highly Efficient Electrocatalysts for Lithium-Oxygen Batteries. Adv Mater 2015; 27:6862-9. [PMID: 26402862 DOI: 10.1002/adma.201502262] [Citation(s) in RCA: 32] [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] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 06/26/2015] [Indexed: 05/28/2023]
Abstract
Porous AgPd-Pd composite nanotubes (NTs) are used as an efficient bifunctional catalyst for the oxygen reduction and evolution reactions in lithium-oxygen batteries. The porous NT structure can facilitate rapid O2 and electrolyte diffusion through the NTs and provide abundant catalytic sites, forming a continuous conductive network throughout the entire energy conversion process, with excellent cycling performance.
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Affiliation(s)
- Wen-Bin Luo
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Xuan-Wen Gao
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Shu-Lei Chou
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Jia-Zhao Wang
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
| | - Hua-Kun Liu
- Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW, 2522, Australia
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47
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Guo X, Liu P, Han J, Ito Y, Hirata A, Fujita T, Chen M. 3D Nanoporous Nitrogen-Doped Graphene with Encapsulated RuO2 Nanoparticles for Li-O2 Batteries. Adv Mater 2015; 27:6137-43. [PMID: 26331613 DOI: 10.1002/adma.201503182] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 07/22/2015] [Indexed: 05/18/2023]
Abstract
Freestanding nanoporous N-doped graphene with encapsulated RuO2 nanoparticles is developed as a cathode for rechargeable Li-O2 batteries. The stabilized metal oxide catalyst reduces charge overpotentials enabling high-efficiency rechargeable Li-O2 batteries with a long cycling lifetime. This has important implications for the development of highly stable and catalytically active graphene-based cathodes for rechargeable Li-O2 batteries.
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Affiliation(s)
- Xianwei Guo
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
- CREST, Japan Science and Technology Agency (JST), Saitama, 332-0012, Japan
| | - Pan Liu
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
- CREST, Japan Science and Technology Agency (JST), Saitama, 332-0012, Japan
| | - Jiuhui Han
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Yoshikazu Ito
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
- CREST, Japan Science and Technology Agency (JST), Saitama, 332-0012, Japan
| | - Akihiko Hirata
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
- CREST, Japan Science and Technology Agency (JST), Saitama, 332-0012, Japan
| | - Takeshi Fujita
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
| | - Mingwei Chen
- WPI Advanced Institute for Materials Research, Tohoku University, Sendai, 980-8577, Japan
- CREST, Japan Science and Technology Agency (JST), Saitama, 332-0012, Japan
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
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48
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Sharon D, Hirsberg D, Afri M, Chesneau F, Lavi R, Frimer AA, Sun YK, Aurbach D. Catalytic Behavior of Lithium Nitrate in Li-O2 Cells. ACS Appl Mater Interfaces 2015; 7:16590-16600. [PMID: 26158598 DOI: 10.1021/acsami.5b04145] [Citation(s) in RCA: 32] [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] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The development of a successful Li-O2 battery depends to a large extent on the discovery of electrolyte solutions that remain chemically stable through the reduction and oxidation reactions that occur during cell operations. The influence of the electrolyte anions on the behavior of Li-O2 cells was thought to be negligible. However, it has recently been suggested that specific anions can have a dramatic effect on the chemistry of a Li-O2 cell. In the present paper, we describe how LiNO3 in polyether solvents can improve both oxygen reduction (ORR) and oxygen evolution (OER) reactions. In particular, the nitrate anion can enhance the ORR by enabling a mechanism that involves solubilized species like superoxide radicals, which allows for the formation of submicronic Li2O2 particles. Such phenomena were also observed in Li-O2 cells with high donor number solvents, such as dimethyl sulfoxide dimethylformamide (DMF) and dimethylacetamide (DMA). Nevertheless, their instability toward oxygen reduction, lithium metals, and high oxidation potentials renders them less suitable than polyether solvents. In turn, using catalysts like LiI to reduce the OER overpotential might enhance parasitic reactions. We show herein that LiNO3 can serve as an electrolyte and useful redox mediator. NO2(-) ions are formed by the reduction of nitrate ions on the anode. Their oxidation forms NO2, which readily oxidizes to Li2O2. The latter process moves the OER overpotentials down into a potential window suitable for polyether solvent-based cells. Advanced analytical tools, including in situ electrochemical quartz microbalance (EQCM) and ESR plus XPS, HR-SEM, and impedance spectroscopy, were used for the studies reported herein.
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Affiliation(s)
- Daniel Sharon
- †Department of Chemistry, Bar Ilan University, Ramat-Gan 52900, Israel
| | - Daniel Hirsberg
- †Department of Chemistry, Bar Ilan University, Ramat-Gan 52900, Israel
| | - Michal Afri
- †Department of Chemistry, Bar Ilan University, Ramat-Gan 52900, Israel
| | | | - Ronit Lavi
- †Department of Chemistry, Bar Ilan University, Ramat-Gan 52900, Israel
| | - Aryeh A Frimer
- †Department of Chemistry, Bar Ilan University, Ramat-Gan 52900, Israel
| | - Yang-Kook Sun
- §Department of Energy Engineering, Hanyang University, Seoul 133-791, South Korea
| | - Doron Aurbach
- †Department of Chemistry, Bar Ilan University, Ramat-Gan 52900, Israel
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49
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Feng N, He P, Zhou H. Enabling catalytic oxidation of Li2O2 at the liquid-solid interface: the evolution of an aprotic Li-O2 battery. ChemSusChem 2015; 8:600-602. [PMID: 25641874 DOI: 10.1002/cssc.201403338] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2014] [Indexed: 06/04/2023]
Abstract
We show that by using a suitable soluble redox mediator, the charging overpotential can be reduced and the round-trip efficiency can be improved in an aprotic Li-O2 battery. Not only do we explore a new redox couple, 10-methyl-10H-phenothiazine, as a soluble catalyst that improves the electrochemical performance, but we also propose possible challenges that need to be overcome for the future improvement of aprotic Li-O2 batteries.
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Affiliation(s)
- Ningning Feng
- College of Engineering and Applied Science, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, Jiangsu, 210093 (P.R. China)
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50
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Zhang T, Matsuda H, Zhou H. Gel-derived cation-π stacking films of carbon nanotube-graphene complexes as oxygen cathodes. ChemSusChem 2014; 7:2845-2852. [PMID: 25164151 DOI: 10.1002/cssc.201402567] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Indexed: 06/03/2023]
Abstract
A key challenge in processing carbon nanotubes and their composites for large-scale applications is aggregation. Cation-π stacking interactions have been discovered to disperse heavily entangled single-walled carbon nanotube (SWNT) bundles in ionic liquids (ILs). In this work, we found that a dispersible, silky single-layer graphene (SLG) can be readily gathered together to form a crosslinked gel after entrapping sufficient IL molecular via the likely noncovalent interaction. By incorporating the dispersed SWNTs into the gathered SLG gel synchronously, we prepared solid, finely crosslinked SWNTs-SLG films, assisted by an avenue of 2-step extraction to remove the IL completely. The gel-derived SWNTs-SLG complex film was applied as a support material of oxygen cathodes for Li-O2 batteries. It exhibited a remarkable improved cycleability in comparison to made of SWNTs and SLG alone due to the finely crosslinked feature. Decorated SWNTs and SLG can also form gel-derived complexes via the same process to construct support-catalyst complexes. A SWNTs-SLG film loaded with Ru nanoparticles exhibited not only catalytic effects, but also the ability to suppress the side reactions, and hence stabilized the whole Li-O2 battery. Our research introduces a gel-derived, high-dispersed processing of carbon nanotube-graphene complexes and demonstrates their favorable applications on Li-O2 batteries.
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Affiliation(s)
- Tao Zhang
- Energy Technology Research Institute, National Institute of Industrial Science and Technology (AIST), Umezono 1-1-1, Tsukuba, Ibaraki 305-8568 (Japan)
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