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Reinventing the mechanism of high-performance Bi anode in aqueous K^+ rechargeable batteries

Reinventing the mechanism of high-performance Bi anode in aqueous K+ rechargeable batteries

作     者:Tingting Qin Xuefeng Chu Ting Deng Boran Wang Xiaoyu Zhang Taowen Dong Zhengming Li Xiaofeng Fan Xin Ge Zizhun Wang Peng Wang Wei Zhang Weitao Zheng Tingting Qin;Xuefeng Chu;Ting Deng;Boran Wang;Xiaoyu Zhang;Taowen Dong;Zhengming Li;Xiaofeng Fan;Xin Ge;Zizhun Wang;Peng Wang;Wei Zhang;Weitao Zheng

作者机构:State Key Laboratory of Automotive Simulation and Controland School of Materials Science&Engineeringand Electron Microscopy Centerand International Center of Future ScienceJilin UniversityChangchun 130012JilinChina Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan 430074HubeiChina Key Laboratory of Architectural Cold Climate Energy ManagementMinistry of EducationJilin Jianzhu UniversityChangchun 130118JilinChina State Key Laboratory of Inorganic Synthesis&Preparative ChemistryCollege of ChemistryJilin UniversityChangchun 130012JilinChina Basque Foundation for ScienceIKERBASQUEBilbao 48013Spain 

出 版 物:《Journal of Energy Chemistry》 (能源化学(英文版))

年 卷 期:2020年第29卷第9期

页      面:21-28,I0002页

核心收录:

学科分类:0808[工学-电气工程] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程(可授工学、理学学位)] 

基  金:financial support provided by the National Natural Science Foundation of China(Grant Nos.51932003,51872115 and 51802110) 2020 International Cooperation Project of the Department of Science and Technology of Jilin Province,Program for the Development of Science and Technology of Jilin Province(20190201309JC) Jilin Province/Jilin University Co-Construction Project Funds for New Materials(SXGJSF2017-3,Branch-2/440050316A36) the Open Project Program of Wuhan National Laboratory for Optoelectronics(2018WNLOKF022) Program for JLU Science and Technology Innovative Research Team(JLUSTIRT,2017TD-09) the Fundamental Research Funds for the Central Universities JLU,“Double-First Class”Discipline for Materials Science&Engineering 

主  题:Aqueous rechargeable batteries Bi anode K^+ Alloying Mechanism 

摘      要:Increasing attention has been paid to rechargeable aqueous batteries due to their high safety and low ***,they remain in their infancy because of the limited choice of available anode materials with high specific capacity and satisfying cycling *** metal with layered structure can act as an ideal anode material with high capacity;however,the energy storage mechanism has not well ***,we demonstrate that Bi metal enables affording ultra-high specific capacity(254.3 mAh g^-1),superior rate capability and a capacity retention of 88.8%after 1600 *** from the previously-reported redox reaction mechanisms of Bi electrode,efficient(de)alloying of K+is responsible for its excellent *** excellent aqueous Bi battery is fabricated by matching Bi anode with Co(OH)2 cathode in KOH(1 M)*** outstanding performance is quite adequate and competitive for electrochemical energy storage devices.

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