水锌离子电池用钒基正极材料的低电流密度稳定性  

Low-current-density stability of vanadium-based cathodes for aqueous zinc-ion batteries

作　　者：窦欣月 谢雪芳 梁叔 方国赵 Xinyue Dou;Xuefang Xie;Shuquan Liang;Guozhao Fang(School of Materials Science and Engineering,Key Laboratory of Electronic Packaging and Advanced Functional Materials of Hunan Province,Central South University,Changsha 410083,China;College of Physical Science and Technology,Xinjiang University,Urumqi 830017,China)

机构地区：[1]School of Materials Science and Engineering,Key Laboratory of Electronic Packaging and Advanced Functional Materials of Hunan Province,Central South University,Changsha 410083,China [2]College of Physical Science and Technology,Xinjiang University,Urumqi 830017,China

出　　处：《Science Bulletin》2024年第6期833-845,共13页科学通报（英文版）

基　　金：supported by the National Natural Science Foundation of China(52072411);the Scientific Research Program of the Higher Education Institution of Xinjiang(XJEDU2022P001);the Central South University Innovation-Driven Research Programme(2023CXQD038);the National Key Research and Development Program of China(2023YFC2908305)。

摘　　要：Vanadium-based cathodes have received widespread attention in the field of aqueous zinc-ion batteries,presenting a promising prospect for stationary energy storage applications.However,the rapid capacity decay at low current densities has hampered their development.In particular,capacity stability at low current densities is a requisite in numerous practical applications,typically encompassing peak load regulation of the electricity grid,household energy storage systems,and uninterrupted power supplies.Despite possessing notably high specific capacities,vanadium-based materials exhibit severe instability at low current densities.Moreover,the issue of stabilizing electrode reactions at these densities for vanadium-based materials has been explored insufficiently in existing research.This review aims to investigate the matter of stability in vanadium-based materials at low current densities by concentrating on the mechanisms of capacity fading and optimization strategies.It proposes a comprehensive approach that includes electrolyte optimization,electrode modulation,and electrochemical operational conditions.Finally,we presented several crucial prospects for advancing the practical development of vanadium-based aqueous zinc-ion batteries.

关 键 词：Vanadium-based cathodes Low current density Capacity fading Zinc-ion batteries Stationary energy storage 

分 类 号：TM912[电气工程—电力电子与电力传动] TB34[一般工业技术—材料科学与工程]