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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
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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.
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)
出处 《Science Bulletin》 SCIE EI CAS CSCD 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)。
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