The promises, challenges and pathways to room-temperature sodium-sulfur batteries

查看全文 作　　者：Lei [1]Wang;Tao [1]Wang;Lele [2]Peng;Yiliu [1]Wang;Meng [1]Zhang;Jian [1]Zhou;Maoxin [1]Chen;Jinhui [1]Cao;Huilong [1]Fei;Xidong [1]Duan;Jian [1]Zhu;Xiangfeng [2]Duan

机构地区：[1]State Key Laboratory for Chemo/Biosensing and Chemometrics,and College of Chemistry and Chemical Engineering,Hunan Key Laboratory of Two-Dimensional Materials,Hunan University,Changsha 410082,China;[2]Department of Chemistry and Biochemistry,University of California,Los Angeles,Los Angeles,CA 90095,USA

出　　处：《National Science Review》索引2022年第9卷第3期,共25页

基　　金：support by the National Natural Science Foundation of China(52074113 and 22005091);the Fundamental Research Funds of the Central Universities(531107051048);support by the National Natural Science Foundation of China(51991343,51991340,61804050 and51872086);the Hunan Key Laboratory of Two-Dimensional Materials(2018TP1010);support by the National Natural Science Foundation of China(22005092);the China Postdoctoral Science Foundation funded project(2020M672490 and 2020TQ0091);support by the China Postdoctoral Science Foundation funded project(2019M652757)。 摘　　要：Room-temperature sodium-sulfur batteries(RT-Na-S batteries) are attractive for large-scale energy storage applications owing to their high storage capacity as well as the rich abundance and low cost of the materials.Unfortunately, their practical application is hampered by severe challenges, such as low conductivity of sulfur and its reduced products, volume expansion, polysulfide shuttling effect and Na dendrite formation,which can lead to rapid capacity fading. The review discusses the Na-S-energy-storage chemistry,highlighting its promise, key challenges and potential strategies for large-scale energy storage systems.Specifically, we review the electrochemical principles and the current technical challenges of RT-Na-S batteries, and discuss the strategies to address these obstacles. In particular, we give a comprehensive review of recent progresses in cathodes, anodes, electrolytes, separators and cell configurations, and provide a forward-looking perspective on strategies toward robust high-energy-density RT-Na-S batteries. 关键词：room-temperature sodium-sulfur batteries sulfur cathodes polysulfide shuttling effects Na dendrite formation electrocatalysis

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The promises, challenges and pathways to room-temperature sodium-sulfur batteries

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