Understanding the lithium dendrites growth in garnet-based solid-state lithium metal batteries

Chen, Yuncai and Jiang, Yidong and Chi, Shang-Sen and Woo, Haw Jiunn and Yu, Kai and Ma, Jun and Wang, Jun and Wang, Chaoyang and Deng, Yonghong (2022) Understanding the lithium dendrites growth in garnet-based solid-state lithium metal batteries. Journal of Power Sources, 521. ISSN 0378-7753, DOI https://doi.org/10.1016/j.jpowsour.2021.230921.

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Garnet-based solid-state lithium (Li) metal batteries are regarded as one of the most promising high-energy-density and high-safety batteries because of the broad electrochemical stability window and high Li ion conductivity of garnet electrolytes, as well as their excellent chemical stability against Li metal. However, during the practical batteries cycling, it is found that Li dendrites grow in the interior of garnet, especially in the grain boundary, thus leading to the short circuit of the working batteries, which seriously hinders the application of garnet-based Li metal batteries. In this review, we summarize the Li dendrites growth mechanism, characterization techniques, and the interfacial issue of garnet-based solid-state Li metal batteries. Meanwhile, the strategies for regulating Li dendrites growth are also analyzed. In addition, the further perspective and some suggestions are proposed to develop garnet-based solid-state Li metal batteries. This review tends to show fresh views on the understanding of Li dendrites growth mechanism in garnet electrolytes and the rational design of interfacial layer for regulating dendrites and manufacturing the batteries when pairing with Li metal anode.

Item Type: Article
Funders: Key-Area Research and Development Program of Guangdong Province [2020B090919001], National Natural Science Foundation of China (NSFC) [22078144], Guangdong Natural Science Foundation for Basic and Applied Basic Research [2021A1515010138], Guangdong Basic and Applied Basic Research Foundation [2019A1515110897], Foundation for Young Talents in Higher Education of Guangdong [2019KQNCX129]
Uncontrolled Keywords: Lithium metal batteries; Solid-state electrolytes; Garnet; Lithium dendrites; Interfacial layers
Subjects: Q Science > QD Chemistry
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 08 Aug 2022 01:23
Last Modified: 08 Aug 2022 01:23
URI: http://eprints.um.edu.my/id/eprint/33354

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