Strategies to regulate the interface between Li metal anodes and all-solid-state electrolytes

Yi Peng; Xiaosong Xiong; Weijia Fan; Wanjie Gao; Xinbing Cheng; Jiarui He; Lijun Fu; Teunis van Ree; Tao Wang; Yuping Wu

doi:10.1039/D3QM01023F

Strategies to regulate the interface between Li metal anodes and all-solid-state electrolytes

Yi Peng,

^a Xiaosong Xiong,^a Weijia Fan,^a Wanjie Gao,^a Xinbing Cheng,

^a Jiarui He,^a Lijun Fu,

^b Teunis van Ree,^c Tao Wang

*^a and Yuping Wu

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, Confucius Energy Storage Lab, School of Energy and Environment, Southeast University, Nanjing, China
E-mail: wangtao2021@seu.edu.cn, wuyp@seu.edu.cn

^b School of Energy Science and Engineering, Nanjing Tech University, Nanjing 211816, China

^c Department of Chemistry, University of Venda, Thohoyandou 0950, South Africa

Abstract

All-solid state lithium metal batteries (ASSLMBs) with high energy density using lithium metal anodes (LMAs) and high safety all-solid-state electrolytes (ASSEs) are considered as a good choice for the next generation electrochemical energy storage devices. However, there are many challenges for their practical applications, especially the issues of the ASSE–LMA interface. In this review, the problems arising from the combination of LMAs and ASSEs and their modification strategies are summarized. We first introduce the current characterization techniques for the interface. Then the existing problems at the interface and analysis of the causes of these problems are presented. In addition, strategies to regulate the interface based on these problems are summarized. Finally, some further research directions for the interfaces of ASSLMBs are pointed out.

This article is part of the themed collection: 2024 Materials Chemistry Frontiers Review-type Articles

Materials Chemistry Frontiers

Strategies to regulate the interface between Li metal anodes and all-solid-state electrolytes

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Strategies to regulate the interface between Li metal anodes and all-solid-state electrolytes

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