Volume 9, Issue 2 2000700
Review

The Insights of Lithium Metal Plating/Stripping in Porous Hosts: Progress and Perspectives

Ying-Xin Zhan

Ying-Xin Zhan

School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081 China

Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, 100081 China

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Peng Shi

Peng Shi

Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084 China

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Xue-Qiang Zhang

Xue-Qiang Zhang

Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084 China

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Fei Ding

Fei Ding

Science and Technology on Power Sources Laboratory, Tianjin Institute of Power Sources, Tianjin, 300384 China

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Jia-Qi Huang

Corresponding Author

Jia-Qi Huang

School of Materials Science and Engineering, Beijing Institute of Technology, Beijing, 100081 China

Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing, 100081 China

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Zhehui Jin

Zhehui Jin

School of Mining and Petroleum Engineering, Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB, T6G 1H9 Canada

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Rong Xiang

Rong Xiang

Department of Mechanical Engineering, The University of Tokyo, Tokyo, 113-8656 Japan

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Xingjiang Liu

Corresponding Author

Xingjiang Liu

Science and Technology on Power Sources Laboratory, Tianjin Institute of Power Sources, Tianjin, 300384 China

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Qiang Zhang

Corresponding Author

Qiang Zhang

Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing, 100084 China

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First published: 05 December 2020
Citations: 47

Abstract

Lithium (Li) metal is strongly regarded as a promising anode for next-generation secondary batteries. However, the nonuniform plating/stripping and volume fluctuation of the Li metal anode give rise to low Coulombic efficiency and short lifespan of Li metal batteries, which hinder practical applications of the Li metal anode. A composite Li metal anode that employs a stable porous host has been proposed as a promising strategy to regulate the behaviors of Li plating/stripping and relieve volume fluctuation. In a porous host, the basic building block is a pore. The pore structure affects the distribution of electric and Li-ion concentration fields during Li plating/stripping, thus regulating Li plating/stripping and the lifespan of the composite Li metal anode. Therefore, herein, the recent progress in investigating the behavior of Li plating/stripping in a pore based on liquid electrolytes is summarized from the aspects of pore diameter, depth, and tortuosity. Furthermore, the perspectives of rational design of the pore structure for a composite Li metal anode are presented to promote the development of Li metal anodes.

Conflict of Interest

The authors declare no conflict of interest.

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