Issue 9, 2023

Ion modulation engineering toward stable lithium metal anodes

Abstract

Homogeneous ion transport during Li+ plating/stripping plays a significant role in the stability of Li metal anodes (LMAs) and the electrochemical performance of Li metal batteries (LMBs). Controlled ion transport with uniform Li+ distribution is expected to suppress notorious Li dendrite growth while stabilizing the susceptible solid electrolyte interfacial (SEI) film and optimizing the electrochemical stability. Here, we are committed to rendering a comprehensive study of Li+ transport during the Li plating/stripping process related to the interactions between the Li dendrites and SEI film. Moreover, rational ion modulation strategies based on functional separators, artificial SEI films, solid-state electrolytes and structured anodes are introduced to homogenize Li+ flux and stabilize the lithium metal surface. Finally, the current issues and potential opportunities for ion transport regulation to boost the high energy density of LMBs are described.

Graphical abstract: Ion modulation engineering toward stable lithium metal anodes

Article information

Article type
Review Article
Submitted
16 3 2023
Accepted
10 5 2023
First published
16 5 2023

Mater. Horiz., 2023,10, 3218-3236

Ion modulation engineering toward stable lithium metal anodes

C. Wang, J. Zhu, Y. Jin, J. Liu, H. Wang and Q. Zhang, Mater. Horiz., 2023, 10, 3218 DOI: 10.1039/D3MH00403A

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