Issue 34, 2022

Recent advances in dendrite-free lithium metal anodes for high-performance batteries

Abstract

With the merits of high energy density, light weight, and low electrode potential, lithium metal anodes (LMAs) have lately sparked worldwide attention in the field of batteries. However, their low Coulombic efficiency, tremendous volume expansion, and serious dendrite growth make lithium metal batteries (LMBs) unsuitable for a wide variety of applications. Moreover, when lithium dendrite crosses the electrolyte and reaches the cathode material, it may cause short circuit and safety issues for batteries. Herein, to accelerate the development of LMBs, we give a brief summary of the dendrite growth mechanisms in both liquid and solid systems of electrolytes. In particular, various modification approaches to dendrite-free lithium metal batteries are discussed. Furthermore, advanced in situ characterization techniques for the real-time observation of lithium dendrite growth are presented. To address the application issues, various potential research routes for improving the performance of LMBs are provided as well.

Graphical abstract: Recent advances in dendrite-free lithium metal anodes for high-performance batteries

Article information

Article type
Review Article
Submitted
10 apr 2022
Accepted
03 aug 2022
First published
05 aug 2022

Phys. Chem. Chem. Phys., 2022,24, 19996-20011

Recent advances in dendrite-free lithium metal anodes for high-performance batteries

X. Zhang and C. Sun, Phys. Chem. Chem. Phys., 2022, 24, 19996 DOI: 10.1039/D2CP01655A

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