Journal
CHINESE JOURNAL OF CHEMISTRY
Volume 39, Issue 1, Pages 165-173Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.202000512
Keywords
Lithium; Plating; Graphite anode; Electron microscopy; Low‐ temperature physics
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Lithium plating on graphite anode is accelerated by fast charge and low temperature, leading to degradation of the battery's state of health (SOH) and potential safety risks. Various methods such as anode surface modification, electrolyte optimization, and charge strategy development are discussed to suppress lithium plating. Remaining challenges include mechanism research, detection methods, and further development of suppression techniques.
Lithium plating on graphite anode is triggered by harsh conditions of fast charge and low temperature, which significantly accelerates SOH (state of health) degradation and may cause safety issues of lithium ion batteries (LIBs). This paper has reviewed recent research progress of lithium plating on graphite anode. Firstly, we summarize the forming mechanisms of Li plating with corresponding influence factors, the detecting methods and hazard of Li plating. Then, approaches to suppress Li plating are discussed, including anode surface modification, electrolyte composition optimization and development of optimal charge strategies. Finally, we conclude and propose the remaining challenges and prospects in terms of mechanism research, detecting approaches, and suppressing methods of Li plating. This review highlights the development of Li plating research and plays a guiding rule of further study on Li plating in LIBs.
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