摘要
锂离子电池中的固体电解质界面(SEI)膜在电池性能和安全性方面具有至关重要的作用。本文简述了锂离子电池SEI膜的生长与退化过程,并总结了SEI膜的主要组成。针对SEI膜的改进和优化,重点介绍了目前在电极材料和电解液方面对SEI膜进行改性的方法。最后,指出对正极材料的改性和对成膜添加剂的进一步研究将成为未来研究的热点。
Solid electrolyte interface(SEI)films in lithium-ion batteries play a crucial role in battery performance and safety.This article briefly describes the growth and degradation process of SEI films for lithium-ion batteries,and summarizes the main components of SEI films.Regarding the improvement and optimization of SEI membranes,the current methods for modifying SEI membranes in electrode materials and electrolytes were mainly introduced.Finally,it is pointed out that the modification of positive electrode materials and further research on film forming additives will become hotspots in future research.
作者
母英迪
薛佳宸
王海
郭盼龙
Mu Yingdi;Xue Jiachen;Wang Hai;Guo Panlong(Zhuhai CosMX Battery Co.,Ltd.,Zhuhai 519000,China)
出处
《广东化工》
CAS
2024年第5期50-51,24,共3页
Guangdong Chemical Industry
关键词
锂离子电池
有机电解液
SEI膜
改进
lithium-ion battery
organic electrolyte
SEI membrane
improve
