锂离子电池SEI膜发展综述
Overview of the Development of SEI Films for Lithium Ion Batteries
母英迪 1薛佳宸 1王海 1郭盼龙1
作者信息
- 1. 珠海冠宇电池股份有限公司,广东 珠海 519000
- 折叠
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.
Abstract
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.
关键词
锂离子电池/有机电解液/SEI膜/改进Key words
lithium-ion battery/organic electrolyte/SEI membrane/improve引用本文复制引用
出版年
2024
NETL
NSTL
万方数据