锂离子电池隔膜研究进展

Research Progress of Lithium-ion Battery Separators

关键词:  锂离子电池  隔膜  生产工艺  纤维素

Key Words:lithium-ion battery  separator  production technology  cellulose

摘要:隔膜位于锂离子电池的正极和负极之间，是电池的重要组成部分之一，对电池的安全性起着至关重要的作用。本文介绍了聚烯烃基、非织造布和纤维素纸基锂离子电池隔膜及其复合隔膜的研究进展，分析了各类隔膜材料的优缺点及其对电池电化学性能的影响，并对锂离子电池隔膜的发展趋势进行了展望。

Abstract:The separator is located between the positive and negative electrode of a lithium-ion battery， which is one of the important components of the battery and plays a vital role in the safety of the battery. This paper reviews the research progress of polyolefin-based， non-woven fabric， and cellulose paper-based/composite lithium-ion battery separators. The advantages and disadvantages of various separator materials and their impact on battery performance are analyzed， and the development trend of lithium-ion battery separators is prospected as well.