生物质纤维素基锂电池隔膜的研究进展

Research Progress of Biomass Cellulose-Based Lithium Battery Separator

锂电池隔膜在电池的性能和安全性中扮演着重要角色,为满足低碳绿色发展的需求,具有高热稳定性、电解液润湿性及可降解等优点的生物质纤维素为锂电池隔膜材料提供了新的选择。首先介绍锂电池工作原理和传统锂电池隔膜的性能特点及改进,然后重点叙述纤维素微米纤维、纤维素纳米纤维、细菌纤维素、纤维素衍生物等隔膜的现状和研究进展,最后对该领域未来的研究方向进行展望。

Lithium battery separator plays an important role in battery safety. In order to meet the needs of low-carbon green development, biomass cellulose with high thermal stability, electrolyte wettability and biodegradability provides a new choice for lithium battery separator material. Firstly, the working principle of lithium battery is introduced, and the performance characteristics and improvement of traditional diaphragm are described. Then, the research focus on the separator material of cellulose microfiber, cellulose nanofiber, bacterial cellulose, cellulose derivatives and so on. Finally, the future research direction of this field is prospected.