氟化醚在锂离子电池中的应用

Application of Fluorinated Ether in Lithium-ion Batteries

随着新能源汽车的快速发展,对锂离子电池的性能与安全性提出了更高的要求。发展具有更高能量密度、更安全的锂离子电池的关键是探索新的高电压安全电解液。由于氟化醚展现出的高抗氧化能力、高闪点的特性,作为电解液溶剂的应用受到了广泛关注。概述了氟化醚在高电压电解液和安全型电解液中的应用现状,列举了国内外科研机构在添加氟化醚电解液方面的部分研究成果,总结并展望了氟化醚在锂离子电池中的应用前景。

With the development of electric vehicles,commercial electrolyte can hardly meet the requirements of lithium ion batteries with high capacity density and safety.For the good property of low melting point,low surface surface tension,high oxidation stability and high flash point,the fluoroether can improve the performance of electrolyte,and has gained attention as a kind of novel electrolyte solvent.This paper introduced the research status of fluoroether in conventional electrolyte and high-voltage electrolyte,listed some research achievements of domestic and foreign research institutions in fluoroether-based electrolyte,summarized and forecasted the application prospect of fluoroether in lithium ion batteries.