锂离子电池用电解质锂盐的研究进展  

Research Progress of Lithium Salt Electrolyte for Lithium Ion Battery

作　　者：蔡源满 徐景贤 Cai Yuanman;Xu Jingxian(Jiujiang Tinci Materials Technology Co.,Ltd.,Jiangxi,332500)

机构地区：[1]九江天赐高新材料有限公司,江西332500

出　　处：《当代化工研究》2023年第7期14-17,共4页Modern Chemical Research

摘　　要：锂离子电池(Lithium ion battery)以高能量密度、开路电压大、循环寿命长以及环境友好等优点,而广泛应用在通讯基站、航空航天、新能源交通工具等领域。电解质锂盐作为锂离子电池不可或缺的部分,不但能在电解液中提供和传输锂离子,而且能够在电极材料表面形成保护层,在很大程度上决定着锂离子电池的容量、循环性能、安全性能、工作温度、能量密度和功率密度等性能。本文主要介绍了电解质锂盐的理化性质和作用,重点总结了目前常见的几种无机锂盐和有机锂盐的研究进展,对不同锂盐的优缺点进行了评述,并对电解质锂盐在锂离子电池领域的发展进行了展望。Lithium ion batteries(LIBs)are widely used in communication base stations,aerospace,new energy vehicles and other fields due to their high energy density,large open circuit voltage,long cycle life and environmental friendliness.As an indispensable part of lithium ion batteries,lithium salts of electrolyte can not only provide and transport lithium ions in electrolyte,but also form a protective layer on the surface of electrode materials,which largely determines the capacity,operating temperature,cycling performance,safety performance,power density,energy density and other performance of lithium ion batteries.This paper mainly introduces the physical and chemical properties and functions of electrolyte lithium salts,summarizes the research progress of several common inorganic lithium salts and organic lithium salts,reviews the advantages and disadvantages of different lithium salts,and prospects the development of electrolyte lithium salts in the field of lithium ion batteries.

关 键 词：锂离子电池 电解液 电解质锂盐 

分 类 号：G642[文化科学—高等教育学]