锂盐是获得安全性能良好的锂离子二次电池的重要因素.聚合物锂盐具有高电导率、宽电化学窗口、良好热稳定性和电化学稳定性,以及在全固态锂离子电池中的应用引起了国内外研究者的关注.文中分析了聚合物锂盐的结构与电池性能之间的关系,包括结构对材料的热稳定性、力学性能、锂离子迁移数、离子电导率和电化学窗口等的影响.总结了聚合物锂盐的合成方法,综述了均聚物型、共聚物型和离子液体型等具有代表性的聚合物锂盐在锂离子电池电解质中的应用研究进展,并对未来新型锂盐的研究方法及发展方向进行了展望.
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