硼基锂盐电解质在锂离子电池中应用研究进展

Research progress of lithium borate electrolyte for Li-ion batteries

电解质材料是锂离子电池的关键材料之一,它直接影响电池的性能。新型硼酸锂盐由于种类繁多且环境友好而越来越引起人们的重视。本研究详细介绍了近年来应用于锂离子电池的各种新型硼基锂盐LiBOB,LiMOB,LiBMB和LiODFB。对这些硼基锂盐的合成方法、电化学性能、稳定性、在溶剂中的溶解性、电导率进行了论述。并讨论了它们的优缺点及在锂离子电池中的应用前景。

Electrolyte is considered as one of the key materials to decide the performance of Li-ion batteries.Because boron-based lithium salt＇s varieties and environmental-friendly property,novel boron-based lithium salts have attracted people＇s interests.The different new boron-based lithium salts including LiBOB,LiMOB,LiBMB and LiODFB used in Li-ion batteries were introduced in detail.The synthesis methods,physical chemistry characteristics,thermal stability at high temperature,solubility and conductivity were described.Their advantages,disadvantages and application prospects used in Liion batteries were also discussed.