锂离子电池高温反应及其影响因素

Research on the factors affecting the reactions in Li-ion batteries at high temperature

锂离子电池热稳定性能的研究是近年来锂离子电池研究的一个热点。锂离子电池内部高温反应有SEI膜分解反应,嵌锂碳(LixC6)与电解液的反应,嵌锂碳与粘接剂的反应,电解液分解反应,以及正极材料的分解反应,分别对其研究现状作了综述;并分析了影响锂离子电池内部高温反应的各种因素。

In recent years,much research fouces on the thermal stability of Li-ion b atteries.The internal reactions of Li-ion batteries,such as the decomposition of SEI layer,th e reactions of Li x C 6 with electrolyte and adhensives,the decompositions of electrolyte and cathode meterials were all introduced.The current status of researches on these above r eactions of Li-ion batteries at the e levated temperature were summarize d in this paper.From this summary ,som e influence factors on these reactions were analyzed.