晶态锂离子固体电解质的最新研究进展

New Development of the Crystalline Lithium-ion Solid Electrolytes

锂离子电解质是高功率密度和能量密度、长循环寿命和安全性能良好的锂离子电池的关键材料之一,对锂电池的发展起着非常重要的作用。简单介绍了几种主要类型锂离子晶态固体电解质材料的研究情况,并详细概括了最近晶态锂离子固体电解质的研究热点材料——类石榴石结构的Li5La3M2O12(M=Ta,Nb)锂离子导体,最后对以Li5La3M2O12(M=Ta,Nb)锂离子导体为代表的晶态锂离子固体电解质的研究做出了展望。

Lithium-ion electrolyte is one of the key materials in the lithium-ion secondary batteries of high power density and energy density,long cycle life and the better safety performance,playing an important role in the development of the lithium-ion secondary batteries.The progress of the several kinds of the lithium-ion crystalline solid electrolyte was presented and further the investigation of the garnet-like lithium ion conductor Li5La3M2O12（M=Ta,Nb）,attracting many groups attentions for its excellent electrical performance and electrochemistry stability,was summarized in detail.Finally,the possible development of the crystalline lithium-ion solid electrolyte based on the Li5La3M2O12（M=Ta,Nb） was suggested.