申请人:SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
公开号:US20140377644A1
公开(公告)日:2014-12-25
A nonaqueous solvent that includes an ionic liquid and has at least one of the following characteristics: high lithium ion conductivity, high lithium ion conductivity in a low temperature environment, high heat resistance, a wide available temperature range, a low freezing point (melting point), low viscosity, and the like. The nonaqueous solvent includes an ionic liquid and a fluorinated solvent. The ionic liquid contains an alicyclic quaternary ammonium cation which has a substituent and a counter anion to the alicyclic quaternary ammonium cation which has the substituent.
一种包含离子液体并具有以下至少一种特征的非水溶剂:高锂离子导电性,低温环境下的高锂离子导电性,高耐热性,宽可用温度范围,低冰点(熔点),低粘度等。非水溶剂包括离子液体和氟化溶剂。离子液体包含具有取代基的脂环季铵阳离子和一个对应于具有取代基的脂环季铵阳离子的阴离子。