申请人:Ube Industries, Ltd.
公开号:EP2479831A1
公开(公告)日:2012-07-25
Disclosed are a nonaqueous electrolytic solution of an electrolyte dissolved in a nonaqueous solvent, which contains a carboxylate represented by the following general formula (I) in an amount of from 0.01 to 10% by mass of the nonaqueous electrolytic solution; and an electrochemical element using it.
(In the formula, R1 represents an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, or a cyanoalkyl group; R2 represents a hydrogen atom, an alkoxy group, a formyloxy group, an acyloxy group, an alkoxycarbonyloxy group, an alkanesulfonyloxy group, an arylsulfonyloxy group, an alkylsilyloxy group, a dialkylphosphoryloxy group, an alkoxy(alkyl)phosphoryloxy group, or a dialkoxyphosphoryloxy group; R3 represents a hydrogen atom, -CH2COOR6, or an alkyl group; R4 represents a hydrogen atom or an alkyl group; R5 has the same meaning as R2, or represents a hydrogen atom, an alkyl group, or - CH2COOR7; R6 and R7 each independently represent an alkyl group, an alkenyl group, an alkynyl group, or a cycloalkyl group; X represents -OR8, -A2-C≡Y2, -A2-C(=O)O-A3-C≡Y2, -A2-C(=O)O-A4 or COOR1; R8 is the same as R1; A1 to A3 each independently represent an alkylene group; A4 represents an alkyl group; Y2 represents CH or N; m indicates an integer of from 0 to 4; n indicates 0 or 1.)
本发明公开了一种溶解在非水溶剂中的电解质的非水性电解溶液,其中含有由下式(I)代表的羧酸盐,其含量为非水性电解溶液的 0.01 至 10%(按质量计);还公开了一种使用该非水性电解溶液的电化学元件。
(式中:R1 代表烷基、烯基、炔基、环烷基或氰基烷基;R2 代表氢原子、烷氧基、甲酰氧基、酰氧基、烷氧基羰酰氧基、烷基磺酰氧基、芳基磺酰氧基、烷基硅酰氧基、二烷基磷酰氧基、烷氧基(烷基)磷酰氧基或二烷氧基磷酰氧基;R3 代表氢原子、-CH2COOR6 或烷基;R4 代表氢原子或烷基;R5 与 R2 意义相同,或代表氢原子、烷基或 -CH2COOR7;R6 和 R7 各自独立地代表烷基、烯基、炔基或环烷基;X 代表-OR8、-A2-C≡Y2、-A2-C(=O)O-A3-C≡Y2、-A2-C(=O)O-A4 或 COOR1;R8 与 R1 相同;A1 至 A3 各自独立地代表亚烷基;A4 代表烷基;Y2 代表 CH 或 N;m 表示 0 至 4 的整数;n 表示 0 或 1。)