申请人:Abe Koji
公开号:US20120171581A1
公开(公告)日:2012-07-05
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, R
1
represents an alkyl group, an alkenyl group, an alkynyl group, a cycloalkyl group, or a cyanoalkyl group; R
2
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; R
3
represents a hydrogen atom, —CH
2
COOR
6
, or an alkyl group; R
4
represents a hydrogen atom or an alkyl group; R
5
has the same meaning as R
2
, or represents a hydrogen atom, an alkyl group, or —CH
2
COOR
7
; R
6
and R
7
each independently represent an alkyl group, an alkenyl group, an alkynyl group, or a cycloalkyl group; X represents —OR
8
, -A
2
-C≡Y
2
, -A
2
-C(═O)O-A
3
-C≡Y
2
, -A
2
-C(═O)O-A
4
or COOR
1
; R
5
is the same as R
1
; A
1
to A
3
each independently represent an alkylene group; A
4
represents an alkyl group; Y
2
represents CH or N; m indicates an integer of from 0 to 4; n indicates 0 or 1.)
本发明涉及一种非水电解质溶液,其中包含以下述通式(I)表示的羧酸盐,其质量占非水电解质溶液的0.01至10%;以及使用该电解质溶液的电化学元件。(在式中,R1表示烷基、烯基、炔基、环烷基或氰基烷基;R2表示氢原子、烷氧基、甲酰氧基、酰氧基、烷氧羰基氧基、烷基磺酰氧基、芳基磺酰氧基、烷基硅氧基、二烷基磷酰氧基、烷氧(烷基)磷酰氧基或二烷氧基磷酰氧基;R3表示氢原子、-CH2COOR6或烷基;R4表示氢原子或烷基;R5与R2的含义相同,或表示氢原子、烷基或-CH2COOR7;R6和R7各自独立地表示烷基、烯基、炔基或环烷基;X表示-OR8,-A2-C≡Y2,-A2-C(═O)O-A3-C≡Y2,-A2-C(═O)O-A4或COOR1;R5与R1的含义相同;A1至A3各自独立地表示烷基;A4表示烷基;Y2表示CH或N;m表示0至4的整数;n表示0或1。)