申请人:Ningde Amperex Technology Limited
公开号:US20210408597A1
公开(公告)日:2021-12-30
An electrolyte including an additive of compound of formula I,
wherein n is an integer ranging from 0 to 10;
R
1
and R
2
are each independently selected from a substituted or unsubstituted C
1
-C
10
alkylidene group, a substituted or unsubstituted C
2
-C
10
alkenylene group, or a substituted or unsubstituted C
1
-C
10
alkyleneoxy group; Ai selected from CH, C, N, S, O, B or Si; A
2
is selected from CH—R
3
, N—R
3
, S, O, B—R
3
or SiH—R
3
; A
3
selected from CH
2
, CH, C, N, S, O, B or Si; R
3
is selected from hydrogen, halogen, a substituted or unsubstituted C
1
-C
10
alkyl group, or a substituted or unsubstituted C
3
-C
10
cycloalkyl group; Xi is selected from a substituted or unsubstituted C
1
-C
10
alkylidene group, a substituted or unsubstituted C
2
-C
10
alkenylene group, ═R
c
═, or ═R
c
—, wherein R
c
is selected from a substituted or unsubstituted C
2
-C
6
alkylidene group.