Title:
ELECTROLYTE SOLUTION, BATTERY CELL COMPRISING SAME, BATTERY AND ELECTRIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/077544
Kind Code:
A1
Abstract:
Provided in the present application is an electrolyte solution, which comprises a solvent, wherein the solvent comprises at least one compound of formula (I), where A1 is an oxygen atom or a single bond, A2 is a single bond or CHR4, R1 and R2 are each independently a hydrogen atom, a C1-6 alkyl or a C1-6 fluoroalkyl, R3 and R4 are each independently a hydrogen atom, a fluorine atom, a C1-6 alkyl or a C1-6 fluoroalkyl, A1 and A2 cannot be single bonds at the same time, and only one of R1 to R4 contains fluorine atoms. The electrolyte solution of the present application can make a secondary battery with a metal negative electrode have good cycle performance and also have a good discharge capacity retention rate at a low temperature.
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Inventors:
WANG HANSEN (CN)
LIU CHENGYONG (CN)
HUANG SHENGYUAN (CN)
HUANG XIAN (CN)
XUE WENWEN (CN)
LIU CHENGYONG (CN)
HUANG SHENGYUAN (CN)
HUANG XIAN (CN)
XUE WENWEN (CN)
Application Number:
PCT/CN2022/125067
Publication Date:
April 18, 2024
Filing Date:
October 13, 2022
Export Citation:
Assignee:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)
International Classes:
H01M10/0569
Foreign References:
| CN102479977A | 2012-05-30 | |||
| CN114555575A | 2022-05-27 | |||
| JP2003297417A | 2003-10-17 | |||
| CN101154753A | 2008-04-02 | |||
| US5750730A | 1998-05-12 |
Attorney, Agent or Firm:
PEKSUNG INTELLECTUAL PROPERTY LTD. (CN)
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