Title:
CYCLIC SULFONATE LITHIUM-ION BATTERY ELECTROLYTE SOLUTION ADDITIVE, PREPARATION METHOD FOR SAME, AND APPLICATIONS THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/104710
Kind Code:
A1
Abstract:
Disclosed is a cyclic sulfonate lithium-ion battery electrolyte solution additive, provided with the structure as represented by formula I: it serves as one of many additives, constitutes with a nonaqueous solvent and an electrolyte lithium salt a lithium-ion battery nonaqueous electrolyte solution, is provided between a negative electrode and a positive electrode, and is applicable in manufacturing a lithium-ion battery. The cyclic sulfonate additive provided in the present invention is applicable in a lithium-ion battery, effectively inhibits the reduction of battery capacity when cycled at a high temperature and stored at a high temperature, and also inhibits the electrolyte solution from decomposing and producing a gas.
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Inventors:
LIN CUNSHENG (CN)
GONG YUANYUAN (CN)
LIU ZHAOLIN (CN)
LU QINGLIANG (CN)
LIU BIN (CN)
SHI YU (CN)
GONG YUANYUAN (CN)
LIU ZHAOLIN (CN)
LU QINGLIANG (CN)
LIU BIN (CN)
SHI YU (CN)
Application Number:
PCT/CN2020/130467
Publication Date:
May 27, 2022
Filing Date:
November 20, 2020
Export Citation:
Assignee:
VALIANT CO LTD (CN)
International Classes:
H01M10/0567; H01M10/0525; H01M10/058; H01M10/42
Foreign References:
| CN111403807A | 2020-07-10 | |||
| CN109256590A | 2019-01-22 | |||
| JP2017037808A | 2017-02-16 | |||
| US20040043300A1 | 2004-03-04 |
Attorney, Agent or Firm:
YANTAI SHANGHE INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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