Title:
NONAQUEOUS SECONDARY BATTERY ELECTROLYTE, AND NONAQUEOUS SECONDARY BATTERY USING THIS
Document Type and Number:
WIPO Patent Application WO/2022/196761
Kind Code:
A1
Abstract:
An electrolyte is provided which makes it possible to improve charging/discharging cycle characteristics in a nonaqueous secondary battery that uses a lithium-free transition metal sulfide as the positive electrode active material. This nonaqueous secondary battery electrolyte for nonaqueous secondary battery that uses a lithium-free transition metal sulfide as the positive electrode active material, wherein the electrolyte contains: an organic solvent, which contains a chain carbonate compound; lithium bis(trifluoromethanesulfonyl)imide (LiTFSI); and an additive.
Inventors:
KOHNO KAZUSHIGE (JP)
TAKEUCHI TOMONARI (JP)
SAKAEBE HIKARI (JP)
TAKEUCHI TOMONARI (JP)
SAKAEBE HIKARI (JP)
Application Number:
PCT/JP2022/012274
Publication Date:
September 22, 2022
Filing Date:
March 17, 2022
Export Citation:
Assignee:
AIST (JP)
International Classes:
H01M4/58; H01M10/052; H01M10/0567; H01M10/0568; H01M10/0569
Domestic Patent References:
| WO2019197410A1 | 2019-10-17 | |||
| WO2021039820A1 | 2021-03-04 |
Foreign References:
| CN110611084A | 2019-12-24 | |||
| KR20200127873A | 2020-11-11 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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