Title:
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/195298
Kind Code:
A1
Abstract:
Provided is a non-aqueous electrolyte secondary battery comprising a positive electrode, a negative electrode, and a non-aqueous electrolyte, wherein the positive electrode comprises a positive electrode current collector and a positive electrode active material layer supported on the positive electrode current collector, the positive electrode active material layer contains active material particles, a binding agent, and a first organophosphorus compound, the content ratio Cpn of the first organophosphorus compound in the positive electrode active material layer is between 0.1% and 5% by mass, and the non-aqueous electrolyte contains a non-aqueous solvent, an electrolyte salt, and a second organophosphorus compound.
Inventors:
SHIRAKAMI ATSURO
OKI YUKIHIRO
OKI YUKIHIRO
Application Number:
PCT/JP2023/008912
Publication Date:
October 12, 2023
Filing Date:
March 08, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M10/052; H01M4/13; H01M4/131; H01M4/36; H01M4/505; H01M4/525; H01M4/62; H01M10/0567
Foreign References:
| CN112310395A | 2021-02-02 | |||
| JP2014026984A | 2014-02-06 | |||
| JP2012174485A | 2012-09-10 | |||
| JP2017199548A | 2017-11-02 | |||
| JP2017139118A | 2017-08-10 | |||
| JP2017073378A | 2017-04-13 | |||
| JP2022141192A | 2022-09-29 |
Attorney, Agent or Firm:
KAWASAKI & PARTNERS (JP)
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