Title:
二次電池
Document Type and Number:
Japanese Patent JP7327507
Kind Code:
B2
Abstract:
A secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The negative electrode includes a hydroxycarboxylic acid compound. The hydroxycarboxylic acid compound includes a first hydroxycarboxylic acid compound, a second hydroxycarboxylic acid compound, or both. The electrolyte includes a high-dielectric-constant solvent having a dielectric constant of greater than or equal to 20 in a temperature range of higher than or equal to −30° C. and lower than 60° C. The high-dielectric-constant solvent includes a lactone. A content of the lactone in the high-dielectric-constant solvent is greater than or equal to 65 wt % and less than or equal to 100 wt %. At least one of the positive electrode, the negative electrode, or the electrolyte includes inorganic oxide particles.
Inventors:
Kentaro Yoshimura
Application Number:
JP2021561264A
Publication Date:
August 16, 2023
Filing Date:
November 09, 2020
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD.
International Classes:
H01M10/052; H01M4/13; H01M4/62; H01M10/0565; H01M10/0567; H01M10/0569; H01M50/434; H01M50/443; H01M50/451
Domestic Patent References:
| JP2005032633A |
Foreign References:
| WO2012111333A1 | ||||
| WO2014147958A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Tsubasa International Patent Office
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