Title:
NONAQUEOUS ELECTROLYTE ELECTRIC STORAGE ELEMENT AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2022184603
Kind Code:
A
Abstract:
To provide a nonaqueous electrolyte electric storage element having a high capacity retention rate after charge-discharge cycles and a suppressed increase in volume, and a method for manufacturing such a non-aqueous electrolyte electric storage element.SOLUTION: A nonaqueous electrolyte electric storage element includes a negative electrode having metallic lithium, and a non-aqueous electrolyte containing a non-aqueous solvent and a cyclic compound containing elemental sulfur, and the content of the fluorinated cyclic carbonate in the non-aqueous solvent is 20 mass% or more, and the content of the cyclic compound containing elemental sulfur in the non-aqueous electrolyte is less than 10 mass%.SELECTED DRAWING: Figure 1
Inventors:
MURAMATSU HIROMASA
Application Number:
JP2021092548A
Publication Date:
December 13, 2022
Filing Date:
June 01, 2021
Export Citation:
Assignee:
GS YUASA CORP
International Classes:
H01M10/052; H01M4/40; H01M10/0567; H01M10/0569; H01M10/058
Attorney, Agent or Firm:
Yoshinori Ikeda
Amano Kazunori
Katsumasa Fujimoto
Koji Ishida
Masako Matsuura
Amano Kazunori
Katsumasa Fujimoto
Koji Ishida
Masako Matsuura