Title:
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/181207
Kind Code:
A1
Abstract:
A non-aqueous electrolyte secondary battery according to the present invention comprises a positive electrode (10), a negative electrode (20), a separator (30), an electrolyte solution (50), and a storage container (2) in which the positive electrode (10), the negative electrode (20), the separator (30), and the electrolyte solution (50) are arranged in an internal storage space, wherein: at least one among the positive electrode (10) and the negative electrode (20) is in the form of a pellet containing an active material, a conductive aid, and a binder; the separator (30) is formed of a glass fiber nonwoven fabric; and the electrolyte solution (50) contains, as an organic solvent, a mixed solution including propylene carbonate, ethylene carbonate, and dimethoxyethane at a volume ratio of {PC:EC:DME}＝{0.5-1.5:0.5-1.5:1-3}, and contains 2-7 (mol/L) of a lithium bis(fluorosulfonyl)imide as a support salt.
Inventors:
MIURA KEN (JP)
Application Number:
PCT/JP2022/003367
Publication Date:
September 01, 2022
Filing Date:
January 28, 2022
Export Citation:
Assignee:
SEIKO INSTR INC (JP)
International Classes:
H01M4/13; H01M4/131; H01M4/36; H01M4/48; H01M4/505; H01M4/525; H01M10/052; H01M10/0568; H01M10/0569; H01M10/058; H01M50/109; H01M50/184; H01M50/437; H01M50/44
Domestic Patent References:
| WO2016143543A1 | 2016-09-15 | |||
| WO2016143543A1 | 2016-09-15 |
Foreign References:
| JP2017224430A | 2017-12-21 | |||
| JP2021030396A | 2021-03-01 |
Attorney, Agent or Firm:
TAZAKI Akira et al. (JP)
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