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US 2022/0069352 A1Published application
Electrolytic solution for lithium-ion secondary battery, lithium-ion secondary battery, and module
AssigneeDaikin Industries, Ltd.
InventorsTomoya HIDAKA, Shigeaki YAMAZAKI
Life of this patent
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Abstract
An electrolyte solution for a lithium ion secondary battery, including a compound (1) represented by the following formula (1): wherein R1 and R2 are each independently a methyl, ethyl, propyl, or butyl group. Also disclosed is a lithium ion secondary battery including the electrolyte solution and a module including the lithium ion secondary battery.
Claims6
An electrolyte solution for a lithium ion secondary battery, comprising
- a compound (1) represented by the following formula (1):
- wherein R1 and R2 are each independently a methyl, ethyl, propyl, or butyl group.
An electrolyte solution for a lithium ion secondary battery, comprising:
- an imidazolium cation (1-1) represented by the following formula (1-1):
- wherein R1 and R2 are each independently a methyl, ethyl, propyl, or butyl group;
- and
- a difluorophosphoric acid ion.
1 more element
Dependencies are inferred from the claim text.