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US 2025/0029992 A1Published application
Secondary battery, battery pack and vehicle
AssigneeKabushiki Kaisha Toshiba
InventorsNorio TAKAMI, Yuiko KOITABASHI, Kakuya UEDA
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Abstract
In general, according to one embodiment, a secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The nonaqueous electrolyte includes a nonaqueous solvent and an electrolyte. The nonaqueous solvent includes a first solvent including at least one selected from the group consisting of ethyl propionate, propyl propionate and ethyl butyrate, and a second solvent including γ-butyrolactone. The electrolyte includes lithium bisfluorosulfonylimide.
Claims13
A secondary battery comprising:
- a positive electrode;
- a negative electrode;
- and
- a nonaqueous electrolyte comprising a nonaqueous solvent and an electrolyte, the nonaqueous solvent comprising a first solvent including at least one selected from the group consisting of ethyl propionate, propyl propionate and ethyl butyrate and a second solvent including γ-butyrolactone, and the electrolyte comprising lithium bisfluorosulfonylimide.
1 more element
Dependencies are inferred from the claim text.