Electrolytic solution for lithium-ion secondary battery and lithium-ion secondary battery
US11916196B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Mar 16, 2021 |
| Grant date | Feb 27, 2024 |
| Priority date | — |
| Expiry date | Oct 8, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium-ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The electrolytic solution includes a solvent, an electrolyte salt, and an aminoanthraquinone polymer compound. The aminoanthraquinone polymer compound includes a divalent maleic anhydride part and a divalent aminoanthraquinone derivative part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.