Secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus
US10811723B2 · kind B2 · utility
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35Claims
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Key dates
| Filing date | Jun 5, 2018 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Dec 17, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, and an electrolyte layer, and the electrolyte layer includes an electrolytic solution and a copolymer containing vinylidene fluoride, hexafluoropropylene, and a hetero-unsaturated compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.