Flexible secondary battery with polymer softening agent and internal depressurization
US9819014B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Oct 7, 2014 |
| Grant date | Nov 14, 2017 |
| Priority date | — |
| Expiry date | Oct 7, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flexible secondary battery having flexibility, wherein the flexible secondary battery is constituted by a lithium ion secondary battery, and contains one or more kind of softening agent(s) selected from acrylic-based polymers and diene-based polymers in an active substance layer of at least one of a positive electrode and a negative electrode, and the lithium ion secondary battery has an internal depressurization degree of from 10 to 1,000 Pa, is constituted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.