Resin current collector, multilayer current collector and lithium ion battery
US11380901B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Oct 15, 2018 |
| Grant date | Jul 5, 2022 |
| Priority date | — |
| Expiry date | Jul 31, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A resin current collector provides means for improving the cycle characteristics in a lithium ion battery and includes a polyolefin resin, and a conductive carbon filler. The total surface area of the conductive carbon filler contained in 1 g of the resin current collector is 7.0 m2 or more and 10.5 m2 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.