Energy storage device and method for manufacturing energy storage device
US12100838B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Sep 10, 2019 |
| Grant date | Sep 24, 2024 |
| Priority date | — |
| Expiry date | Jul 31, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An aspect of the present invention is an energy storage device including an electrode assembly that has a negative electrode and a positive electrode, where the negative electrode contains a negative electrode substrate and a negative active material, and has a negative active material layer disposed in an unpressed shape along at least one surface of the negative electrode substrate, the negative active material includes solid graphite particles as a main component, and the solid graphite particles have an aspect ratio of 1 or more and 5 or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.