Multi-layer negative electrode comprising natural graphite and artificial graphite and lithium secondary battery comprising the same
US12113220B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Jun 27, 2022 |
| Grant date | Oct 8, 2024 |
| Priority date | — |
| Expiry date | Jun 27, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure relates to a multilayer negative electrode comprising a negative electrode current collector configured to transfer electrons between an outer lead and a negative electrode active material, a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and containing natural graphite as a negative electrode active material and a second negative electrode mixture layer formed on the first negative electrode mixture layer and containing artificial graphite as a negative electrode active material, and a lithium secondary battery including the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.