Positive electrode active material and lithium secondary battery comprising the same
US11588154B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Nov 11, 2020 |
| Grant date | Feb 21, 2023 |
| Priority date | — |
| Expiry date | Jun 9, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a positive electrode active material having improved electrical characteristics by adjusting an aspect ratio gradient of primary particles included in a secondary particle, a positive electrode including the positive electrode active material, and a lithium secondary battery using the positive electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.