Precursor particle for preparation of cathode active material for secondary battery and novel precursor powder containing same
US12002956B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Sep 25, 2019 |
| Grant date | Jun 4, 2024 |
| Priority date | — |
| Expiry date | Nov 15, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are novel precursor particles for preparing a cathode active material including transition metal precursor particles containing one or more transition metals, and one or more of an alkali metal and an alkaline earth metal, wherein the alkali metal and the alkaline earth metal are contained in one or more of inner and outer parts of the transition metal precursor particles, and a novel precursor powder including the novel precursor particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.