Method of preparing positive electrode active material for lithium secondary battery, positive electrode active material prepared thereby, and positive electrode for lithium secondary battery and lithium secondary battery which include the positive electrode active material
US11563213B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Sep 27, 2018 |
| Grant date | Jan 24, 2023 |
| Priority date | — |
| Expiry date | Nov 12, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In one embodiment, the present disclosure relates to a method of preparing a positive electrode active material, which includes mixing a nickel cobalt manganese hydroxide precursor containing nickel in an amount of 60 mol % or more based on a total number of moles of transition metals in the precursor, a lithium-containing raw material, and a doping raw material represented by Formula 2 (set forth herein), and sintering the mixture to prepare a positive electrode active material represented by Formula 1 (set forth herein).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.