Coated nickel-based cathode materials and methods of preparation
US10581070B2 · kind B2 · utility
1Cited by
3References
12Claims
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Key dates
| Filing date | Jul 28, 2017 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Jan 13, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Cathode active materials have composite particles each with a base particle having the following formula: LiαNixMyCozO2, wherein 0.95≤α≤1.5, 0.6≤x≤1.0, 0≤y≤0.5, 0≤z≤0.5; x+y+z=1; and M is one of Mn and Al, and coating particles coating each base particle, the coating particles having the following formula: LiaNibMncCodO2, wherein 0.95≤a≤1.5, 0≤b≤0.35, 0≤c≤1.0, 0≤d≤1.0 and b+c+d=1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.