Precursors for lithium transition metal oxide cathode materials for rechargeable batteries
US9954226B2 · kind B2 · utility
1Cited by
4References
4Claims
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Key dates
| Filing date | May 29, 2015 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | May 29, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A particulate precursor compound for manufacturing a lithium transition metal (M)-oxide powder usable as an active positive electrode material in lithium-ion batteries, wherein (M) is NixMnyCozAv, A being a dopant, wherein 0.33≤x≤0.60, 0.20≤y≤0.33, and 0.20≤z≤0.33, v≤0.05, and x+y+z+v=1, the precursor having a specific surface area PBET in m2/g, a tapped density PTD in g/cm3, a median particle size PD50 in μm, and wherein (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.