Lithium transition metal oxide with gradient of metal composition
US7695649B2 · kind B2 · utility
17Cited by
11References
16Claims
0Family size
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Key dates
| Filing date | Oct 30, 2003 |
| Grant date | Apr 13, 2010 |
| Priority date | — |
| Expiry date | May 14, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are primary materials, precursor materials and final materials as well as methods to prepare these materials. The final materials are mixed lithium transition metal oxides, useful as performance optimized cathode materials for rechargeable lithium batteries. The transition metal is a solid solution mixture of manganese, nickel and cobalt, M=(Mn1-uNiu)1-u-yCoy, with 0.2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.