High voltage cathode compositions for lithium-ion batteries
US9601771B2 · kind B2 · utility
1Cited by
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5Claims
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Key dates
| Filing date | Jul 29, 2016 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Jul 29, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lithium transition metal oxide composition. The composition has the formula Lia[LibNicMndCoe]O2, where a≧0.9, b≧0, c>0, d>0, e>0, b+c+d+e=1, 1.05≦c/d≦1.4, 0.05≦e≦0.30, 0.9≦(a+b)/M≦1.06, and M=c+d+e. The composition has an O3 type structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.