Positive electrode material for a lithium ion accumulator
US8080184B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Oct 1, 2009 |
| Grant date | Dec 20, 2011 |
| Priority date | — |
| Expiry date | Jan 22, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A compound of formula Li1+x(NiaMnbCocAly)1−xO2 wherein: a, b and c are non-zero; a+b+c+y=1; 1.05≦(1+x)/(1−x)≦1.25; 0.015≦y(1−x); and the atomic amount of manganese representing from 95% to 100% of the atomic amount of nickel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.