Positive active material and positive electrode for rechargeable lithium battery and rechargeable lithium battery including the positive electrode
US8703339B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Dec 7, 2009 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | Apr 29, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A positive electrode for a rechargeable lithium battery includes a first positive active material represented by LiaNibCocMdO2, and a second positive active material represented by LieNifCogMnhO2. M is selected from Al, B, Cr, Fe, Mg, Sr, and V, 0.95≦a≦1.1, 0.5≦b≦0.9, 0≦c≦0.3, 0≦d≦0.1, 0.95≦e≦1.1, 0.33≦f≦0.5, 0.15≦g≦0.33, and 0.3≦h≦0.35. A rechargeable lithium battery includes the positive electrode, a negative electrode and an electrolyte.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.