Lithium-rich nickel-manganese-cobalt cathode powders for lithium-ion batteries
US10601037B2 · kind B2 · utility
6Cited by
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13Claims
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Key dates
| Filing date | Sep 22, 2016 |
| Grant date | Mar 24, 2020 |
| Priority date | — |
| Expiry date | Sep 22, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides a dual component lithium-rich layered oxide positive electrode material for a secondary battery, the material consisting of a single-phase lithium metal oxide with space group R-3m and having the general formula Li1+bN1−bO2, wherein 0.155≤b≤0.25 and N=NixMnyCOzZrcAd, with 0.10≤x≤0.40, 0.30≤y≤0.80, 0<z≤0.20, 0.005≤c≤0.03, and 0≤d≤0.10, and wherein x+y+z+c+d=1, with A being a dopant comprising at least one element, and the material further consisting of a Li2ZrO3 component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.