Positive-electrode active material and battery including positive-electrode active material
US11081687B2 · kind B2 · utility
1Cited by
6References
11Claims
0Family size
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Key dates
| Filing date | Mar 5, 2019 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Aug 30, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A positive-electrode active material contains a compound represented by the following composition formula (1): LixMeyAzOαFβ (1)where Me denotes one or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, Cu, Nb, Mo, Ti, Cr, Zr, Zn, Na, K, Ca, Mg, Pt, Au, Ru, and W, A denotes one or more elements selected from the group consisting of B, Si, and P, and the following conditions: 1.3≤x≤2.1, 0.8≤y≤1.3, 0<z≤0.2, 1.8≤α≤2.9, and 0.1≤β≤1.2 are satisfied. A crystal structure of the compound belongs to a space group Fm-3m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.