Positive electrode active material and battery using positive electrode active material
US10840499B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2017 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Jan 13, 2038 |
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 comprising: a compound which has a crystal structure belonging to space group Fm-3m and which is represented by the following composition formula: LixMeyOαXβ. In the formula, the Me represents one or more elements selected from the group consisting of Mn, Ni, Co, Fe, Al, Sn, Cu, Nb, Mo, Bi, Ti, V, Cr, Y, Zr, Zn, Na, K, Ca, Mg, Pt, Au, Ag, Ru, Ta, W, La, Ce, Pr, Sm, Eu, Dy, and Er. The X represents one element selected from the group consisting of Cl, Br, I, N, and S. The following conditions are satisfied: 0.5≤x≤1.5; 0.5≤y≤1.0; 1≤α<2; and 0<β≤1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.