Doped nickelate materials
US10399863B2 · kind B2 · utility
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Key dates
| Filing date | May 21, 2015 |
| Grant date | Sep 3, 2019 |
| Priority date | — |
| Expiry date | May 21, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to doped nickelate-containing material with the general formula: Aa M1v M2w M3x M4y M5z O2-δ wherein A comprises one or more alkali metals selected from sodium, lithium and potassium; M1 is nickel in oxidation state 2+, M2 comprises one or more metals in oxidation state 4+, M3 comprises one or more metals in oxidation state 2+, M4 comprises one or more metals in oxidation state 4+, and M5 comprises one or more metals in oxidation state 3+ wherein 0.4≤a<0.9, 0<v<0.5, at least one of w and y is >0, x>0, z≥0, 0≤δ≤0.1, and wherein a, v, w, x, y and z are chosen to maintain electroneutrality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.