Doped nickelate compounds
US9917307B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 8, 2013 |
| Grant date | Mar 13, 2018 |
| Priority date | — |
| Expiry date | Oct 8, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to novel electrodes containing one or more active materials comprising: AaM1vM2wM3xM4YM5zO2−C(Formula 1) wherein A comprises either sodium or a mixed alkali metal in which sodium is the constituent; M1 is nickel in oxidation state less than or equal to 4+, M2 comprises a metal in oxidation state less than or equal to 4+, M3 comprises a metal in oxidation state 2+, M4 comprises a metal in oxidation state less than or equal to 4+, and M5 comprises a metal in oxidation state 3+ wherein 0≦a≦1 v>0 at least one of w and y is >0 x≧0 z≧0 c>0.1 where (a, v, w, x, y, z and c) are chosen to maintain electroneutrality. Such materials are useful, for example, as electrode materials in sodium-ion battery applications.AaM1VM2WM3XM4YM5ZO2−c (Formula 1)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.