Alkaline secondary battery
US8877372B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2012 |
| Grant date | Nov 4, 2014 |
| Priority date | — |
| Expiry date | Jan 11, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An alkaline secondary battery includes a positive electrode having active material particles principally made of nickel hydroxide, a negative electrode, and an electrolyte solution. The positive active material particle has a core layer containing nickel hydroxide and a conductive auxiliary layer which coats the surface of the core layer. The conductive auxiliary layer contains a cobalt oxyhydroxide phase and a cerium dioxide phase. The electrolyte solution is principally made of an aqueous sodium hydroxide solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.