Positive electrode active material for sodium ion secondary battery, positive electrode, and sodium ion secondary battery
US9583765B2 · kind B2 · utility
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Key dates
| Filing date | Apr 8, 2014 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Nov 16, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided are a positive electrode active material for a sodium ion secondary battery, and a positive electrode and a sodium ion secondary battery using the material. The positive electrode active material for a sodium ion secondary battery comprises a lithium sodium-based compound containing lithium (Li), sodium (Na), iron (Fe), and oxygen (O).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.