Cathode material and fuel cell
US10749187B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Dec 27, 2018 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Dec 27, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cathode material used in an anode and a cathode contains (Co, Fe)3O4 and a perovskite type oxide that is expressed by the general formula ABO3 and includes at least one of La and Sr at the A site. A content ratio of (Co, Fe)3O4 in the cathode material is at least 0.23 wt % and no more than 8.6 wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.