Fuel cell including cathode having main phase including perovskite oxide and sub phase including strontium sulfate
US9876235B2 · kind B2 · utility
2Cited by
1References
11Claims
0Family size
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Key dates
| Filing date | Jul 18, 2014 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Dec 18, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fuel cell includes an anode, a cathode and a solid electrolyte layer that is disposed between the anode and the cathode. The cathode includes a main phase and a sub phase. The main phase is composed mostly of perovskite oxide which is expressed by the general formula ABO3 and includes at least Sr at the A site. The sub phase is composed mostly of strontium sulfate. An occupied area ratio of the sub phase in a cross section of the cathode is no more than 10.2%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.