Electrode catalyst for fuel cell and method of producing the same, and cathode, anode, and fuel cell including electrode catalyst
US10734658B2 · kind B2 · utility
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Key dates
| Filing date | Apr 7, 2015 |
| Grant date | Aug 4, 2020 |
| Priority date | — |
| Expiry date | Jun 24, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is an electrode catalyst for a fuel cell including: a carbon support; and catalytic metal supported on the carbon support, the catalytic metal being selected from platinum or a platinum alloy, in which the carbon support has a crystallite size of (002) plane of carbon within a range of 5.0 nm or more and has a specific surface area within a range of 95 m2/g to 170 m2/g, and the catalytic metal has a crystallite size of (220) plane of platinum within a range of 4.5 nm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.