Oxygen reduction catalyst and electrochemical cell
US9364820B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Feb 20, 2013 |
| Grant date | Jun 14, 2016 |
| Priority date | — |
| Expiry date | Feb 13, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An oxygen reduction catalyst of an embodiment includes: a stack of single-layer graphenes; and a phosphorus compound, wherein some of carbon atoms of the graphenes are replaced by nitrogen atoms, and the phosphorus compound has a peak of phosphorus 2p orbital of 133.0 to 134.5 eV in X-ray photoelectron spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.