Carbon material, fuel cell, and method for producing carbon material
US10211463B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Aug 24, 2015 |
| Grant date | Feb 19, 2019 |
| Priority date | — |
| Expiry date | Sep 23, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A carbon material according to an embodiment contains: 2% by mass or more and 15% by mass or less of nitrogen and 0.3% by mass or more and 2.5% by mass or less of sulfur, and 40% by mass or more of the nitrogen is a graphitic nitrogen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.