Co-production of hydrogen and electricity in a high temperature electrochemical system
US7482078B2 · kind B2 · utility
58Cited by
37References
1Claims
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Key dates
| Filing date | May 29, 2003 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Jul 15, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high temperature electrochemical system, such as a solid oxide fuel cell system, generates hydrogen and optionally electricity in a fuel cell mode. At least a part of the generated hydrogen is separated and stored or provided to a hydrogen using device. A solid oxide regenerative fuel cell system stores carbon dioxide in a fuel cell mode. The system generates a methane fuel in an electrolysis mode from the stored carbon dioxide and water by using a Sabatier subsystem. Alternatively, the system generates a hydrogen fuel in an electrolysis mode from water alone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.