Apparatus and method for determining deterioration of a fuel cell and method for preventing deterioration of the same
US8053131B2 · kind B2 · utility
3Cited by
2References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 28, 2009 |
| Grant date | Nov 8, 2011 |
| Priority date | — |
| Expiry date | Jun 25, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/193333
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides an apparatus and method for determining deterioration of a fuel cell, the method including measuring in real time fluoride ion concentration or pH value of outflow water from a fuel cell stack during operation in a fuel cell vehicle, calculating a fluoride emission rate from the measured value and, if the calculated fluoride emission rate is out of a predetermined normal range, determining deterioration of an electrolyte membrane of the fuel cell stack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.