Diagnostic method for fuel cell
US7597977B2 · kind B2 · utility
3Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2003 |
| Grant date | Oct 6, 2009 |
| Priority date | — |
| Expiry date | May 22, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a diagnostic method for a fuel cell, the amount of cross leak is determined by supplying the anode of the fuel cell with a hydrogen or hydrogen-containing gas, and supplying the cathode with an inert gas or vacuuming the cathode, and measuring the voltage of each cell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.