Corrosion protection for a fuel cell coolant system
US3940285A · kind A · utility
12Cited by
3References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1974 |
| Grant date | Feb 24, 1976 |
| Priority date | — |
| Expiry date | Dec 13, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The internal coolant system of a fuel cell power plant utilizes a gas in the coolant fluid to inhibit the corrosion of those fuel cell components that corrode due to shunt currents flowing through the coolant fluid. In a preferred embodiment hydrogen gas is used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.