Compact phosphoric acid fuel cell system and operating method thereof
US5302471A · kind A · utility
30Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 1992 |
| Grant date | Apr 12, 1994 |
| Priority date | — |
| Expiry date | Apr 7, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is an operating method of a compact phosphoric acid fuel cell system whose operation is started and stopped repeatedly, comprising a lamination of a plurality of cell units each of which has an electrolyte matrix impregnated with a phosphoric acid electrolyte between a positive electrode and a negative electrode, characterized by being operated so that each of the cell units can have a phosphoric acid electrolyte whose density is partially less than 91.6 wt % during the operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.