US3558360A
Expired / Lapsed
US
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Fuel cell comprising a stabilized zirconium oxide electrolyte and a doped indium or tin oxide cathode
Assignee: Westinghouse Electric Corp
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Filing: 1968-01-08
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Granted: 1971-01-26
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Expires: 1988-01-08
Abstract
Abstract A FUEL CELL HAVING AN ELECTROLYTE COMPOSED OF A RIDGED CERAMIC MATERIAL THAT CONDUCTS CURRENT BY DIFFUSION OF OXYGEN IONS AT ABOUT 1,000*C., HAVING A FUEL ELECTRODE ON ONE SIDE OF THE ELECTROLYTE AND AN AIR ELECTRODE ON THE OPPOSITE SIDE THEREOF, AND THE AIR ELECTRODE BEING COMPOSED OF ONE OF THE MATERIALS INCLUDING INDIUM OXIDE AND TIN OXIDE WHICH IS DOPED TO BE AN ELECTRONIC CONDUCTOR HAVING A RESISTIVELY OF LESS THAN 10-3 OHM-CENTIMETERS.
Inventors
- 👤 Edward F Sverdrup
- 👤 Albert D Glasser
- 👤 David H Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:20
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/90; H01M4/9016; H01M4/9025; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |