Patent US3350230A successfully refreshed from Google Patents.
US3350230A
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Fuel cell having solid stabilized zirconium oxide electrolyte
Assignee: Compagnie Francaise de Raffinage SA
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Filing: 1963-05-06
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Granted: 1967-10-31
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Expires: 1983-05-06
Abstract
No abstract record available.
Inventors
- 👤 Tannenberger Helmut
- 👤 Schachner Herbert
- 👤 Simm Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:30
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/48; C04B35/486; H; H01; H01M; H01M8/00; H01M8/10; H01M8/12; H01M8/124; H01M8/1246; H01M8/1253; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50; Y02P; Y02P70/00; Y02P70/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A FUEL-CELL BATTERY OF THE CHARACTER DESCRIBED FOR PRODUCING ELECTRIC ENERGY DIRECTLY FROM THE OXIDATION OF A FUEL IN SAID BATTERY AND HAVING A PAIR OF ELECTRODES AND A SELF-SUSTAINING SOLID ELECTROLYTE MEMBER SEPARATING SAID ELECTRODES, THE IMPROVEMENT IN WHICH SAID SOLID ELECTROLYTE MEMBER COMPRISES A SINTERED TERNARY MIXTURE OF STABILIZED ZIRCONIUM OXIDE AS A MAJOR COMPONENT WITH MINOR PORTIONS OF CALCIUM AND MAGNESIUM OXIDES ADMIXED THEREWITH, SAID ELECTROLYTE MEMBER HAVING A RESISTIVITY OF NO MORE THAN ABOUT 130 OHM CM. AT ABOUT 800*C.
Claim 2
Dependent Claim
85 words
IN A FUEL-CELL BATTERY OF THE CHARACTER DESCRIBED FOR PRODUCING ELECTRIC ENERGY DIRECTLY FROM THE OXIDATION OF A FUEL IN SAID BATTERY AND HAVING A PAIR OF ELECTRODES AND A SELF-SUSTAINING SOLID ELECTROLYTE MEMBER SEPARATING SAID ELECTRODES, THE IMPROVEMENT IN WHICH SAID SOLID ELECTROLYTE MEMBER COMPRISES A SINTERED TERNARY MIXTURE OF STABILIZED ZIRCONIUM OXIDE AS A MAJOR COMPONENT WITH MINOR PORTIONS OF CALCIUM AND MAGNESIUM OXIDES ADMIXED THEREWITH, SAID ELECTROLYTE MEMBER HAVING A RESISTIVITY OF NO MORE THAN ABOUT 130 OHM CM. AT ABOUT 800*C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |