US3416967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical device comprising metal oxide containing solid electrolyte and electrode
Assignee: General Electric Co
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Filing: 1965-06-10
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Granted: 1968-12-17
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Expires: 1985-06-10
Abstract
No abstract record available.
Inventors
- 👤 Donald W White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:33
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: 4
Claim 1
Independent Claim
111 words
IN AN ELECTRICAL DEVICE FOR OPERATION AT TEMPERATURES IN EXCESS OF ABOUT 600*C., SAID DEVICE COMPRISING A SOLID ANODE LAYER AND A SOLID CATHODE LAYER AS THE ELECTRODES SEPARTED BY AND IN DIRECT CONTACT WITH A LAYER OF A SINTERED SOLID-OXIDE ION ELECTROLYTE SELECTED FROM THE GROUP CONSISTING OF STABILIZED ZIRCONIA AND DOPED THORIA, THE IMPROVEMENT WHEREIN AT LEAST ONE ELECTRODE IS (A) SUBSTANTIALLY NON-POROUS (B) TIGHTLY ADHERENT TO THE ELECTROLYTE LAYER AND (C) CONSISTS OF A SOLID OXIDE ION ELECTROLYTE SELECTED FROM THE ABOVE MENTIONED GROUP HAVING AT LEAST PARTIALLY DISSOLVED THEREIN, 2 WEIGHT PERCENT OT 40 WEIGHT PERCENT OF URANIUM DIOXIDE, SAID MIXTURE EXHIBITING BOTH IONIC AND ELECTRONIC CONDUCTIVITY.
Claim 2
Dependent Claim
111 words
IN AN ELECTRICAL DEVICE FOR OPERATION AT TEMPERATURES IN EXCESS OF ABOUT 600*C., SAID DEVICE COMPRISING A SOLID ANODE LAYER AND A SOLID CATHODE LAYER AS THE ELECTRODES SEPARTED BY AND IN DIRECT CONTACT WITH A LAYER OF A SINTERED SOLID-OXIDE ION ELECTROLYTE SELECTED FROM THE GROUP CONSISTING OF STABILIZED ZIRCONIA AND DOPED THORIA, THE IMPROVEMENT WHEREIN AT LEAST ONE ELECTRODE IS (A) SUBSTANTIALLY NON-POROUS (B) TIGHTLY ADHERENT TO THE ELECTROLYTE LAYER AND (C) CONSISTS OF A SOLID OXIDE ION ELECTROLYTE SELECTED FROM THE ABOVE MENTIONED GROUP HAVING AT LEAST PARTIALLY DISSOLVED THEREIN, 2 WEIGHT PERCENT OT 40 WEIGHT PERCENT OF URANIUM DIOXIDE, SAID MIXTURE EXHIBITING BOTH IONIC AND ELECTRONIC CONDUCTIVITY.
Claim 3
Dependent Claim
110 words
IN A FUEL CELL FOR OPERATION AT TEMPERATURES IN EXCESS OF ABOUT 600*C., SAID FUEL CELL COMPRISING A SOLID ANODE LAYER AND A SOLID CATHODE LAYER AS THE ELECTRODES SEPARTED BY AND IN DIRECT CONTACT WITH A LAYER OF A SINTERED SOLIDOXIDE-ION ELECTROLYTE SELECTED FROM THE GROUP CONSISTING OF STABILIZED ZIRCONIA AND DOPED THORIA, THE IMPROVEMENT WHEREIN AT LEAST ONE ELECTRODE IS (A) SUBSTANTIALLY NONPOROUS (B) TIGHTLY ADHERENT TO THE ELECTROLYTE LAYER AND (C) CONSISTS OF A SOLID OXIDE-ION ELECTROLYTE SELECTED FROM THE ABOVE MENTIONED GROUP HAVING AT LEAST PARTIALLY DISSOLVED THEREIN, 2 WEIGHT PERCENT TO 40 WEIGHT PERCENT OF URANIUM DIOXIDE, SAID MIXTURE EXHIBITING BOTH IONIC AND ELECTRONIC CONDUCTIVITY.
Claim 4
Dependent Claim
110 words
IN A FUEL CELL FOR OPERATION AT TEMPERATURES IN EXCESS OF ABOUT 600*C., SAID FUEL CELL COMPRISING A SOLID ANODE LAYER AND A SOLID CATHODE LAYER AS THE ELECTRODES SEPARTED BY AND IN DIRECT CONTACT WITH A LAYER OF A SINTERED SOLIDOXIDE-ION ELECTROLYTE SELECTED FROM THE GROUP CONSISTING OF STABILIZED ZIRCONIA AND DOPED THORIA, THE IMPROVEMENT WHEREIN AT LEAST ONE ELECTRODE IS (A) SUBSTANTIALLY NONPOROUS (B) TIGHTLY ADHERENT TO THE ELECTROLYTE LAYER AND (C) CONSISTS OF A SOLID OXIDE-ION ELECTROLYTE SELECTED FROM THE ABOVE MENTIONED GROUP HAVING AT LEAST PARTIALLY DISSOLVED THEREIN, 2 WEIGHT PERCENT TO 40 WEIGHT PERCENT OF URANIUM DIOXIDE, SAID MIXTURE EXHIBITING BOTH IONIC AND ELECTRONIC CONDUCTIVITY.
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |