US3281273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel cell
Assignee: Isomet Corp
•
Filing: 1961-05-05
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Granted: 1966-10-25
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Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 Oser Willem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:23
CPC Classifications
H; H01; H01M; H01M8/00; H01M8/10; H01M8/12; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A PROCESS FOR DIRECT ELECTROCHEMICAL CONVERSION OF CHEMICAL ENERGY BY REACTION OF A COMBUSTIBLE MATERIAL WITH OXYGEN IN A FUEL CELL HAVING A PAIR OF GAS-POROUS ELECTRODES SEPARATED BY A GAS-TIGHT MIXED OXIDE SOLID ELECTROLYTE HAVING A COMPLETE CATION LATTICE AND AN INCOMPLETE ANION LATTICE IN A SUBSTANTIALLY PURE, FLUORITE LATTICE STRUCTURE WITH REPRODUCIBLE LATTICE DEFECTS, SAID PROCESS, COMPRISING INTRODUCING OXYGEN IN A REGION ADJACENT A FIRST OF SAID ELECTRODES, INTRODUCING COMBUSTIBLE MATERIAL IN A REGION ADJACENT A SECOND OF SAID ELECTRODES, MAINTAINING SAID ELECTROLYTE AT TEMPERATURES IN A RANGE ABOVE APPROXIMATELY 600*C., SAID ELECTROLYTE SUPPORTING SUBSTANTIALLY PURE CONDUCTION OF OXYGEN IONS THEREACROSS, WHEREBY OXYGEN IONS REACT WITH SAID COMBUSTIBLE MATERIAL TO ESTABLISH AN ELECTROPOTENTIAL DIFFERENCE ACROSS SAID ELECTRODES, AND EXHAUSTING THE PRODUCT OF SAID REACTION FROM SAID CELL, SAID ELECTROLYTE BEING STABLE AGAINST THE REDUCING ACTION OF SAID COMBUSTIBLE MATERIAL.
Claim 2
Dependent Claim
141 words
A PROCESS FOR DIRECT ELECTROCHEMICAL CONVERSION OF CHEMICAL ENERGY BY REACTION OF A COMBUSTIBLE MATERIAL WITH OXYGEN IN A FUEL CELL HAVING A PAIR OF GAS-POROUS ELECTRODES SEPARATED BY A GAS-TIGHT MIXED OXIDE SOLID ELECTROLYTE HAVING A COMPLETE CATION LATTICE AND AN INCOMPLETE ANION LATTICE IN A SUBSTANTIALLY PURE, FLUORITE LATTICE STRUCTURE WITH REPRODUCIBLE LATTICE DEFECTS, SAID PROCESS, COMPRISING INTRODUCING OXYGEN IN A REGION ADJACENT A FIRST OF SAID ELECTRODES, INTRODUCING COMBUSTIBLE MATERIAL IN A REGION ADJACENT A SECOND OF SAID ELECTRODES, MAINTAINING SAID ELECTROLYTE AT TEMPERATURES IN A RANGE ABOVE APPROXIMATELY 600*C., SAID ELECTROLYTE SUPPORTING SUBSTANTIALLY PURE CONDUCTION OF OXYGEN IONS THEREACROSS, WHEREBY OXYGEN IONS REACT WITH SAID COMBUSTIBLE MATERIAL TO ESTABLISH AN ELECTROPOTENTIAL DIFFERENCE ACROSS SAID ELECTRODES, AND EXHAUSTING THE PRODUCT OF SAID REACTION FROM SAID CELL, SAID ELECTROLYTE BEING STABLE AGAINST THE REDUCING ACTION OF SAID COMBUSTIBLE MATERIAL.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |