Patent US3669745A successfully refreshed from Google Patents.
US3669745A
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US
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Accumulator electrode with capacity for storing hydrogen and method of manufacturing said electrode
Assignee: Battelle Memorial Institute Inc
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Filing: 1970-04-24
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Granted: 1972-06-13
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Expires: 1990-04-24
Abstract
Abstract AN ACCUMULATOR ELECTRODE WITH CAPACITY FOR STORING HYDROGEN, HAVING AN ACTIVE COMPONENT CONSTITUTING AT LEAST 40% BY WEIGHT OF THE ELECTRODE AND CONSISTING OF A HYDRIDE OF A METAL BELONGING TO THE THIRD, FOURTH OR FIFTH GROUP OF TRANSITION ELEMENTS. THE ELECTRODE FURTHER CONTAINS NICKEL, COPPER, SILVER, IRON OR CHROME-NICKEL STEEL ALLOYED WITH THE ACTIVE COMPONENT AND COMPRISES A METALLIC SUPPORTING STRUCTURE. A METHOD OF MANUFACTURING THIS ELECTRODE, COMPRISES PREPARING A METAL POWDER CONTAINING THE ACTIVE COMPONENT AND SAID OTHER METAL AND SINTERING SAID POWDER IN HYDROGEN AT 700 TO 1000*C.
Inventors
- 👤 Klaus Beccu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:48
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/24; H01M4/242; H01M4/86; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y02E60/30; Y02E60/32; 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) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |