US3849200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed sodium-iodine battery
Assignee: General Electric Co
•
Filing: 1971-06-18
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Granted: 1974-11-19
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Expires: 1991-06-18
Abstract
Abstract A sealed sodium-iodine battery is disclosed which comprises a casing, a solid sodium anode positioned in the casing, a solid sodium ion-conductive electrolyte adjacent the anode and a solid iodine cathode positioned adjacent the opposite side of the electrolyte.
Inventors
- 👤 R Charles
- 👤 S Mitoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:40
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; H01M10/39; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
45 words
A SEALED SODIUM-IODINE BATTERY OPERABLE AT A TEMPERATURE OF APPROXIMATELY 120*C CONSISTING OF A CASING, A LIQUID SODIUM ANODE POSITIONED IN THE CASING, A SOLID SODIUM BETA-ALUMINA ION-CONDUCTIVE ELECTROLYTE ADJACENT THE ANODE, AND A LIQUID IODINE CATHODE POSITIONED ADJACENT THE OPPOSITE SIDE OF THE ELECTROLYTE.
Claim 2
Dependent Claim
45 words
A SEALED SODIUM-IODINE BATTERY OPERABLE AT A TEMPERATURE OF APPROXIMATELY 120*C CONSISTING OF A CASING, A LIQUID SODIUM ANODE POSITIONED IN THE CASING, A SOLID SODIUM BETA-ALUMINA ION-CONDUCTIVE ELECTROLYTE ADJACENT THE ANODE, AND A LIQUID IODINE CATHODE POSITIONED ADJACENT THE OPPOSITE SIDE OF THE ELECTROLYTE.
Claim 3
Dependent Claim
57 words
In a sealed sodium-iodine battery as in claim 1, in which the casing has an anode portion and a cathode portion, the anode portion consisting of a metal selected from the class consisting of nickel, Kovar alloy, niobium and tantalum, and the cathode portion consisting of a metal selected from the class consisting of niobium and tantalum.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |