US3645795A
Expired / Lapsed
US
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Electrochemical cells
Assignee: Globe Union Inc
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Filing: 1966-12-07
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Granted: 1972-02-29
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Expires: 1986-12-07
Abstract
Abstract Electrochemical primary and secondary cells which utilize alkali or alkaline earth metal anodes such as lithium, potassium, sodium, calcium and magnesium, and catalytic air electrodes which utilize components of the atmosphere, namely, oxygen and water as a source of electrochemical power. The electrolyte system in the electrochemical cells comprises a nonaqueous electrolyte solvent, namely, an organic solvent of sufficient polarity to dissolve an electrolyte salt.
Inventors
- 👤 William E Elliott
- 👤 James R Huff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:36
CPC Classifications
H; H01; H01M; H01M12/00; H01M12/04; H01M12/06; H01M6/00; H01M6/14; H01M6/16; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
23 words
An electrochemical cell according to claim 1 wherein the anode is selected from the group consisting of lithium, potassium, sodium, calcium and magnesium.
Claim 2
Dependent Claim
13 words
An electrochemical cell according to claim 1 wherein the anode is metallic lithium.
Claim 3
Dependent Claim
14 words
An electrochemical cell according to claim 1 wherein the electrolyte solvent is propylene carbonate.
Claim 4
Dependent Claim
20 words
An electrochemical cell according to claim 1 wherein the electrolyte solvent is a liquid mixture of propylene and ethylene carbonate.
Claim 5
Dependent Claim
25 words
An electrochemical cell capable of operating at ambient conditions comprising an anode of lithium, an electrolyte of lithium perchlorate/N-nitrosodimethylamine and a compatible moist air electrode.
Claim 6
Dependent Claim
25 words
An electrochemical cell capable of operating at ambient conditions comprising an anode of lithium, an electrolyte of phenyltriethylammonium hexafluorophosphate/N-nitrosodimethylamine and a compatible moist air electrode.
Claim 7
Dependent Claim
39 words
An electrochemical cell according to claim 1 wherein the electrolyte salt is selected from the group consisting of lithium perchlorate, magnesium chloride, tetra-N-butylammonium chloride, aluminum chloride, tri-N-propylammonium hexafluoroarsenate, potassium hexafluorophosphate, tetramethylammonium hexafluorophosphate, phenyl trimethylammonium hexafluorophosphate and quaternary ammonium hydroxides.
Claim 8
Dependent Claim
81 words
An electrochemical cell capable of operation at ambient conditions comprising an anode of a metal selected from the group consisting of solid alkali and alkaline earth metals, a compatible nonmolten nonaqueous organic electrolyte system comprising; a. An electrolyte solvent selected from the group consisting of disubstituted nitrosoamines of the formula: wherein R1 and R2 are each independently selected from the group of alkyl groups containing up to four carbon atoms, and b. an electrolyte salt; and a compatible moist air electrode.
Claim 9
Dependent Claim
13 words
An electrochemical cell according to claim 9 wherein the electrolyte solvent is N-nitrosodimethylamine.
References Cited (Backward Citations)
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US2855452A
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US3185590A
Cited
US3160526A
Cited
US3279952A
Cited
US3393093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |