US3966491A
Expired / Lapsed
US
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Molten salt electrochemical systems for battery applications
Assignee: United States Department of the Army
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Filing: 1975-02-13
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Granted: 1976-06-29
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Expires: 1995-02-13
Abstract
Abstract A molten salt electrochemical system for battery applications is provided mprising aluminum as the anode, positive oxidation states of either iodine or sulfur as the cathode, and a low-melting molten mixture of aluminum chloride and alkali chloride disposed between the anode and cathode and in contact with each.
Inventors
- 👤 Gleb Mamantov
- 👤 Roberto Marassi
- 👤 James Q. Chambers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:25
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/58; H01M4/582; H01M10/00; H01M10/36; H01M10/39; H01M10/399; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
56 words
An electrochemical system comprising an aluminum anode, a cathode spaced from said anode where said cathode comprises positive oxidation states of an element selected from the group consisting of sulfur and iodine and a low melting molten mixture of aluminum chloride and alkali chloride disposed between said anode and said cathode and in contact with each.
Claim 2
Dependent Claim
56 words
An electrochemical system comprising an aluminum anode, a cathode spaced from said anode where said cathode comprises positive oxidation states of an element selected from the group consisting of sulfur and iodine and a low melting molten mixture of aluminum chloride and alkali chloride disposed between said anode and said cathode and in contact with each.
Claim 3
Dependent Claim
16 words
An electrochemical system according to claim 1 wherein the cathode comprises positive oxidation states of sulfur.
Claim 4
Dependent Claim
16 words
An electrochemical system according to claim 1 wherein the cathode comprises positive oxidation states of iodine.
Claim 5
Dependent Claim
31 words
An electrochemical system according to claim 1 wherein the low melting molten mixture is comprised of 51 to 20 mole percent NaCl and 49 to 80 mole percent AlCl 3 .
Claim 6
Dependent Claim
41 words
An electrochemical system according to claim 1 wherein the cathode comprises positive oxidation states of sulfur and wherein the low melting molten mixture is comprises of 51 to 20 mole percent NaCl and 49 to 80 mole percent AlCl 3 .
Claim 7
Dependent Claim
40 words
An electrochemical system according to claim 1 wherein the cathode comprises positive oxidation states of iodine and wherein the low melting molten mixture is comprises of 51 to 20 mole percent NaCl and 49 to 80 percent AlCl 3 .
References Cited (Backward Citations)
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Cited
US3573986A
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US3811947A
Cited
US3751298A
Cited
US3770503A
Cited
US3827910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-29 | 1979-12-29 | 1980-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-29 | 1983-12-29 | 1984-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-29 | 1987-12-29 | 1988-06-29 | $7700.00 | Window Closed / Lapsed |