US3751298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal, rechargeable electrochemical cell having lithium monoaluminide electrode and lithium tetrachloroaluminate electrolyte
Assignee: Edgewell Personal Care Brands LLC
•
Filing: 1971-05-21
•
Granted: 1973-08-07
•
Expires: 1991-05-21
Abstract
Abstract Thermal, rechargeable electrochemical cells are disclosed which have, in the charged condition, a lithium monoaluminide anode and a lithium tetrachloroaluminate electrolyte. The cathode can be any suitable material.
Inventors
- 👤 S Senderoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:05
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/36; H01M10/39; H01M10/399; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
32 words
The thermal electrochemical cell of claim 1 wherein said anode has from about 50 to about 63 atomic per cent lithium, and from about 37 to about 50 atomic per cent aluminum.
Claim 2
Dependent Claim
29 words
The thermal electrochemical cell of claim 2 wherein the cathode is silver chloride, copper chloride, copper chloroaluminate, nickel chloride, nickel fluoride, cuprous oxide, cupric oxide, oxygen/carbon, air/carbon, or chlorine/carbon.
Claim 3
Dependent Claim
13 words
The thermal electrochemical cell of claim 3 wherein the cathode is copper chloride.
Claim 4
Dependent Claim
26 words
The thermal electrochemical cell of claim 2 wherein the anode consists essentially of about 50 mole per cent lithium and about 50 mole per cent aluminum.
Claim 5
Dependent Claim
61 words
In a thermal, rechargeable electrochemical cell having an anode, a cathode, and a normally solid, but fusible electrolyte in contact with said anode and said cathode, the improvement wherein: said anode consists essentially of lithium monoaluminide; and said electrolyte consists essentially of lithium tetrachloroaluminate; said said cell being operable at a temperature at which said electrolyte is in a molten condition.
References Cited (Backward Citations)
US3410730A
Cited
US3428493A
Cited
US3445288A
Cited
US3462312A
Cited
US3415687A
Cited
US3567516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |