US4469763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lithium oxyhalide battery with cathode catalyst
Assignee: Tracer Technologies Inc
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Filing: 1983-10-21
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Granted: 1984-09-04
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Expires: 2003-10-21
Abstract
Abstract In a lithium oxyhalide battery having an anode containing lithium, calcium or a combination thereof, a non-aqueous electrolyte containing an oxyhalide such as thionyl chloride, sulfuryl chloride or phosphorous oxychloride and a cathode, the improvement comprising: (a) addition of a tetraaza-[14]-annulene complex to the cathode.
Inventors
- 👤 Fraser Walsh
- 👤 R. Scott Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:57
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14; H01M10/00; H01M10/42; H01M10/4235; H01M4/00; H01M4/02; H01M4/13; H01M4/134; H01M4/62; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
33 words
In an oxyhalide cell having an anode, a non-aqueous electrolyte containing an oxyhalide and an electrolyte salt, and a cathode, wherein the improvement comprises the addition of a tetraaza-[14]-annulene complex to the cathode.
Claim 2
Dependent Claim
33 words
In an oxyhalide cell having an anode, a non-aqueous electrolyte containing an oxyhalide and an electrolyte salt, and a cathode, wherein the improvement comprises the addition of a tetraaza-[14]-annulene complex to the cathode.
Claim 3
Dependent Claim
32 words
The oxyhalide cell of claim 1 wherein the anode contains an element selected from the group consisting of lithium, calcium mixtures thereof, the amalgams of lithium or calcium with mercury, or cadmium.
Claim 4
Dependent Claim
10 words
The cell of claim 2 wherein the anode contains lithium.
Claim 5
Dependent Claim
23 words
The oxyhalide cell of claim 3 wherein the oxyhalide is selected from the group consisting of thionyl chloride, sulfuryl chloride and phosphorus oxychloride.
Claim 6
Dependent Claim
13 words
The oxyhalide cell of claim 4 wherein the cathode is metal or carbon.
Claim 7
Dependent Claim
21 words
The oxyhalide cell of claim 5 wherein the metal is selected from the group consisting of platinum, nickel and stainless steel.
Claim 8
Dependent Claim
20 words
The oxyhalide cell of claim 1 wherein the tetraaza-[14]-annulene complex is made from the reaction of 1,2-diamino aromatics with 1,3-dioxoalkanes.
Claim 9
Dependent Claim
17 words
The oxyhalide cell of claim 1 wherein the tetraaza-[14]-annulene complex is a transition metal complex of dibenzotetraaza-[14]-annulene.
Claim 10
Dependent Claim
20 words
The oxyhalide cell of claim 8 wherein the transition metal is selected from the group consisting of iron and cobalt.
Claim 11
Dependent Claim
18 words
The oxyhalide cell of claim 1 wherein the tetraaza-[14]-annulene complex is added to the cathode by physical mixing.
Claim 12
Dependent Claim
20 words
The oxyhalide cell of claim 1 wherein the tetraaza-[14]-annulene complex is covalently bonded to the cathode via an alkyl chain.
Claim 13
Dependent Claim
25 words
The oxyhalide cell of claim 1 wherein the tetraaza-[14]-annulene complex is added to the cathode by means of adsorption from or evaporation of a solvent.
Claim 14
Dependent Claim
12 words
The oxyhalide cell of claim 10 wherein the cathode is heat treated.
Claim 15
Dependent Claim
20 words
The oxyhalide cell of claim 1 wherein the tetraaza-[14]-annulene complex is from 1 to 10 weight percent of the cathode.
Claim 16
Dependent Claim
17 words
The oxyhalide cell of claim 13 wherein the tetraaza-[14]-annulene complex is 10 weight percent of the cathode.
References Cited (Backward Citations)
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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) | 1987-09-04 | 1988-03-05 | 1988-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-04 | 1992-03-05 | 1992-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-04 | 1996-03-05 | 1996-09-04 | $7700.00 | Window Closed / Lapsed |