US4277545A
Expired / Lapsed
US
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Nonaqueous cell
Assignee: Edgewell Personal Care Brands LLC
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Filing: 1980-05-06
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Granted: 1981-07-07
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Expires: 2000-05-06
Abstract
Abstract A nonaqueous cell utilizing an active metal anode, such as lithium, a cathode collector and an ionically conductive cathode-electrolyte comprising a solute dissolved in a liquid cathode, such as an oxyhalide, and wherein a vinyl polymer is dissolved in the cathode-electrolyte.
Inventors
- 👤 Tibor Kalnoki-Kis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:04
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/14
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
35 words
A nonaqueous cell comprising an active metal anode; a cathode collector; an ionically conductive cathode-electrolyte solution comprising a solute dissolved in an active liquid cathode; and wherein a vinyl polymer is dissolved in the cathode-electrolyte.
Claim 2
Dependent Claim
35 words
A nonaqueous cell comprising an active metal anode; a cathode collector; an ionically conductive cathode-electrolyte solution comprising a solute dissolved in an active liquid cathode; and wherein a vinyl polymer is dissolved in the cathode-electrolyte.
Claim 3
Dependent Claim
57 words
The nonaqueous cell of claim 1 wherein the vinyl polymer is selected from the group consisting of homopolymers of vinyl or vinylidene chloride, and copolymers containing vinyl chloride or vinylidene chloride having at least one monomer copolymerized therein selected from the group consisting of vinyl esters, dibasic acids, diesters of dibasic acids and monoesters of dibasic acids.
Claim 4
Dependent Claim
30 words
The nonaqueous cell of claim 1 wherein the vinyl polymer is selected from the group consisting of vinyl chloride-vinyl acetate copolymers, vinyl chloride-vinyl acetate-dibasic acid copolymers and vinyl chloride homopolymers.
Claim 5
Dependent Claim
31 words
The nonaqueous cell of claim 1, 2 or 3 wherein the concentration of the vinyl polymer in the cathode-electrolyte ranges from about 0.25 to 4.0 grams per liter of the electrolyte.
Claim 6
Dependent Claim
31 words
The nonaqueous cell of claim 1, 2 or 3 wherein the concentration of the vinyl polymer in the cathode-electrolyte ranges from about 0.5 to 1.5 grams per liter of the electrolyte.
Claim 7
Dependent Claim
28 words
The nonaqueous cell of claim 1, 2 or 3 wherein the cathode-electrolyte contains a material selected from the group consisting of lithium sulfide, sulfur monochloride and mixtures thereof.
Claim 8
Dependent Claim
39 words
The nonaqueous cell of claim 1, 2 or 3 wherein the cathode-electrolyte contains at least one liquid oxyhalide selected from the group consisting of thionyl chloride, sulfuryl chloride, phosphorus oxychloride, thionyl bromide, chromyl chloride, vanadyl tribromide and selenium oxychloride.
Claim 9
Dependent Claim
25 words
The nonaqueous cell of claim 7 wherein the at least one liquid oxyhalide is selected from the group consisting of thionyl chloride and sulfuryl chloride.
Claim 10
Dependent Claim
25 words
The nonaqueous cell of claim 1, 2 or 3 wherein the anode is selected from the group consisting of lithium, sodium, calcium, potassium, and aluminum.
Claim 11
Dependent Claim
13 words
The nonaqueous cell of claim 7 wherein the cathode-electrolyte contains an inorganic cosolvent.
Claim 12
Dependent Claim
13 words
The nonaqueous cell of claim 7 wherein the cathode-electrolyte contains an organic cosolvent.
Claim 13
Dependent Claim
18 words
The nonaqueous cell of claim 7 wherein the anode is lithium and the liquid oxyhalide is thionyl chloride.
Claim 14
Dependent Claim
18 words
The nonaqueous cell of claim 7 wherein the anode is lithium and the liquid oxyhalide is sulfuryl chloride.
Claim 15
Dependent Claim
25 words
The nonaqueous cell of claim 1, 2 or 3 wherein the solute is a complex salt of a Lewis acid and an inorganic ionizable salt.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-07-06 | 1985-01-05 | 1985-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-06 | 1989-01-05 | 1989-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-06 | 1993-01-05 | 1993-07-07 | $7700.00 | Window Closed / Lapsed |