US4143214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cells having cathodes containing Cs S cathode-active materials
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1978-06-26
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Granted: 1979-03-06
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Expires: 1998-06-26
Abstract
Abstract The present invention is directed to an electric current-producing cell which contains: (a) an anode having as its anode-active material one or more alkali metals; (b) a cathode having as its cathode-active material one or more carbon-sulfur compounds having the formula: C x S, wherein x is a numerical value within the range of about 4 to about 50; and, (c) an electrolyte which is chemically inert with respect to said anode and said cathode and which permits the migration of ions between said anode and said cathode.
Inventors
- 👤 Chin H. Chang
- 👤 John M. Longo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:30
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/052; C; C01; C01B; C01B32/00; C01B32/70; H01M10/056; H01M10/0561; H01M10/0563; H01M10/0564; H01M10/0566; H01M10/0568; H01M10/0569; H01M10/36; H01M4/00; H01M4/02; H01M4/13; H01M4/133; H01M4/136; H01M4/36; H01M4/58; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
79 words
An electric current-producing cell, comprising: (a) an anode having as its anode-active material one or more alkali metals; (b) a cathode having as its cathode-active material one or more carbon-sulfur compounds having the formula: C.sub.x S wherein x is a numerical value within the range of about 4 to about 50; and, (c) an electrolyte which is chemically inert with respect to said anode and said cathode and which permits the migration of ions between anode and said cathode.
Claim 2
Dependent Claim
79 words
An electric current-producing cell, comprising: (a) an anode having as its anode-active material one or more alkali metals; (b) a cathode having as its cathode-active material one or more carbon-sulfur compounds having the formula: C.sub.x S wherein x is a numerical value within the range of about 4 to about 50; and, (c) an electrolyte which is chemically inert with respect to said anode and said cathode and which permits the migration of ions between anode and said cathode.
Claim 3
Dependent Claim
17 words
The cell of claim 1 wherein x is within the range of about 4 to about 20.
Claim 4
Dependent Claim
17 words
The cell of claim 2 wherein x is within the range of about 4 to about 10.
Claim 5
Dependent Claim
19 words
The cell of claim 1 wherein said anode-active material is selected from the group consisting of lithium and sodium.
Claim 6
Dependent Claim
17 words
The cell of claim 4 wherein x is within the range of about 4 to about 20.
Claim 7
Dependent Claim
17 words
The cell of claim 5 wherein x is within the range of about 4 to about 10.
Claim 8
Dependent Claim
11 words
The cell of claim 1 wherein said anode-active material is lithium.
Claim 9
Dependent Claim
17 words
The cell of claim 7 wherein x is within the range of about 4 to about 20.
Claim 10
Dependent Claim
17 words
The cell of claim 8 wherein x is within the range of about 4 to about 10.
Claim 11
Dependent Claim
15 words
The cell of claim 1 wherein the electrolyte contains at least one cyclic ether solvent.
Claim 12
Dependent Claim
28 words
The cell of claim 1 wherein said anode-active material is lithium and said electrolyte is a lithium salt dissolved in a solvent containing at least one organic ether.
Claim 13
Dependent Claim
11 words
The cell of claim 1 wherein said electrolyte is a solid.
Claim 14
Dependent Claim
12 words
The cell of claim 1 wherein said electrolyte is a molten salt.
Claim 15
Dependent Claim
18 words
The cell of claim 1 wherein said electrolyte is an alkali metal salt dissolved in an inorganic solvent.
Claim 16
Dependent Claim
27 words
The cell of claim 14 wherein said inorganic solvent is selected from the group consisting of phosphorus oxychloride, monofluorophosphoryl dichloride, thionyl chloride, sulfuryl chloride, and mixtures thereof.
Claim 17
Dependent Claim
20 words
The cell of claim 15 wherein said anode-active material is lithium and said alkali metal salt is a lithium salt.
Claim 18
Dependent Claim
43 words
The cell of claim 16 wherein said lithium salt is selected from the group consisting of lithium boron halides, lithium aluminum halides, lithium phosphorus halides, lithium arsenic halides, lithium antimony halides, lithium tin halides, lithium zirconium halides, lithium titanium halides and mixtures thereof.
Claim 19
Dependent Claim
14 words
The cell of claim 17 wherein said lithium salt is a lithium aluminum halide.
Claim 20
Dependent Claim
12 words
The cell of claim 18 wherein said lithium salt is lithium tetrachloroaluminate.
Claim 21
Dependent Claim
11 words
The cell of claim 19 wherein said solvent is thionyl chloride.
References Cited (Backward Citations)
US3762954A
Cited
US3811947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-03-05 | 1982-09-04 | 1983-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-05 | 1986-09-04 | 1987-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-05 | 1990-09-04 | 1991-03-06 | $7700.00 | Window Closed / Lapsed |