US3959012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite cathode materials for solid state batteries
Assignee: Duracell Inc USA
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Filing: 1974-04-25
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Granted: 1976-05-25
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Expires: 1994-04-25
Abstract
Abstract A solid electrolyte cell is disclosed containing a lithium anode, a solid electrolyte of the lithium halide type and a cathode-active material consisting of a metal halide and a metal chalcogenide, said metals being selected from the group consisting of silver, copper, mercury, tin, lead, chromium, iron, cobalt, nickel, molybdenum, arsenic, antimony and bismuth.
Inventors
- 👤 C. C. Liang
- 👤 L. H. Barnette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:57
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/58; H01M6/00; H01M6/14; H01M6/18; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
77 words
A solid state cell comprising an anode; a solid electrolyte; and a cathode comprising as cathode-active material a mixture of a metal halide and at least one metal chalcogenide, said metal halide being selected from the bromides and iodides of metals of the group consisting of lead, silver, copper, antimony, mercury, arsenic, bismuth, chromium, iron, cobalt, nickel, molybdenum and tin, said metal chalcogenide selected from the group consisting of the sulfides, selenides and tellurides of said metals.
Claim 2
Dependent Claim
77 words
A solid state cell comprising an anode; a solid electrolyte; and a cathode comprising as cathode-active material a mixture of a metal halide and at least one metal chalcogenide, said metal halide being selected from the bromides and iodides of metals of the group consisting of lead, silver, copper, antimony, mercury, arsenic, bismuth, chromium, iron, cobalt, nickel, molybdenum and tin, said metal chalcogenide selected from the group consisting of the sulfides, selenides and tellurides of said metals.
Claim 3
Dependent Claim
18 words
The cell according to claim 1 wherein the cathode-active material is the sole electronic conductor in said cathode.
Claim 4
Dependent Claim
17 words
The cell according to claim 1 wherein said cathode comprises said cathode-active material and an electronic conductor.
Claim 5
Dependent Claim
20 words
The cell according to claim 1 wherein said cathode comprises the cathode-active material, an ionic conductor and an electronic conductor.
Claim 6
Dependent Claim
21 words
The cell according to claim 4 wherein said electronic conductor is a metal and said ionic conductor is the solid electrolyte.
Claim 7
Dependent Claim
24 words
The cell according to claim 1 wherein said anode is lithium and said solid electrolyte consists of lithium iodide, lithium hydroxide, and aluminum oxide.
Claim 8
Dependent Claim
17 words
The cell according to claim 1 wherein said solid electrolyte consists of lithium iodide and aluminum oxide.
Claim 9
Dependent Claim
19 words
The cell according to claim 1 wherein said cathode-active material consists of a mixture of PbI 2 and PbS.
Claim 10
Dependent Claim
19 words
The cell according to claim 1 wherein said cathode-active material is a mixture of CuI and Cu 2 S.
Claim 11
Dependent Claim
21 words
The cell according to claim 1 wherein said cathode-active material consists of a mixture of PbI 2 , PbS and PbTe.
Claim 12
Dependent Claim
21 words
The cell according to claim 1 wherein said cathode-active material consists of a mixture of PbI 2 , PbSe and PbTe.
Claim 13
Dependent Claim
21 words
The cell according to claim 1 wherein said cathode-active material consists of a mixture of PbI 2 , PbS and PbSe.
Claim 14
Dependent Claim
81 words
A cathode-active material comprising a mixture of a metal halide and at least one metal chalcogenide, said metal of the metal halide being selected from the group consisting of Pb, Ag, Cu, Sb, As, Hg, Bi, Mo, Sn, Ni, Cr, Fe, and Co; and said metal of said metal chalcogenide also selected from said group; said halide being selected from the bromides and iodides of said metals; and said chalcogenides being selected from the sulfides, selenides and tellurides of said metals.
Claim 15
Dependent Claim
81 words
A cathode-active material comprising a mixture of a metal halide and at least one metal chalcogenide, said metal of the metal halide being selected from the group consisting of Pb, Ag, Cu, Sb, As, Hg, Bi, Mo, Sn, Ni, Cr, Fe, and Co; and said metal of said metal chalcogenide also selected from said group; said halide being selected from the bromides and iodides of said metals; and said chalcogenides being selected from the sulfides, selenides and tellurides of said metals.
Claim 16
Dependent Claim
15 words
The cathode-active material according to claim 13 comprising a mixture of PbI 2 and PbS.
Claim 17
Dependent Claim
16 words
The cathode-active material according to claim 13 comprising a mixture of CuI, and Cu 2 S.
Claim 18
Dependent Claim
17 words
The cathode-active material according to claim 13 comprising a mixture of PbI 2 , PbS and PbTe.
Claim 19
Dependent Claim
17 words
The cathode-active material according to claim 13 comprising a mixture of PbI 2 , PbSe and PbTe.
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) | 1979-05-25 | 1979-11-24 | 1980-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-25 | 1983-11-24 | 1984-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-25 | 1987-11-24 | 1988-05-25 | $7700.00 | Window Closed / Lapsed |