US4461816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid lithium nitride electrolyte battery comprising lithium alloy anode
Assignee: European Space Agency
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Filing: 1982-09-29
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Granted: 1984-07-24
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Expires: 2002-09-29
Abstract
Abstract The present invention discloses an electrochemical generator which comprises an anode formed from an alloy comprising 65 to 85% of lithium and 15 to 35% of lead or a mixture of lead and tin and a cathode formed of a material capable of undergoing intercalation reactions while reacting with lithium, and having a solid electrolyte which contains lithium nitride impregnated in a resinous matrix.
Inventors
- 👤 Henri R. Leribaux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:09
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/40; H01M6/00; H01M6/14; H01M6/18; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
60 words
An electrochemical generator which comprises an anode formed from an alloy comprising 65 to 85% of lithium and 15 to 35% of lead or a mixture of lead and tin and a cathode formed of a material capable of undergoing intercalation reaction while reacting with lithium, and having a solid electrolyte which contains lithium nitride impregnated in a resinous matrix.
Claim 2
Dependent Claim
60 words
An electrochemical generator which comprises an anode formed from an alloy comprising 65 to 85% of lithium and 15 to 35% of lead or a mixture of lead and tin and a cathode formed of a material capable of undergoing intercalation reaction while reacting with lithium, and having a solid electrolyte which contains lithium nitride impregnated in a resinous matrix.
Claim 3
Dependent Claim
37 words
The electrochemical generator as claimed in claim 1, wherein the anode is formed form an alloy containing 79% of lithium and 21% of lead or a lead-tin alloy of a density close to 3.3 g/cm 3 .
Claim 4
Dependent Claim
40 words
The electrochemical generator as claimed in claim 1, wherein the cathode is formed from a material chosen from the group which contains TiS 2 , MoS 3 , MoO 3 , NiPS 3 , NiS 2 , FeS 2 .
Claim 5
Dependent Claim
29 words
The electrochemical generator as claimed in claim 3, wherein the cathode is formed from a TiS 2 -MoS 3 mixture containing about 80 mol % of TiS 2 .
Claim 6
Dependent Claim
29 words
The electrochemical generator as claimed in claim 3, wherein the cathode is formed from an NiS 2 -FeS 2 mixture in the molar proportion of 40% to 60% respectively.
Claim 7
Dependent Claim
38 words
The electrochemical generator as claimed in claim 1, wherein the materials forming the cathode may be intimately mixed with 1 to 6% of their weight of molybdenum powder or a mixture of molybdenum powder and a polyfluoronated resin.
Claim 8
Dependent Claim
21 words
The electrochemical generator as claimed in claim 1, wherein the plastic material for impregnation of the solid electrolyte is a polyolefin.
Claim 9
Dependent Claim
19 words
The electrochemical generator as claimed in claim 1, wherein the plastic material for impregnation of the electrolyte is polytetrafluoroethylene.
Claim 10
Dependent Claim
24 words
The electrochemical generator as claimed in claim 1, wherein the thickness of the layer of electrolyte separating the electrodes is 1 to 2 mm.
Claim 11
Dependent Claim
36 words
The electrochemical generator as claimed in claim 1, wherein the cathode and the anode are made from sintered materials filling the inside of a metal frame forming a collector and a support for the connection terminals.
Claim 12
Dependent Claim
24 words
The electrochemical generator as claimed in claim 1, formed from four-element units, comprising four pairs of positive electrodes and four pair of negative electrodes.
Claim 13
Dependent Claim
32 words
The electrochemical generator as claimed in claim 1, wherein the anode is formed from an alloy containing 70-80% of lithium and 20-30% of a lead or a mixture of lead and tin.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-24 | 1988-01-23 | 1988-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-24 | 1992-01-23 | 1992-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-24 | 1996-01-23 | 1996-07-24 | $7700.00 | Window Closed / Lapsed |