Patent US4668596A successfully refreshed from Google Patents.
US4668596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Negative electrodes for non-aqueous secondary batteries composed on conjugated polymer and alkali metal alloying or inserting material
Assignee: Honeywell International Inc
•
Filing: 1986-06-20
•
Granted: 1987-05-26
•
Expires: 2006-06-20
Abstract
Abstract This invention relates to a novel anode for use in batteries, and to batteries containing the anode, which anode comprises a mixture of a conjugated backbone polymer and another electroactive material selected from the group consisting of metals which alloy with alkali metals and alkali metal cation inserting materials as for example transition metal chalcogenides.
Inventors
- 👤 Lawrence W. Shacklette
- 👤 Taiguang R. Jow
- 👤 James E. Toth
- 👤 MacRae Maxfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:41
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/36; H01M4/00; H01M4/02; H01M4/04; H01M4/0438; H01M4/0459; H01M4/0461; H01M4/13; H01M4/36; H01M4/362; H01M4/364; H01M4/38; H01M4/387; H01M4/60; H01M4/602; H01M4/62; H01M4/621; H01M4/622; H01M4/64; H01M4/66; H01M4/661; H01M4/70; H01M4/72; H01M4/74; H01M4/745; H01M6/00; H01M6/14; H01M2004/026; H01M2004/027; H01M2300/00; H01M2300/0017; H01M2300/0025; H01M4/40; H01M4/48; H01M4/485; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
90 words
A battery comprising: (a) an anode comprising as the anode active material one or more conjugated backbone polymers and one or more electroactive materials selected from the group consisting of metals which alloy with alkali metals and alkali metal cation inserting materials; (b) an electrolyte comprising an organic solvent and an alkali-metal salt, and (c) a cathode; said alkali-metal cations from said electrolyte being inserted into said anode as a metal alloy or as an inserted ion in said alkali metal cation inserting material during the charging of said battery.
Claim 2
Dependent Claim
90 words
A battery comprising: (a) an anode comprising as the anode active material one or more conjugated backbone polymers and one or more electroactive materials selected from the group consisting of metals which alloy with alkali metals and alkali metal cation inserting materials; (b) an electrolyte comprising an organic solvent and an alkali-metal salt, and (c) a cathode; said alkali-metal cations from said electrolyte being inserted into said anode as a metal alloy or as an inserted ion in said alkali metal cation inserting material during the charging of said battery.
Claim 3
Dependent Claim
81 words
A battery comprising: (a) an anode comprising as the anode actual material poly(p-phenylene) and one or more electroactive metals selected from the group consisting of lead, tin and lead-tin alloys; (b) an electrolyte comprising NaPF 6 and a solvent selected from the group consisting of dimethoxyethane and diglyme; and (c) a cathode comprising Na x CoO 2 ; said sodium ions in said electrolyte being inserted into said anode as an alloy of said metals during the charging of said battery.
Claim 4
Dependent Claim
81 words
A battery comprising: (a) an anode comprising as the anode actual material poly(p-phenylene) and one or more electroactive metals selected from the group consisting of lead, tin and lead-tin alloys; (b) an electrolyte comprising NaPF 6 and a solvent selected from the group consisting of dimethoxyethane and diglyme; and (c) a cathode comprising Na x CoO 2 ; said sodium ions in said electrolyte being inserted into said anode as an alloy of said metals during the charging of said battery.
Claim 5
Dependent Claim
111 words
A battery comprising: (a) an electrolyte comprising an alkali metal salt selected from the group consisting of LiPF 6 , LiClO 4 , LiBF 4 and LiCF 3 SO 3 , and a solvent selected from the group consisting of propylene carbonate, ethylene carbonate, sulfolane and mixtures thereof with dimethoxyethane; (b) an anode comprising as the anode active material polyacetylene and aluminum, said anode being coated to inhibit reaction between said polyacetylene in the reduced state and said solvent; and (c) a cathode comprising Li x CoO 2 ; said lithium ions in said electrolyte being inserted into said anode as an alloy of aluminum during the charging of said battery.
Claim 6
Dependent Claim
111 words
A battery comprising: (a) an electrolyte comprising an alkali metal salt selected from the group consisting of LiPF 6 , LiClO 4 , LiBF 4 and LiCF 3 SO 3 , and a solvent selected from the group consisting of propylene carbonate, ethylene carbonate, sulfolane and mixtures thereof with dimethoxyethane; (b) an anode comprising as the anode active material polyacetylene and aluminum, said anode being coated to inhibit reaction between said polyacetylene in the reduced state and said solvent; and (c) a cathode comprising Li x CoO 2 ; said lithium ions in said electrolyte being inserted into said anode as an alloy of aluminum during the charging of said battery.
Claim 7
Dependent Claim
95 words
A secondary battery comprising: (a) an anode which comprises as the anode active material an intimate mixture of one or more conjugated backbone polymers and one or more electroactive materials selected from the group consisting of metals which alloy with alkali metals and alkali metal cation inserting materials; (b) an electrolyte comprising an organic solvent and an alkali-metal salt; and (c) a cathode; alkali-metal cations from said electrolyte being inserted into said anode as a metal alloy or as an inserted ion in said alkali metal cation inserting material during the charging of said battery.
Claim 8
Dependent Claim
95 words
A secondary battery comprising: (a) an anode which comprises as the anode active material an intimate mixture of one or more conjugated backbone polymers and one or more electroactive materials selected from the group consisting of metals which alloy with alkali metals and alkali metal cation inserting materials; (b) an electrolyte comprising an organic solvent and an alkali-metal salt; and (c) a cathode; alkali-metal cations from said electrolyte being inserted into said anode as a metal alloy or as an inserted ion in said alkali metal cation inserting material during the charging of said battery.
Claim 9
Dependent Claim
18 words
The battery of claim 4 wherein said conjugated polymer is reduced (n-doped) during the charging of said battery.
Claim 10
Dependent Claim
19 words
The battery of claim 4 wherein said conjugated backbone polymer of said anode is polyacetylene, poly(p-phenylene) or poly(p-phenylene vinylene).
Claim 11
Dependent Claim
12 words
The battery of claim 6 wherein said polymer is polyacetylene or poly(p-phenylene).
Claim 12
Dependent Claim
21 words
The battery of claim 4 wherein said alkali-metal salt of said electrolyte is a lithium salt, sodium salt or mixture thereof.
Claim 13
Dependent Claim
11 words
The battery of claim 4 wherein said material is a metal.
Claim 14
Dependent Claim
19 words
The battery of claim 9 wherein said metal is aluminum, lead, tin, antimony, bismuth, magnesium, silicon or alloys thereof.
Claim 15
Dependent Claim
15 words
The battery of claim 4 wherein said metal is aluminum, lead, tin or tin-lead alloys.
Claim 16
Dependent Claim
18 words
The battery of claim 11 wherein said metal salt is a lithium salt and said metal is aluminum.
Claim 17
Dependent Claim
22 words
The battery of claim 11 wherein said metal salt is a sodium salt and said metal is lead, tin or lead-tin alloys.
Claim 18
Dependent Claim
14 words
The battery of claim 4 wherein said material is an alkali-metal ion inserting material.
Claim 19
Dependent Claim
13 words
The battery of claim 14 wherein said material is a transition metal chalcogenide.
Claim 20
Dependent Claim
32 words
The battery of claim 15 wherein said transition metal chalcogenide is selected from the group consisting of TiS 2 , MoO 2 , FeCuS 2 , VSe 2 and VS 2 .
Claim 21
Dependent Claim
15 words
The battery of claim 16 wherein said chalcogenide is TiS 2 or WO 2 .
Claim 22
Dependent Claim
50 words
The battery of claim 4 wherein said anode comprises: from about 5 to about 75 percent by weight of said polymer; and from about 25 to about 95 percent by weight of said other electroactive material, wherein said weight percent is based on the total weight of polymer and material.
Claim 23
Dependent Claim
36 words
The battery of claim 18 wherein said anode comprises: from about 20 to about 50 percent by weight of said polymer; and from about 50 to about 80 percent by weight of said other electroactive material.
Claim 24
Dependent Claim
25 words
The battery of claim 4 wherein said polymer is polyacetylene or poly(p-phenylene), said alkali metal cation is lithium and said other electroactive material is aluminum.
Claim 25
Dependent Claim
25 words
The battery of claim 4 wherein said polymer is poly(p-phenylene), said cations are lithium cations and said alkali metal inserting material is WO 2 .
Claim 26
Dependent Claim
30 words
The battery of claim 4 wherein said polymer is polyacetylene or poly(p-phenylene), said alkali metal cations are sodium, and said other electroactive material is lead, tin or a lead-tin alloy.
Claim 27
Dependent Claim
14 words
The battery of claim 22 wherein said cathode is Na x CoO 2 .
Claim 28
Dependent Claim
10 words
The battery of claim 4 wherein said anode is uncoated.
Claim 29
Dependent Claim
16 words
The battery of claim 24 wherein said solvent is an ether or a mixture of ethers.
Claim 30
Dependent Claim
21 words
The battery of claim 25 wherein said ethers are selected from the group consisting of 3-methyl-2-oxazolidone, tetrahydrofuran, 2-methyltetrahydrofuran, diglyme, and dimethoxyethane.
Claim 31
Dependent Claim
35 words
The battery of claim 24 wherein said alkali-metal salt is selected from the group consisting of alkali metal alkylborate salts, arylborate salts, arylalkylborate salts, hexafluorophosphate salts, tetrafluoroborate salts, trifluoromethylsulfonate salts, perchlorate salts and halide salts.
Claim 32
Dependent Claim
23 words
The battery of claim 21 wherein said salt is selected from the group consisting of alkali metal alkylborate, arylborate, arylalkylborate and hexafluorophosphate salts.
Claim 33
Dependent Claim
31 words
The battery of claim 4 wherein said anode is coated with a material to prevent or retard reaction between the conjugated backbone polymer in the reduced state and said organic solvent.
Claim 34
Dependent Claim
38 words
The battery of claim 29 wherein said organic solvent is selected from the group consisting of methyl-2-oxazolidone, propylene carbonate, ethylene carbonate, sulfolane, 3-methylsulfolane, and mixtures of one or more of the foregoing solvents and one or more glymes.
Claim 35
Dependent Claim
10 words
The battery of claim 30 wherein said glyme is dimethoxyethane.
Claim 36
Dependent Claim
18 words
The battery of claim 31 wherein said salt is an alkali metal hexafluorophosphate, perchlorate, trifluoromethylsulfonate, tetrafluoroborate or tetrachloroaluminate.
Claim 37
Dependent Claim
19 words
The battery of claim 4 wherein said cathode is composed of a conjugated backbone polymer or a transition-metal chalcogenide.
Claim 38
Dependent Claim
14 words
The battery of claim 33 wherein said cathode is composed of a transition-metal chalcogenide.
Claim 39
Dependent Claim
22 words
The battery of claim 34 wherein said chalcogenide is TiS 2 , Li x CoO 2 or Na x CoO 2 .
Claim 40
Dependent Claim
33 words
The battery of claim 4 wherein said anode comprises an intimate mixture of said polymer and said material in which the polymer forms a continuous phase with particles of said materials dispersed therein.
Claim 41
Dependent Claim
27 words
A secondary batter according to claim 4 wherein said anode active material further comprises one or more inert binders intimately mixed with said polymers and said materials.
Claim 42
Dependent Claim
22 words
A secondary battery according to claim 4 wherein said anode active material comprises an intimate mixture of compressed powdered polymers and materials.
Claim 43
Dependent Claim
20 words
A secondary battery according to claim 38 wherein said anode active material further comprises compressed powdered one or more binders.
References Cited (Backward Citations)
US4002492A
Cited
US4321114A
Cited
US4442187A
Cited
US4464447A
Cited
EP0070107A1
Cited
US4517265A
Cited
US4522901A
Cited
US4472489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-25 | 1990-11-24 | 1991-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-25 | 1994-11-24 | 1995-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-25 | 1998-11-24 | 1999-05-26 | $7700.00 | Window Closed / Lapsed |