Patent US4731311A successfully refreshed from Google Patents.
US4731311A
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Electrically conductive material and secondary battery using the electrically conductive material
Assignee: Mitsubishi Chemical Corp
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Filing: 1986-10-09
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Granted: 1988-03-15
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Expires: 2006-10-09
Abstract
Abstract An electrically conductive material containing no substantial amount of water and prepared by polymerizing, in the presence of an oxidizing agent, a compound having conjugated double bonds on a base material in a gas phase. The base material has spaces capable of retaining the oxidizing agent. The electrically conductive material is used for at least one electrode of a secondary battery.
Inventors
- 👤 Tetsumi Suzuki
- 👤 Kazumi Hasegawa
- 👤 Nobuhiro Furukawa
- 👤 Koji Nishio
- 👤 Masahisa Fujimoto
- 👤 Noriyuki Yoshinaga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:03
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/13; H01M4/137; C; C08; C08G; C08G61/00; C08G61/12; C08G61/122; C08G61/123; C08L; C08L101/00; C08L67/00; C08L69/00; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/124; H01B1/127; H01M10/00; H01M10/05; H01M4/36; H01M4/60; H01M4/64; H01M4/66; H01M4/661; H01M4/663; H01M4/664; H01M4/668; H01M4/669; H01M4/70; H01M4/80; H01M4/808; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
71 words
An electrically conductive material containing no substantial amount of water and oxidizing agent and prepared by polymerizing, in the presence of an oxidizing agent, a pyrrole or thiophene compound on a base material in a gas phase and then washing the resultant product with an organic solvent, wherein said base material has spaces capable of retaining said oxidizing agent and said electrically conductive material contains no substantial amount of said compound.
Claim 2
Dependent Claim
71 words
An electrically conductive material containing no substantial amount of water and oxidizing agent and prepared by polymerizing, in the presence of an oxidizing agent, a pyrrole or thiophene compound on a base material in a gas phase and then washing the resultant product with an organic solvent, wherein said base material has spaces capable of retaining said oxidizing agent and said electrically conductive material contains no substantial amount of said compound.
Claim 3
Dependent Claim
18 words
The electrically conductive material according to claim 1, wherein said base material has at least one hydrophobic surface.
Claim 4
Dependent Claim
67 words
The electrically conductive material according to claim 2, wherein said base material has said oxidizing agent retained on one surface thereof by immersing a base material having one hydrophobic surface and the other hydrophilic surface in an aqueous solution of said oxidizing agent, or by applying an aqueous solution of said oxidizing agent to said other surface to make said oxidizing agent retained on said other surface.
Claim 5
Dependent Claim
23 words
The electrically conductive material according to claim 3, wherein said base material is one treated with a hydrophilicity-imparting agent on one surface thereof.
Claim 6
Dependent Claim
24 words
The electrically conductive material according to claim 3, wherein said base material is a hydrophilic one treated with a water-repellant on one surface thereof.
Claim 7
Dependent Claim
46 words
The electrically conductive material according to claim 2, wherein said base material has said oxidizing agent retained on one surface thereof by applying an aqueous solution of said oxidizing agent on one surface of a base material which is hydrophobic on both of the surfaces thereof.
Claim 8
Dependent Claim
23 words
The electrically conductive material according to claim 2, wherein said base material is one treated with a hydrophilicity-imparting agent on one surface thereof.
Claim 9
Dependent Claim
24 words
The electrically conductive material according to claim 2, wherein said base material is a hydrophilic one treated with a water-repellant on one surface thereof.
Claim 10
Dependent Claim
18 words
The electrically conductive material according to claim 1, wherein said base material is made of a hydrophobic resin.
Claim 11
Dependent Claim
46 words
The electrically conductive material according to claim 9, wherein said hydrophobic resin is polyethylene, polypropylene, ethylene-propylene copolymer, polyvinyl chloride, polyvinylidene chloride, polyvinyl fluoride, polytetrafluoroethylene, polyethylene terephthalate, polybutylene terephthalate, polystyrene, polyamide, polyimide, polyamide-imide, polyvinyl alcohol, ethylene-vinyl acetate copolymer, polyacrylonitrile, polymethacrylonitrile, polymethyl methacrylate, polybutyl methacrylate, polystyrene-acrylonitrile, or polycarbonate.
Claim 12
Dependent Claim
15 words
The electrically conductive material according to claim 1, wherein said base material is inorganic one.
Claim 13
Dependent Claim
56 words
The electrically conductive material as claimed in claim 11, wherein said inorganic base material is active carbon, carbon black, graphite, chromium, titanium, nickel, gold, platinum, tantalum, copper, silver, iron, stainless steel, alumina, silica, silica-alumina, zirconia, beryllium oxide, potassium titanate, silicon carbide, boron carbide, titanium carbide, molybdenum carbide, tantalum carbide, boron nitride, silicon nitride, or niobium nitride.
Claim 14
Dependent Claim
26 words
The electrically conductive material according to claim 1, wherein said oxidizing agent is used in a state of being dispersed or dissolved in an organic solvent.
Claim 15
Dependent Claim
86 words
A secondary battery produced by using as at least one electrode of the anode and the cathode thereof, a film of an electrically conductive material containing no substantial amount of water and oxidizing agent and prepared by polymerizing, in the presence of an oxidizing agent, a pyrrole or thiophene compound on a base material having spaces capable of retaining said oxidizing agent in a gas phase, and then washing the resultant product with an organic solvent, wherein said film contains no substantial amount of said compound.
Claim 16
Dependent Claim
86 words
A secondary battery produced by using as at least one electrode of the anode and the cathode thereof, a film of an electrically conductive material containing no substantial amount of water and oxidizing agent and prepared by polymerizing, in the presence of an oxidizing agent, a pyrrole or thiophene compound on a base material having spaces capable of retaining said oxidizing agent in a gas phase, and then washing the resultant product with an organic solvent, wherein said film contains no substantial amount of said compound.
Claim 17
Dependent Claim
109 words
A secondary battery produced by using as at least one electrode of the anode and the cathode thereof, a film of an electrically conductive material prepared by treating with an oxidizing agent, a sheet of a base material having spaces capable of retaining said oxidizing agent, to retain said oxidizing agent only on one surface of said sheet, polymerizing a pyrrole or thiophene compound on said base material in a gas phase and then washing the resultant product with an organic solvent to thereby form a polymer of said compound on said one surface, wherein said film contains no substantial amount of water, said compound and said oxidizing agent.
Claim 18
Dependent Claim
109 words
A secondary battery produced by using as at least one electrode of the anode and the cathode thereof, a film of an electrically conductive material prepared by treating with an oxidizing agent, a sheet of a base material having spaces capable of retaining said oxidizing agent, to retain said oxidizing agent only on one surface of said sheet, polymerizing a pyrrole or thiophene compound on said base material in a gas phase and then washing the resultant product with an organic solvent to thereby form a polymer of said compound on said one surface, wherein said film contains no substantial amount of water, said compound and said oxidizing agent.
Claim 19
Dependent Claim
88 words
A secondary battery produced by using as at least one electrode of the anode and the cathode thereof, a film of an electrically conductive material prepared by polymerizing, in the presence of an oxidizing agent, a pyrrole or thiophene compound on a metallic foam having porosity of 70 to 98% and having spaces capable of retaining said oxidizing agent in a gas phase, and then washing the resultant product with an organic solvent to thereby form a polymer of said compound in said spaces of said metallic foam.
Claim 20
Dependent Claim
88 words
A secondary battery produced by using as at least one electrode of the anode and the cathode thereof, a film of an electrically conductive material prepared by polymerizing, in the presence of an oxidizing agent, a pyrrole or thiophene compound on a metallic foam having porosity of 70 to 98% and having spaces capable of retaining said oxidizing agent in a gas phase, and then washing the resultant product with an organic solvent to thereby form a polymer of said compound in said spaces of said metallic foam.
Claim 21
Dependent Claim
118 words
A secondary battery produced by using, as at least one electrode of the anode and the cathode thereof, a film of an electrically conductive material prepared by treating with a solution of oxidizing agent in water, methanol or ethanol, a sheet of a base material having spaces capable of retaining said oxidizing agent to retain the oxidizing agentof said solution only on one surface of said sheet, polymerizing a pyrrole or thiophene compound on said base material in a gas phase and then washing the resultant product with an organic solvent to thereby form a polymer of said compound on said one surface, wherein said film contains no substantial amount of water, said compound and said oxidizing agent.
Claim 22
Dependent Claim
118 words
A secondary battery produced by using, as at least one electrode of the anode and the cathode thereof, a film of an electrically conductive material prepared by treating with a solution of oxidizing agent in water, methanol or ethanol, a sheet of a base material having spaces capable of retaining said oxidizing agent to retain the oxidizing agentof said solution only on one surface of said sheet, polymerizing a pyrrole or thiophene compound on said base material in a gas phase and then washing the resultant product with an organic solvent to thereby form a polymer of said compound on said one surface, wherein said film contains no substantial amount of water, said compound and said oxidizing agent.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1991-03-15 | 1991-09-14 | 1992-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-15 | 1995-09-14 | 1996-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-15 | 1999-09-14 | 2000-03-15 | $7700.00 | Window Closed / Lapsed |