US5418089A
Expired / Lapsed
US
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Curable cathode paste containing a conductive polymer to replace carbon as the conductive material and electrolytic cells produced therefrom
Assignee: Valence Technology Inc
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Filing: 1993-12-06
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Granted: 1995-05-23
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Expires: 2013-12-06
Abstract
Abstract This invention is directed to a cathode containing a cathodic material, a conducting polymer replacing carbon as the conductive material, a solid matrix forming monomer, a solvent, and a viscosifier, as well as electrolytic cells prepared from such solid cathodes.
Inventors
- 👤 Benjamin Chaloner-Gill
- 👤 M. Neal Golovin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:33
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/05; H01M10/052; H01M10/056; H01M10/0564; H01M10/0565; H01M4/00; H01M4/02; H01M4/36; H01M4/62; H01M4/624; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
29 words
A cathode for an electrolytic cell which comprises: a solid matrix forming monomer; a cathodic material; an electroconductive material consisting of a conducting polymer; a solvent; and a viscosifier.
Claim 2
Dependent Claim
29 words
A cathode for an electrolytic cell which comprises: a solid matrix forming monomer; a cathodic material; an electroconductive material consisting of a conducting polymer; a solvent; and a viscosifier.
Claim 3
Dependent Claim
17 words
The cathode of claim 1, wherein the conducting polymer is polypyrrole, polyacetylene, polyazine, polyaniline, polyparaphenylene or polythiophene.
Claim 4
Dependent Claim
24 words
The cathode of claim 1, having from about 10 to about 50 weight percent solvent, based on the total weight of the cathode composition.
Claim 5
Dependent Claim
27 words
The cathode of claim 1, having from about 5 to about 30 weight percent solid matrix forming monomer, based on the total weight of the cathode composition.
Claim 6
Dependent Claim
24 words
The cathode of claim 1, having from about 1 to about 20 weight percent viscosifier, based on the total weight of the cathode composition.
Claim 7
Dependent Claim
30 words
The cathode of claim 1, having from about 1 to about 20 weight percent electroconductive material consisting of a conducting polymer, based on the total weight of the cathode composition.
Claim 8
Dependent Claim
25 words
The cathode of claim 1, having from about 35 to about 65 weight percent cathodic material, based on the total weight of the cathode composition.
Claim 9
Dependent Claim
16 words
A solid cathode which is a cured reaction product of the cathode composition of claim 1.
Claim 10
Dependent Claim
21 words
The solid cathode of claim 8, wherein the cured cathode has a thickness of from about 20 to about 120 microns.
Claim 11
Dependent Claim
42 words
An electrolytic cell which comprises: an anode containing an anodic material; a cathode which comprises a solid polymeric matrix, a cathodic material, an electroconductive material consisting of a conducting polymer, a solvent and a viscosifier; and interposed therebetween a solid, solvent-containing electrolyte.
Claim 12
Dependent Claim
42 words
An electrolytic cell which comprises: an anode containing an anodic material; a cathode which comprises a solid polymeric matrix, a cathodic material, an electroconductive material consisting of a conducting polymer, a solvent and a viscosifier; and interposed therebetween a solid, solvent-containing electrolyte.
Claim 13
Dependent Claim
18 words
The electrolytic cell of claim 10, wherein the conducting polymer is polypyrrole, polyacetylene, polyazine, polyaniline, polyparaphenylene or polythiophene.
References Cited (Backward Citations)
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| 3.5 Years (Year 4) | 1998-05-22 | 1998-11-21 | 1999-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-05-22 | 2002-11-21 | 2003-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-05-22 | 2006-11-21 | 2007-05-23 | $7700.00 | Window Closed / Lapsed |