Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1992-03-31
1994-03-15
Gorgos, Kathryn
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429237, 4284111, H01M 460
Patent
active
052945049
ABSTRACT:
The present invention concerns a three dimensional conductive organic polymer covered micro structure having improved current carrying capacity as compared to a substantially smooth surface. More specifically, it relates to a three-dimensional poly(aniline) or poly(pyrrole)-substrate micro structure for use as a battery electrode, having improved properties as compared to a substantially smooth surface, which structure comprises: a thin surface layer of poly(aniline) or poly(pyrrole) film on a substrate surface, wherein the polyaniline or poly(pyrrole) film has a thickness of between about 0.1 and 10 microns and the substrate surface is irregular or patterned having a protruding surface, wherein representative protrusions amount to between about 40 to 90 percent of the surface of the electrode. The processes to produce the three-dimensional microstructure are also disclosed.
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Ivor Brodie et al., "The Physics of Microfabrication", SRI International, May 1992, pp. 1-78.
Reginald M. Penner et al., "Controlling the Morphology of Electronically Conductive Polymers", Journal of the Electrochemical Society, Oct. 1986, pp. 2206.
Xiantong Bi et al., "An Electrically-Conductive Composite Prepared by Electrochemical Polymerization of Pyrrole into Polyurethane", Synthetic Metals, vol. 22, 1987, pp. 145-156.
Masayoshi Watanabe et al., "Polypyrrole/Polymer Electrolyte Bilayer Composites Prepared by Electrochemical Polymerization of Pyrrole Using Ion-Conducting Polymers as a Solid Electrolyte", Chemistry Letters, 1987, pp. 1239-1242.
Niwa, O. et al., Kobunshi Ronbunshu, vol. 44, #4, 1987, pp. 225-233.
Jina Arvind N.
Madou Marc J.
Otagawa Takaaki
Gorgos Kathryn
Osaka Gas Company Ltd.
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