Electrode coating with platinum-group metal catalyst and semi-conducting polymer
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United States of America Patent
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Jul 10, 1984
Issued Date -
N/A
app pub date -
Apr 8, 1982
filing date -
Apr 9, 1981
priority date (Note) -
Expired
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Abstract
A catalytic electrode has an electrically conductive substrate such as titanium or lead and is provided with a coating comprising a platinum-group metal catalyst finely dispersed in a matrix consisting of a semi-conducting polymer formed in situ on the substrate. The catalyst may be a platinum-group metal oxide such as iridium oxide formed in situ together with the semi-conducting polymer by a controlled heat treatment. The semi-conducting polymer is preferably formed from polyacrylonitrile, polybenzimidazo-pyrrolone or an adamantane based polybenzoxazole.
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