Pd-containing coatings for low chlorine overvoltage
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United States of America Patent
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Feb 8, 2011
Grant Date -
Dec 20, 2007
app pub date -
Sep 1, 2004
filing date -
Sep 1, 2004
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Abstract
The present invention relates to an electrocatalytic coating and an electrode having the coating thereon, wherein the coating is a mixed metal oxide coating, preferably platinum group metal oxides with or without valve metal oxides, and containing a transition metal component such as palladium, rhodium or cobalt. The electrocatalytic coating can be used especially as an anode component of an electrolysis cell for the electrolysis of a halogen-containing solution wherein the palladium component reduces the operating potential of the anode and eliminates the necessity of a “break-in” period to obtain the lowest anode potential.
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