Manufacturing process of electrodes for electrolysis
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United States of America Patent
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Dec 25, 2012
Grant Date -
Oct 1, 2009
app pub date -
Mar 18, 2009
filing date -
Mar 31, 2008
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Abstract
A process for manufacturing electrodes for electrolysis, including the steps of forming an arc ion plating undercoating layer comprising valve metal or valve metal alloy including a crystalline tantalum component and a crystalline titanium component on the surface of the electrode substrate comprising valve metal or valve metal alloy, by an arc ion plating method; heat sintering the electrode substrate to transform only the tantalum component of the arc ion plating undercoating layer into an amorphous substance; and forming an electrode catalyst layer on the surface of the arc ion plating undercoating layer including the valve metal or valve metal alloy including the tantalum component transformed to the amorphous substance and the crystalline titanium component.
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