Manufacturing process of electrodes for electrolysis

Details Manufacturing process of electrodes for electrolysis Manufacturing process of electrodes for electrolysis

2009-03-18

2010-11-30

Padgett, Marianne L (Department: 1715)

Coating processes

Direct application of electrical, magnetic, wave, or...

Ion plating or implantation

C427S531000, C427S580000, C427S078000, C427S124000, C427S125000, C427S126300, C427S126500, C427S226000, C427S376300, C427S383300, C204S192380

Reexamination Certificate

active

07842353

ABSTRACT:
A process for manufacturing electrodes for electrolysis, including steps of forming an arc ion plating (AIP) undercoating layer including valve metal or valve metal alloy containing a crystalline tantalum component and a crystalline titanium component on a surface of the electrode substrate comprising valve metal or valve metal alloy, by an arc ion plating method; heat sintering, including the steps of coating a metal compound solution, which includes valve metal as a chief element, onto the surface of the AIP undercoating layer, followed by heat sintering to transform only the tantalum component of the AIP undercoating layer into an amorphous substance, and to form an oxide interlayer, which includes a valve metal oxides component as a chief element, on the surface of the AIP undercoating layer containing the transformed amorphous tantalum component and the crystalline titanium component; and forming an electrode catalyst layer on the surface of the oxide interlayer.

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