Lead oxide-coated electrode for use in electrolysis and...

Details Lead oxide-coated electrode for use in electrolysis and... Lead oxide-coated electrode for use in electrolysis and...

C - Chemistry, Metallurgy

25

B

204/195.2, 204/2

C25B 11/08 (2006.01) C25B 11/04 (2006.01) C25B 11/16 (2006.01)

Patent

CA 1321979

PO6-46049HC/KM/87 ABSTRACT OF THE DISCLOSURE A lead oxide-coated electrode for use in electro- lysis is disclosed, which comprises a primary layer comprising platinum and/or palladium oxide, an intermediate layer comprising .alpha.-PbO2, and a coating layer comprising .beta.-PbO2 successively coated on a substrate comprising a corrosion resistant metal. The electrode has a strong and durable lead oxide coating firmly bonded to the substrate, does not suffer from passivation, resistance increase, etc. and can be used stably for a long time at high current density. A process for producing the electrode is also disclosed.

544902

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