Activated electrodes produced by consecutive deposition of...

Details Activated electrodes produced by consecutive deposition of... Activated electrodes produced by consecutive deposition of...

C - Chemistry, Metallurgy

25

B

204/13, 204/192

C25B 11/03 (2006.01) C25B 11/00 (2006.01) C25D 5/48 (2006.01) C25D 7/00 (2006.01)

Patent

CA 1271157

ACTIVATED ELECTRODES PRODUCED BY CONSECUTIVE DEPOSITION OF METAL LAYERS AND CARRIER SEPARATION ABSTRACT A process for the manufacture of thin activated electrodes including a base metal, which can be iron, cobalt or nickel, with a good adhering active surface layer. Both the bass metal and the surface layer are galvanically sequentially deposited as separate layers on a removable electrically- conductive carrier. The surface layer is deposited as an activatable alloy including the base metal and a leachable metal, particularly zinc. The galvanizing deposited layers are subsequentially separated as a unit from the carrier. The alloy is activated by leaching the leachable metal therefrom before, during or after separation of the carrier. Two activatable layers of alloy can be deposited on the carrier with a layer of the base metal deposited between the alloy layers.

461829

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