Electrode and the method for producing the same

Details Electrode and the method for producing the same Electrode and the method for producing the same

C - Chemistry, Metallurgy

23

C

148/24, 204/195.

C23C 8/06 (2006.01) C25B 11/04 (2006.01) H01M 4/00 (2006.01)

Patent

CA 1165213

ABSTRACT OF THE DISCLOSURE The invention relates to an aqueous electrolytic cathode and/or anode in which an aqueous solution of alkaline metal hydroxide is used or an active nickel or nickel alloy electrode having greater stability and smaller overvoltage under the condition of high current density for use in electrolysis of aqueous solution of alkaline metal halide, and the method for producing the same. Electrode material consisting of nickel or nickel alloy or electrode material of multiple layers comprising said electrode material coated with nickel or nickel alloy powder is forcibly subjected to oxidization and reduction treatments in repetition under a selected treatment temperature and atmosphere so that the surface area is expanded by the production of surface openings, thereby enabling to obtain an electrode having the said high properties,

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