Electrode with lead base and method of making same

Details Electrode with lead base and method of making same Electrode with lead base and method of making same

C - Chemistry, Metallurgy

25

C

204/192

C25C 7/02 (2006.01) C25B 11/04 (2006.01)

Patent

CA 1208601

ABSTRACT OF THE DISCLOSURE Disclosed is an anode for oxygen evolution in acid electrolytes such as are used in processes for anode electro- winning of metals. The anode comprises a base of lead or lead alloy and an active layer of catalytic particles partially embedded in the base. The active layer comprises valve metal particles such as particles of titanium sponge impregnated with an active coating comprising ruthenium and manganese oxides. Also disclosed is a method of making the oxygen evolving anode. The process comprises impregnating titanium sponge particles with ruthenium and manganese compounds, and converting these compounds to oxides. The resulting particles are pressed and partly embedded into a lead or lead alloy base.

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