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1 Polish Journal of Chemical Technology

1 2003

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Cathodes with compound coating modified with metal oxides

Nawrat G., Gonet M., Szczepanik R.

Polish Journal of Chemical Technology

2003

Vol. 5, nr 3

61-64

The paper deals with investigations on the influence of the chemical composition of alloyed compound coatings modified with metal oxides. The effect of different additives on the physico-chemical properties of nickel electrodes covered with a coating of the alloy nickel-cobalt-phosphorus subjected to a test analysis in an alkaline solution with an addition of iron(III) salt as a substance poisoning the surface of the electrodes has been determined. As additives the following binary oxides were applied: RuO2-TiO2, TiO2-CeO2, Co3O4-CeO2, Co3O4-MnO2, Co3O4-Pt, Co3O4-RuO2. The highest electrochemical activity was achieved in the case of Co3O4-MnO2 coating.