ANODIC OXYGEN EVOLUTION ON IRON, COBALT AND NICKEL SILICIDES IN ALKALINE ELECTROLYTE

The kinetics of oxygen evolution reaction on iron, cobalt and nickel monosilicides in (0.1 – 5.0) M NaOH was studied using methods of polarization and impedance measurements. The values of deriva-tives dE/dlgi, dlgi/dpH, dE/dpH were determined. The oxygen evolution on FeSi, CoSi and NiSi elec-trodes in alkaline solution was established to have regularities which are characteristic to Fe, Co and Ni electrodes, respectively.
Key words: oxygen evolution reaction, iron silicide FeSi, cobalt silicide CoSi, nickel silicide Ni-Si, alkaline electrolyte, impedance

2016, Т. 59, № 1, Стр. 57-63

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