Abstract
A hydrous oxide film can be grown on a CO50Ni25Si15B10 amorphous alloy through the application of a periodic perturbing potential routine in alkaline solution. The optimal parameters of the square wave potential signal are determined. The oxide film is a precursor of a Co-Ni spinel as concluded from voltammetry, i.r. spectroscopy, XPS and SEM micrography. The catalytic activity of the oxide layer for the oxygen evolution reaction is demonstrated.
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This paper is dedicated to Professor Brian E. Conway on the occasion of his 65th birthday, and in recognition of his outstanding contribution to electrochemistry.
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Triaca, W.E., Arvia, A.J. & Kessler, T. Electroformation of electrocatalytically active hydrous oxide layers on a Co-Ni amorphous alloy under pulsating electrolysis. J Appl Electrochem 23, 655–661 (1993). https://doi.org/10.1007/BF00721958
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DOI: https://doi.org/10.1007/BF00721958