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Electroless amorphous alloy electrodes—the formation and properties of hydrous oxide coatings in alkaline solution

✍ Scribed by T. Kessler; J.J. Podestá; R.C.V. Piatti; W.E. Triaca; A.J. Arvia

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
457 KB
Volume
39
Category
Article
ISSN
0013-4686

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✦ Synopsis

Ahstraa-Amorphous alloys (Co,,,,P,,, and Co,,,,Ni Is,aP,,.,) were prepared by the eleetroless teehnique. Oxide coated amorphous alloys were produced by applying a cyclic potential routine to the amorphous alloys immersed in alkaline solution at 30°C. Oxide coatings were character&d by electrochemical techniques and ir spectroscopy. The electrocatalytic activity of oxide coated amorphous alloy electrodes was tested for the oxygen evolution reaction in alkaline solution at 30°C. The high electrocatalytic activity of these electrodes is explained through the development of a porous hydrous oxide film with a spinel-type structure.

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