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A kinetic study of the electroreduction of anodically formed cobalt oxide layers

โœ Scribed by C.A. Gervasi; S.R. Biaggio; J.R. Vilche; A.J. Arvia

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
588 KB
Volume
36
Category
Article
ISSN
0013-4686

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โœฆ Synopsis

The kinetics of the electroreduction of anodically formed cobalt oxide layers in different carbonatibicarbonate aqueous solutions were investigated using combined voltammetric and potential step techniques. Tbe composition of tbe electrolyte was varied to cover wide pH and ionic strength ranges. The electroreduction reaction can be explained through a nucleation and three-dimensional growth process, involving cobalt phase formation from either soluble Co(H) or Co(II1) species.

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