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The electrochemical behaviour of cobalt in alkaline solutions

Subtitle: Part I. The potentiodynamic response in the potential region of the Co/CoO couple
Document type: Articulo

Abstract

The potentiodynamic response of cobalt in KOH solutions (10−2 M⩽c⩽2.5 M) in the potential range of the thermodynamic stability of the Co(II) species reveals two limiting electrochemical behavirours. One of them corresponds to the first potentiodynamic scan and the other is associated with the stabilized E/I profile resulting after a prolonged potential scanning. The former is related to the large contribution of the metal electrodissolution process. The second is explained in terms of reactions taking place at the sandwich-type structured interface. Ageing effects of Co(II) surface species are also considered in the interpretation of results.

General information

Issue date: 9 de abril de 1982
Document language: English
Journal: Journal of Electroanalytical Chemistry and Interfacial Electrochemistry; vol. 134, no. 2
Origin: Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas; Facultad de Ciencias Exactas
ISSN: 0022-0728
Pages: 251-272
xmlui.dri2xhtml.METS-1.0.item-dc-subject: Electroquímica ; Cobalto ; potentiodynamic ; Termodinámica ; Metales Alcalinos ; Níquel
Subjects: Ciencias Exactas ; Química

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Created: 18 de septiembre de 2019
Available since: 18 de septiembre de 2019
Please, use one of this identificators(URI) for cite o linking this item:
  • http://sedici.unlp.edu.ar/handle/10915/81450
  • https://doi.org/10.1016/0022-0728(82)80005-3

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    Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Except where otherwise noted, this item's license is described as Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)