Evaluation of the electrocatalytic activity of antimony-doped tin dioxide anodes toward the oxidation of phenol in aqueous solutions

Please use this identifier to cite or link to this item: http://hdl.handle.net/10045/3134
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dc.contributorElectrocatálisis y Electroquímica de Polímerosen
dc.contributor.authorMontilla, Francisco-
dc.contributor.authorMorallon, Emilia-
dc.contributor.authorVázquez Picó, José Luis-
dc.contributor.otherUniversidad de Alicante. Departamento de Química Físicaen
dc.contributor.otherUniversidad de Alicante. Instituto Universitario de Materiales de Alicanteen
dc.contributor.otherUniversidad Miguel Hernández. Instituto de Biología Molecular y Celularen
dc.date.accessioned2007-11-21T07:59:16Z-
dc.date.available2007-11-21T07:59:16Z-
dc.date.created2005-05-19-
dc.date.issued2005-08-25-
dc.identifier.citationMONTILLA JIMÉNEZ, Francisco; MORALLÓN NÚÑEZ, Emilia; VÁZQUEZ PICÓ, José Luis. "Evaluation of the electrocatalytic activity of antimony-doped tin dioxide anodes toward the oxidation of phenol in aqueous solutions". Journal of The Electrochemical Society. Vol. 152, Issue 10 (2005). ISSN 0013-4651, pp. B421-B427en
dc.identifier.issn0013-4651-
dc.identifier.urihttp://hdl.handle.net/10045/3134-
dc.description.abstractAntimony-doped tin dioxide electrodes supported on titanium have been used in the electrochemical treatment of aqueous solution containing phenol. Ti/SnO2–Sb anode has high efficiency in the elimination of phenol, but its use is hindered by its short service life. The introduction of platinum in the oxide layer (3 or 13 atom %)increases the electrode service life up to two orders of magnitude. The electrocatalytic activity of the electrodes toward phenol oxidation has been analyzed with respect to the amount of platinum in the electrode composition. Voltammetric studies show that the oxidation potential of phenol decreases with the amount of platinum in the oxide layer. The activity for phenol oxidation per electroactive site is higher with the Sb-doped SnO2 electrode within the zone of electrochemical stability of the solvent. Galvanostatic electrolysis of phenol solutions was performed analyzing several factors that affect the efficiency of the elimination process, such as anode composition, cell design, current density, and phenol concentration. The electrode containing platinum (3 atom %)presents the highest efficiency for phenol removal, even higher than Sb-doped SnO2.en
dc.description.sponsorshipFinancial support by the Generalitat Valenciana (GRUPOS04/75 and GV05/136) and Ministerio de Ciencia y Tecnología (MAT2004- 01479) projects are gratefully acknowledged. Universidad de Alicante assisted in meeting the publication costs of this article.en
dc.languageengen
dc.publisherThe Electrochemical Societyen
dc.rights© The Electrochemical Society, Inc. 2005. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in Journal of The Electrochemical Society, 152 (10) B421-B427 (2005). http://ecsdl.org/dbt/dbt.jsp?KEY=JESOAN&Volume=LASTVOL&Issue=LASTISSen
dc.subjectAntimony-doped tin dioxide anodeen
dc.subjectPhenol oxidationen
dc.subjectElectrocatalytic activityen
dc.subject.otherQuímica Físicaen
dc.titleEvaluation of the electrocatalytic activity of antimony-doped tin dioxide anodes toward the oxidation of phenol in aqueous solutionsen
dc.typeinfo:eu-repo/semantics/articleen
dc.peerreviewedsien
dc.identifier.doi10.1149/1.2013047-
dc.relation.publisherversionhttp://dx.doi.org/10.1149/1.2013047-
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess-
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