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Abstract:

In this paper, we report a study of electrocatalytic oxidation of methanol on copper electrodes subjected to different surface treatments, either electrocorrosion or electrodeposition in the absence of strong hydrogen co-deposition. The surface morphology of treated electrodes was examined by Field Emission Scanning Electron Microscopy (FE-SEM). The effect of different treatment conditions and the methanol concentration dependence were evaluated by cyclic voltammetric technique. The results indicate that the oxidation of methanol can be enhanced by a suitable micro and nano structure generated by these treatments. This enhanced electrode activity is related to an increase of the effective surface area and/or to an increase of the surface concentration of electroactive molecules or intermediates. © 2013 Elsevier B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Enhanced electrochemical oxidation of methanol on copper electrodes modified by electrocorrosion and electrodeposition
Autor:Carugno, S.; Chassaing, E.; Rosso, M.; González, G.A.
Filiación:INQUIMAE - DQIAQF, Facultad de Ciencias, Exactas y Naturales, Consejo Nacional de Investigaciones Científicas y Técnicas, 1428 Buenos Aires, Argentina
IRDEP (UMR7174), EDF RandD, 6 Quai Watier, 78401 Chatou, France
LPMC (UMR7643), CNRS, Ecole Polytechnique, F91128 Palaiseau Cedex, France
Palabras clave:Electrochemical properties; Electrochemical techniques; Microstructure; Oxidation; Surfaces; Cyclic voltammetric techniques; Effective surface area; Electro-catalytic oxidation; Electrochemical techniques; Field emission scanning electron microscopy; Methanol concentration; Oxidation of methanol; Surface concentration; Electrocatalysis; Electrochemical oxidation; Electrochemical properties; Electrodeposition; Electrodes; Field emission microscopes; Microstructure; Oxidation; Surfaces; Methanol
Año:2014
Volumen:143
Número:3
Página de inicio:1012
Página de fin:1017
DOI: http://dx.doi.org/10.1016/j.matchemphys.2013.10.039
Título revista:Materials Chemistry and Physics
Título revista abreviado:Mater Chem Phys
ISSN:02540584
CODEN:MCHPD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02540584_v143_n3_p1012_Carugno

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Citas:

---------- APA ----------
Carugno, S., Chassaing, E., Rosso, M. & González, G.A. (2014) . Enhanced electrochemical oxidation of methanol on copper electrodes modified by electrocorrosion and electrodeposition. Materials Chemistry and Physics, 143(3), 1012-1017.
http://dx.doi.org/10.1016/j.matchemphys.2013.10.039
---------- CHICAGO ----------
Carugno, S., Chassaing, E., Rosso, M., González, G.A. "Enhanced electrochemical oxidation of methanol on copper electrodes modified by electrocorrosion and electrodeposition" . Materials Chemistry and Physics 143, no. 3 (2014) : 1012-1017.
http://dx.doi.org/10.1016/j.matchemphys.2013.10.039
---------- MLA ----------
Carugno, S., Chassaing, E., Rosso, M., González, G.A. "Enhanced electrochemical oxidation of methanol on copper electrodes modified by electrocorrosion and electrodeposition" . Materials Chemistry and Physics, vol. 143, no. 3, 2014, pp. 1012-1017.
http://dx.doi.org/10.1016/j.matchemphys.2013.10.039
---------- VANCOUVER ----------
Carugno, S., Chassaing, E., Rosso, M., González, G.A. Enhanced electrochemical oxidation of methanol on copper electrodes modified by electrocorrosion and electrodeposition. Mater Chem Phys. 2014;143(3):1012-1017.
http://dx.doi.org/10.1016/j.matchemphys.2013.10.039