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Franceschini, E.A.; Bruno, M.M.; Viva, F.A.; Williams, F.J.; Jobbágy, M.; Corti, H.R. "Mesoporous Pt electrocatalyst for methanol tolerant cathodes of DMFC" (2012) Electrochimica Acta. 71:173-180
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Abstract:

High activity mesoporous Pt electrocatalyst, having 2D-hexagonal mesostructure, was synthesized using a triblock poly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide) copolymer (Pluronic F127®) template. The catalyst was characterized for the oxygen reduction reaction (ORR) in a rotating ring disk electrode (RRDE) configuration, obtaining a high efficiency of conversion to H2 O. The formation of H2O 2 during the ORR was low and a change in Tafel slope analysis indicated a change in the reaction mechanism with temperature. It was found, through differential electrochemical mass spectrometry (DEMS) analysis, that the mesoporous Pt catalysts exhibit a high methanol to CO2 conversion efficiency and high tolerance to CO poisoning. The procedure described in this work for preparing mesoporous Pt catalyst by electrodeposition provides a simple method for the generation of high-performance cathodes for direct methanol PEM fuel cells. © 2012 Elsevier Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Mesoporous Pt electrocatalyst for methanol tolerant cathodes of DMFC
Autor:Franceschini, E.A.; Bruno, M.M.; Viva, F.A.; Williams, F.J.; Jobbágy, M.; Corti, H.R.
Filiación:Comisión Nacional de Energía Atómica (CNEA), Departamento de Física de la Materia Condensada, Centro Atómico Constituyentes, Av. General Paz 1499 (1650), San Martín, Buenos Aires, Argentina
Escuela de Ciencia y Tecnología, Universidad de Gral. San Martín, Martín de Irigoyen 3100 (1650), San Martín, Buenos Aires, Argentina
Instituto de Quimica Fisica de los Materiales, Medio Ambiente y Energia (INQUIMAE-CONICET), Facultad Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellón 2, C1428GA, Buenos Aires, Argentina
Palabras clave:Electroreduction; Fuel cells; Mesoporous Pt; Methanol; Oxygen; Carbon dioxide; Catalyst poisoning; Catalyst supports; Catalysts; Cathodes; Efficiency; Electrocatalysts; Electrodes; Electrolytic reduction; Ethylene; Fuel cells; Mass spectrometry; Mesoporous materials; Methanol; Oxygen; Platinum; Polyethylene oxides; Proton exchange membrane fuel cells (PEMFC); Differential electrochemical mass spectrometry; Electro reduction; Mesoporous Pt; Methanol tolerant; Oxygen reduction reaction; Reaction mechanism; Rotating ring-disk electrode; Tafel slope analysis; Direct methanol fuel cells (DMFC)
Año:2012
Volumen:71
Página de inicio:173
Página de fin:180
DOI: http://dx.doi.org/10.1016/j.electacta.2012.03.121
Título revista:Electrochimica Acta
Título revista abreviado:Electrochim Acta
ISSN:00134686
CODEN:ELCAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00134686_v71_n_p173_Franceschini

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Citas:

---------- APA ----------
Franceschini, E.A., Bruno, M.M., Viva, F.A., Williams, F.J., Jobbágy, M. & Corti, H.R. (2012) . Mesoporous Pt electrocatalyst for methanol tolerant cathodes of DMFC. Electrochimica Acta, 71, 173-180.
http://dx.doi.org/10.1016/j.electacta.2012.03.121
---------- CHICAGO ----------
Franceschini, E.A., Bruno, M.M., Viva, F.A., Williams, F.J., Jobbágy, M., Corti, H.R. "Mesoporous Pt electrocatalyst for methanol tolerant cathodes of DMFC" . Electrochimica Acta 71 (2012) : 173-180.
http://dx.doi.org/10.1016/j.electacta.2012.03.121
---------- MLA ----------
Franceschini, E.A., Bruno, M.M., Viva, F.A., Williams, F.J., Jobbágy, M., Corti, H.R. "Mesoporous Pt electrocatalyst for methanol tolerant cathodes of DMFC" . Electrochimica Acta, vol. 71, 2012, pp. 173-180.
http://dx.doi.org/10.1016/j.electacta.2012.03.121
---------- VANCOUVER ----------
Franceschini, E.A., Bruno, M.M., Viva, F.A., Williams, F.J., Jobbágy, M., Corti, H.R. Mesoporous Pt electrocatalyst for methanol tolerant cathodes of DMFC. Electrochim Acta. 2012;71:173-180.
http://dx.doi.org/10.1016/j.electacta.2012.03.121