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dc.contributor.author
Montiel, Gonzalo
dc.contributor.author
Fuentes Quezada, Eduardo
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Bruno, Mariano Martín
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Corti, Horacio Roberto
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Viva, Federico Andrés
dc.date.available
2020-10-26T19:47:38Z
dc.date.issued
2020-08
dc.identifier.citation
Montiel, Gonzalo; Fuentes Quezada, Eduardo; Bruno, Mariano Martín; Corti, Horacio Roberto; Viva, Federico Andrés; Effect of bimodal mesoporous carbon as PtRu catalyst support for direct methanol fuel cells; Royal Society of Chemistry; RSC Advances; 10; 51; 8-2020; 30631-30639
dc.identifier.uri
http://hdl.handle.net/11336/116859
dc.description.abstract
Mesoporous carbons (MCs) with different pore sizes were synthesized and evaluated as a catalyst support for fuel cells. The MCs were obtained from resorcinol-formaldehyde precursors, polymerized in the presence of polydiallyldimethylammonium chloride (cationic polyelectrolyte) as a structuring agent and commercial silica (Sipernat® or Aerosil®) as the hard template. The MC obtained with Aerosil® shows a broad pore size distribution with a maximum at 21 nm. On the other hand, the MCs with Sipernat® show a bimodal pore size distribution, with a narrow peak centered at 5 nm and a broad peak with a maximum ca. 30 nm. All MCs present a high specific surface area (800-1000 m2 g-1) and total pore volume ranging from 1.36 to 1.69 cm3 g-1. PtRu nanoparticles were deposited onto the MC support by an impregnation-reduction method with NaBH4 at 80 °C in basic media. The electrochemical characterization reveals improved electrocatalysis towards the methanol oxidation for the catalyst deposited over the carbon with the highest total pore volume. This catalyst also presented the highest CO2 conversion efficiency, ca. 80%, for the methanol oxidation as determined by differential electrochemical mass spectroscopy analysis. Moreover, the catalyst as a fuel cell anode showed the best performance, reaching a power density of 125 mW cm-2 at 90 °C with methanol as fuel and dry O2.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Royal Society of Chemistry
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
CARBON
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FUEL CELLS
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CATALYSIS
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Físico-Química, Ciencia de los Polímeros, Electroquímica
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Ciencias Químicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Effect of bimodal mesoporous carbon as PtRu catalyst support for direct methanol fuel cells
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-10-14T21:21:32Z
dc.identifier.eissn
2046-2069
dc.journal.volume
10
dc.journal.number
51
dc.journal.pagination
30631-30639
dc.journal.pais
Reino Unido
dc.description.fil
Fil: Montiel, Gonzalo. Instituto Nacional de Tecnología Industrial; Argentina
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Fil: Fuentes Quezada, Eduardo. Comisión Nacional de Energía Atómica; Argentina
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Fil: Bruno, Mariano Martín. Universidad Nacional de Río Cuarto. Facultad de Ciencias Exactas Fisicoquímicas y Naturales. Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados. - Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados; Argentina
dc.description.fil
Fil: Corti, Horacio Roberto. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comision Nacional de Energia Atomica. Gerencia de Area de Investigaciones y Aplicaciones No Nucleares (cac).; Argentina
dc.description.fil
Fil: Viva, Federico Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comision Nacional de Energia Atomica. Gerencia de Area de Investigaciones y Aplicaciones No Nucleares (cac).; Argentina
dc.journal.title
RSC Advances
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://xlink.rsc.org/?DOI=D0RA05676F
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1039/D0RA05676F
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