Nanocatalysts for ethanol oxidation: Synthesis and characterisation

Autores
Bonesi, Alejandro Roberto; Triaca, Walter Enrique; Castro Luna Berenguer, Ana María del Carmen
Año de publicación
2009
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Carbon-supported binary PtSn/C and ternary PtSnNi/C catalysts were prepared for the electro-oxidation of ethanol. The carbon-supported nanoparticles were synthesised by employing a modified polyol methodology and characterised in terms of structure, morphology and composition by using XRD, EDX and TEM techniques. Their electrocatalytic behaviour for ethanol oxidation (EO) was investigated by employing a disccomposite electrode covered by a thin layer of catalyst imbedded in a Nafion polymer electrolyte film. An enhancement of the EO through a negative shift of the onset oxidation potential and higher current density at constant potentials were observed on the PtSnNi/C electrodes as compared to those for PtSn/C electrodes. The temperature was changed in the range 40 °C ≤ t ≤ 80 °C, and the variation of the activation energy calculated by linear regression of the Arrhenius plots.
Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas
Materia
Química
Catalyst
Ethanol
Nickel
Platinum
Polyol
Tin
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/82718
Acceder
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oai_identifier_str oai:sedici.unlp.edu.ar:10915/82718
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Nanocatalysts for ethanol oxidation: Synthesis and characterisationBonesi, Alejandro RobertoTriaca, Walter EnriqueCastro Luna Berenguer, Ana María del CarmenQuímicaCatalystEthanolNickelPlatinumPolyolTinCarbon-supported binary PtSn/C and ternary PtSnNi/C catalysts were prepared for the electro-oxidation of ethanol. The carbon-supported nanoparticles were synthesised by employing a modified polyol methodology and characterised in terms of structure, morphology and composition by using XRD, EDX and TEM techniques. Their electrocatalytic behaviour for ethanol oxidation (EO) was investigated by employing a disccomposite electrode covered by a thin layer of catalyst imbedded in a Nafion polymer electrolyte film. An enhancement of the EO through a negative shift of the onset oxidation potential and higher current density at constant potentials were observed on the PtSnNi/C electrodes as compared to those for PtSn/C electrodes. The temperature was changed in the range 40 °C ≤ t ≤ 80 °C, and the variation of the activation energy calculated by linear regression of the Arrhenius plots.Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas2009info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf193-201http://sedici.unlp.edu.ar/handle/10915/82718enginfo:eu-repo/semantics/altIdentifier/issn/0872-1904info:eu-repo/semantics/altIdentifier/doi/10.4152/pea.200903193info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-15T11:07:28Zoai:sedici.unlp.edu.ar:10915/82718Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-15 11:07:28.899SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Nanocatalysts for ethanol oxidation: Synthesis and characterisation
title Nanocatalysts for ethanol oxidation: Synthesis and characterisation
spellingShingle Nanocatalysts for ethanol oxidation: Synthesis and characterisation
Bonesi, Alejandro Roberto
Química
Catalyst
Ethanol
Nickel
Platinum
Polyol
Tin
title_short Nanocatalysts for ethanol oxidation: Synthesis and characterisation
title_full Nanocatalysts for ethanol oxidation: Synthesis and characterisation
title_fullStr Nanocatalysts for ethanol oxidation: Synthesis and characterisation
title_full_unstemmed Nanocatalysts for ethanol oxidation: Synthesis and characterisation
title_sort Nanocatalysts for ethanol oxidation: Synthesis and characterisation
dc.creator.none.fl_str_mv Bonesi, Alejandro Roberto
Triaca, Walter Enrique
Castro Luna Berenguer, Ana María del Carmen
author Bonesi, Alejandro Roberto
author_facet Bonesi, Alejandro Roberto
Triaca, Walter Enrique
Castro Luna Berenguer, Ana María del Carmen
author_role author
author2 Triaca, Walter Enrique
Castro Luna Berenguer, Ana María del Carmen
author2_role author
author
dc.subject.none.fl_str_mv Química
Catalyst
Ethanol
Nickel
Platinum
Polyol
Tin
topic Química
Catalyst
Ethanol
Nickel
Platinum
Polyol
Tin
dc.description.none.fl_txt_mv Carbon-supported binary PtSn/C and ternary PtSnNi/C catalysts were prepared for the electro-oxidation of ethanol. The carbon-supported nanoparticles were synthesised by employing a modified polyol methodology and characterised in terms of structure, morphology and composition by using XRD, EDX and TEM techniques. Their electrocatalytic behaviour for ethanol oxidation (EO) was investigated by employing a disccomposite electrode covered by a thin layer of catalyst imbedded in a Nafion polymer electrolyte film. An enhancement of the EO through a negative shift of the onset oxidation potential and higher current density at constant potentials were observed on the PtSnNi/C electrodes as compared to those for PtSn/C electrodes. The temperature was changed in the range 40 °C ≤ t ≤ 80 °C, and the variation of the activation energy calculated by linear regression of the Arrhenius plots.
Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas
description Carbon-supported binary PtSn/C and ternary PtSnNi/C catalysts were prepared for the electro-oxidation of ethanol. The carbon-supported nanoparticles were synthesised by employing a modified polyol methodology and characterised in terms of structure, morphology and composition by using XRD, EDX and TEM techniques. Their electrocatalytic behaviour for ethanol oxidation (EO) was investigated by employing a disccomposite electrode covered by a thin layer of catalyst imbedded in a Nafion polymer electrolyte film. An enhancement of the EO through a negative shift of the onset oxidation potential and higher current density at constant potentials were observed on the PtSnNi/C electrodes as compared to those for PtSn/C electrodes. The temperature was changed in the range 40 °C ≤ t ≤ 80 °C, and the variation of the activation energy calculated by linear regression of the Arrhenius plots.
publishDate 2009
dc.date.none.fl_str_mv 2009
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/82718
url http://sedici.unlp.edu.ar/handle/10915/82718
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/0872-1904
info:eu-repo/semantics/altIdentifier/doi/10.4152/pea.200903193
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
193-201
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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score 13.22299

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