Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation

Autores
Veizaga, Natalia Soledad; Mendow, Gustavo; Quintero Jaime, Andrés Felipe; Berenguer Murcia, Ángel; de Miguel, Sergio Ruben; Morallón, Emilia; Cazorla Amorós, Diego
Año de publicación
2022
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Poisoning tolerance of Pt-based catalyst is an important parameter for the designing of direct electrochemical fuel cells (EFCs) based on electrooxidation of alcohols (i.e. methanol, ethanol). Applicability of direct ethanol EFCs is still challenging taking into account the lack of effective electrocatalysts which are able to produce high faradic current densities and high stability towards strong adsorption of C1 and C2 oxidation products. As we present here, mono- and bimetallic Pt-based electrocatalysts have been synthesized on a carbon black support for the elecotrooxidation of ethanol in acidic media. Depending of the molar ratio between poly-n-vinylpyrrolidone (PVP, acting as protecting agent) and Pt, nanoparticle size distribution has been controlled, obtaining an optimal condition of Pt loading and electroactive surface area (ECSA) for the PVP/Pt ratio = 1. The electrochemical behavior of electrocatalyst Pt/Re/CB-1 shows a negligible variation in the ECSA (98.3 m2 g−1) in comparison with the monometallic electrodes (90.2 m2 g−1). In contrast, addition of Ir tends to reduce the ECSA by agglomeration of some nanoparticles and decreasing its electrochemical performance. Incorporation of Re in the alloy promotes bond breaking of the intermediates adsorbed on surface, specifically adsorbed C2 molecules, releasing great number of the active sites from the Pt surface, minimizing the deactivation with cycling and providing remarkable stable catalyst with high specific current densities with the addition of small amounts of Re.
Fil: Veizaga, Natalia Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera". Universidad Nacional del Litoral. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera"; Argentina
Fil: Mendow, Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera". Universidad Nacional del Litoral. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera"; Argentina
Fil: Quintero Jaime, Andrés Felipe. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; España
Fil: Berenguer Murcia, Ángel. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; España
Fil: de Miguel, Sergio Ruben. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera". Universidad Nacional del Litoral. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera"; Argentina
Fil: Morallón, Emilia. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; España
Fil: Cazorla Amorós, Diego. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; España
Materia
ELECTROCATALYST
ETHANOL OXIDATION
IRIDIUM
PLATINUM
RHENIUM
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/184469
Acceder
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oai_identifier_str oai:ri.conicet.gov.ar:11336/184469
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidationVeizaga, Natalia SoledadMendow, GustavoQuintero Jaime, Andrés FelipeBerenguer Murcia, Ángelde Miguel, Sergio RubenMorallón, EmiliaCazorla Amorós, DiegoELECTROCATALYSTETHANOL OXIDATIONIRIDIUMPLATINUMRHENIUMhttps://purl.org/becyt/ford/2.4https://purl.org/becyt/ford/2Poisoning tolerance of Pt-based catalyst is an important parameter for the designing of direct electrochemical fuel cells (EFCs) based on electrooxidation of alcohols (i.e. methanol, ethanol). Applicability of direct ethanol EFCs is still challenging taking into account the lack of effective electrocatalysts which are able to produce high faradic current densities and high stability towards strong adsorption of C1 and C2 oxidation products. As we present here, mono- and bimetallic Pt-based electrocatalysts have been synthesized on a carbon black support for the elecotrooxidation of ethanol in acidic media. Depending of the molar ratio between poly-n-vinylpyrrolidone (PVP, acting as protecting agent) and Pt, nanoparticle size distribution has been controlled, obtaining an optimal condition of Pt loading and electroactive surface area (ECSA) for the PVP/Pt ratio = 1. The electrochemical behavior of electrocatalyst Pt/Re/CB-1 shows a negligible variation in the ECSA (98.3 m2 g−1) in comparison with the monometallic electrodes (90.2 m2 g−1). In contrast, addition of Ir tends to reduce the ECSA by agglomeration of some nanoparticles and decreasing its electrochemical performance. Incorporation of Re in the alloy promotes bond breaking of the intermediates adsorbed on surface, specifically adsorbed C2 molecules, releasing great number of the active sites from the Pt surface, minimizing the deactivation with cycling and providing remarkable stable catalyst with high specific current densities with the addition of small amounts of Re.Fil: Veizaga, Natalia Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera". Universidad Nacional del Litoral. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera"; ArgentinaFil: Mendow, Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera". Universidad Nacional del Litoral. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera"; ArgentinaFil: Quintero Jaime, Andrés Felipe. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; EspañaFil: Berenguer Murcia, Ángel. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; EspañaFil: de Miguel, Sergio Ruben. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera". Universidad Nacional del Litoral. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera"; ArgentinaFil: Morallón, Emilia. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; EspañaFil: Cazorla Amorós, Diego. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; EspañaElsevier Science SA2022-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/184469Veizaga, Natalia Soledad; Mendow, Gustavo; Quintero Jaime, Andrés Felipe; Berenguer Murcia, Ángel; de Miguel, Sergio Ruben; et al.; Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation; Elsevier Science SA; Materials Chemistry and Physics; 275; 1-2022; 1-130254-0584CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0254058421010658info:eu-repo/semantics/altIdentifier/doi/10.1016/j.matchemphys.2021.125282info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T14:32:04Zoai:ri.conicet.gov.ar:11336/184469instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-15 14:32:04.47CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation
title Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation
spellingShingle Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation
Veizaga, Natalia Soledad
ELECTROCATALYST
ETHANOL OXIDATION
IRIDIUM
PLATINUM
RHENIUM
title_short Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation
title_full Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation
title_fullStr Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation
title_full_unstemmed Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation
title_sort Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation
dc.creator.none.fl_str_mv Veizaga, Natalia Soledad
Mendow, Gustavo
Quintero Jaime, Andrés Felipe
Berenguer Murcia, Ángel
de Miguel, Sergio Ruben
Morallón, Emilia
Cazorla Amorós, Diego
author Veizaga, Natalia Soledad
author_facet Veizaga, Natalia Soledad
Mendow, Gustavo
Quintero Jaime, Andrés Felipe
Berenguer Murcia, Ángel
de Miguel, Sergio Ruben
Morallón, Emilia
Cazorla Amorós, Diego
author_role author
author2 Mendow, Gustavo
Quintero Jaime, Andrés Felipe
Berenguer Murcia, Ángel
de Miguel, Sergio Ruben
Morallón, Emilia
Cazorla Amorós, Diego
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv ELECTROCATALYST
ETHANOL OXIDATION
IRIDIUM
PLATINUM
RHENIUM
topic ELECTROCATALYST
ETHANOL OXIDATION
IRIDIUM
PLATINUM
RHENIUM
purl_subject.fl_str_mv https://purl.org/becyt/ford/2.4
https://purl.org/becyt/ford/2
dc.description.none.fl_txt_mv Poisoning tolerance of Pt-based catalyst is an important parameter for the designing of direct electrochemical fuel cells (EFCs) based on electrooxidation of alcohols (i.e. methanol, ethanol). Applicability of direct ethanol EFCs is still challenging taking into account the lack of effective electrocatalysts which are able to produce high faradic current densities and high stability towards strong adsorption of C1 and C2 oxidation products. As we present here, mono- and bimetallic Pt-based electrocatalysts have been synthesized on a carbon black support for the elecotrooxidation of ethanol in acidic media. Depending of the molar ratio between poly-n-vinylpyrrolidone (PVP, acting as protecting agent) and Pt, nanoparticle size distribution has been controlled, obtaining an optimal condition of Pt loading and electroactive surface area (ECSA) for the PVP/Pt ratio = 1. The electrochemical behavior of electrocatalyst Pt/Re/CB-1 shows a negligible variation in the ECSA (98.3 m2 g−1) in comparison with the monometallic electrodes (90.2 m2 g−1). In contrast, addition of Ir tends to reduce the ECSA by agglomeration of some nanoparticles and decreasing its electrochemical performance. Incorporation of Re in the alloy promotes bond breaking of the intermediates adsorbed on surface, specifically adsorbed C2 molecules, releasing great number of the active sites from the Pt surface, minimizing the deactivation with cycling and providing remarkable stable catalyst with high specific current densities with the addition of small amounts of Re.
Fil: Veizaga, Natalia Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera". Universidad Nacional del Litoral. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera"; Argentina
Fil: Mendow, Gustavo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera". Universidad Nacional del Litoral. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera"; Argentina
Fil: Quintero Jaime, Andrés Felipe. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; España
Fil: Berenguer Murcia, Ángel. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; España
Fil: de Miguel, Sergio Ruben. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera". Universidad Nacional del Litoral. Instituto de Investigaciones en Catálisis y Petroquímica "Ing. José Miguel Parera"; Argentina
Fil: Morallón, Emilia. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; España
Fil: Cazorla Amorós, Diego. Universidad de Alicante. Facultad de Ciencias. Departamento de Quimica Inorganica.; España
description Poisoning tolerance of Pt-based catalyst is an important parameter for the designing of direct electrochemical fuel cells (EFCs) based on electrooxidation of alcohols (i.e. methanol, ethanol). Applicability of direct ethanol EFCs is still challenging taking into account the lack of effective electrocatalysts which are able to produce high faradic current densities and high stability towards strong adsorption of C1 and C2 oxidation products. As we present here, mono- and bimetallic Pt-based electrocatalysts have been synthesized on a carbon black support for the elecotrooxidation of ethanol in acidic media. Depending of the molar ratio between poly-n-vinylpyrrolidone (PVP, acting as protecting agent) and Pt, nanoparticle size distribution has been controlled, obtaining an optimal condition of Pt loading and electroactive surface area (ECSA) for the PVP/Pt ratio = 1. The electrochemical behavior of electrocatalyst Pt/Re/CB-1 shows a negligible variation in the ECSA (98.3 m2 g−1) in comparison with the monometallic electrodes (90.2 m2 g−1). In contrast, addition of Ir tends to reduce the ECSA by agglomeration of some nanoparticles and decreasing its electrochemical performance. Incorporation of Re in the alloy promotes bond breaking of the intermediates adsorbed on surface, specifically adsorbed C2 molecules, releasing great number of the active sites from the Pt surface, minimizing the deactivation with cycling and providing remarkable stable catalyst with high specific current densities with the addition of small amounts of Re.
publishDate 2022
dc.date.none.fl_str_mv 2022-01
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
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://hdl.handle.net/11336/184469
Veizaga, Natalia Soledad; Mendow, Gustavo; Quintero Jaime, Andrés Felipe; Berenguer Murcia, Ángel; de Miguel, Sergio Ruben; et al.; Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation; Elsevier Science SA; Materials Chemistry and Physics; 275; 1-2022; 1-13
0254-0584
CONICET Digital
CONICET
url http://hdl.handle.net/11336/184469
identifier_str_mv Veizaga, Natalia Soledad; Mendow, Gustavo; Quintero Jaime, Andrés Felipe; Berenguer Murcia, Ángel; de Miguel, Sergio Ruben; et al.; Controlled synthesis of mono- and bimetallic Pt-based catalysts for electrochemical ethanol oxidation; Elsevier Science SA; Materials Chemistry and Physics; 275; 1-2022; 1-13
0254-0584
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0254058421010658
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.matchemphys.2021.125282
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science SA
publisher.none.fl_str_mv Elsevier Science SA
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.22299

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