Glycerol Electro-Oxidation in Alkaline Medium with Pt-Fe/C Electrocatalysts Synthesized by the Polyol Method: Increased Selectivity and Activity Provided by Less Expensive Catalysts

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Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Federal do Triângulo Mineiro-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorLima, Vanderlei S.-
Autor(es): dc.creatorAlmeida, Thiago S.-
Autor(es): dc.creatorDe Andrade, Adalgisa R.-
Data de aceite: dc.date.accessioned2025-08-21T17:46:02Z-
Data de disponibilização: dc.date.available2025-08-21T17:46:02Z-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-07-29-
Data de envio: dc.date.issued2023-04-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.3390/nano13071173-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/247202-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/247202-
Descrição: dc.descriptionWe have investigated platinum catalysts containing iron as a modifier to obtain catalysts with superior electrocatalytic activity toward glycerol electro-oxidation in an alkaline medium. The electrocatalysts, supported on carbon Vulcan, were synthesized by the polyol method. The physicochemical characterization data showed that the metals were well distributed on the carbon support and had small particle size (2 nm). The Pt:Fe metal ratio differed from the nominal composition, indicating that reducing iron with platinum was difficult, even though some parameters of the synthesis process were changed. Electrochemical analyses revealed that PtFe/C was more active and stable than commercial Pt/C was, and analysis of the electrolysis by-products showed that iron addition to Pt/C boosted the glycerol conversion and selectivity for glyceric acid formation.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionDepartamento de Química Faculdade de Filosofia Ciências e Letras de Ribeirão Preto Universidade de São Paulo, SP-
Descrição: dc.descriptionDepartamento de Química Universidade Federal do Triângulo Mineiro, Campus Universitário de Iturama, MG-
Descrição: dc.descriptionUNESP National Institute for Alternative Technologies of Detection Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM) Institute of Chemistry, SP-
Descrição: dc.descriptionUNESP National Institute for Alternative Technologies of Detection Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM) Institute of Chemistry, SP-
Descrição: dc.descriptionFAPESP: 2014/50924-4-
Descrição: dc.descriptionFAPESP: 2021-01134-7-
Idioma: dc.languageen-
Relação: dc.relationNanomaterials-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectalkaline medium-
Palavras-chave: dc.subjectelectrocatalysis-
Palavras-chave: dc.subjectglycerol oxidation-
Palavras-chave: dc.subjectPt-based catalyst-
Título: dc.titleGlycerol Electro-Oxidation in Alkaline Medium with Pt-Fe/C Electrocatalysts Synthesized by the Polyol Method: Increased Selectivity and Activity Provided by Less Expensive Catalysts-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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