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Pd₂Sn [010] nanorods as a highly active and stable ethanol oxidation catalyst
Luo, Zhishan (Centre de Recerca en Energia de Catalunya)
Lu, Jianmin (Chinese Academy of Sciences. Dalian Institute of Chemical Physics)
Flox, Cristina (Institut de Recerca en Energia de Catalunya)
Nafria, Raquel (Institut de Recerca en Energia de Catalunya)
Genç, Aziz (Institut Català de Nanociència i Nanotecnologia)
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia)
Llorca, Jordi (Universitat Politècnica de Catalunya. Institut de Tècniques Energètiques)
Ibáñez, Maria (Institut de Recerca en Energia de Catalunya)
Morante, Joan Ramon (Institut de Recerca en Energia de Catalunya)
Cabot i Codina, Andreu (Institut de Recerca en Energia de Catalunya)

Date: 2016
Abstract: The development of highly active, low cost and stable electrocatalysts for direct alcohol fuel cells remains a critical challenge. While Pd₂Sn has been reported as an excellent catalyst for the ethanol oxidation reaction (EOR), here we present DFT analysis results showing the (100) and (001) facets of orthorhombic PdSn to be more favourable for the EOR than (010). Accordingly, using tri-n-octylphosphine, oleylamine (OLA) and methylamine hydrochloride as size and shape directing agents, we produced colloidal Pd₂Sn nanorods (NRs) grown in the [010] direction. Such Pd₂Sn NRs, supported on graphitic carbon, showed excellent performance and stability as an anode electrocatalyst for the EOR in alkaline media, exhibiting 3 times and 10 times higher EOR current densities than that of PdSn and Pd nanospheres, respectively. We associate this improved performance with the favourable faceting of the NRs.
Grants: Ministerio de Economía y Competitividad MAT2014-59961-C2
Ministerio de Economía y Competitividad SEV-2013-0295
Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-1638
Agència de Gestió d'Ajuts Universitaris i de Recerca 2013/BP-A00344
Rights: Aquest material està protegit per drets d'autor i/o drets afins. Podeu utilitzar aquest material en funció del que permet la legislació de drets d'autor i drets afins d'aplicació al vostre cas. Per a d'altres usos heu d'obtenir permís del(s) titular(s) de drets.
Language: Anglès
Document: Article ; recerca ; Versió acceptada per publicar
Subject: Anode electrocatalyst ; Critical challenges ; Ethanol oxidation ; Ethanol oxidation reaction ; Graphitic carbons ; Pd nanospheres ; Size and shape ; Tri-n-octylphosphine
Published in: Journal of materials chemistry. A, Vol. 4, issue 42 (2016) , p. 16706-16713, ISSN 2050-7496

DOI: 10.1039/c6ta06430b


Postprint
9 p, 1.5 MB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (research output) > Experimental sciences > Catalan Institute of Nanoscience and Nanotechnology (ICN2)
Articles > Research articles
Articles > Published articles

 Record created 2019-01-14, last modified 2025-12-05



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