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Materials 2017, 10(9), 1092;

N-Doped Carbon Xerogels as Pt Support for the Electro-Reduction of Oxygen

Instituto de Carboquímica, Consejo Superior de Investigaciones Científicas (CSIC), C/Miguel Luesma Castán 4, 50018 Zaragoza, Spain
Istituto di Tecnologie Avanzate per l’Energia “Nicola Giordano”, Consiglio Nazionale delle Ricerche (CNR), Salita Santa Lucia sopra Contesse, 5, 98126 Messina, Italy
Sorbonne Universités, Universite Pierre et Marie Curie (UPMC) Paris, Institut Jean le Rond D’Alembert, UMR CNRS 7190, 78210 Saint-Cyr L’Ecole, France
Authors to whom correspondence should be addressed.
Received: 28 July 2017 / Revised: 4 September 2017 / Accepted: 14 September 2017 / Published: 17 September 2017
(This article belongs to the Special Issue Advanced Materials in Polymer Electrolyte Fuel Cells)
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Durability and limited catalytic activity are key impediments to the commercialization of polymer electrolyte fuel cells. Carbon materials employed as catalyst support can be doped with different heteroatoms, like nitrogen, to improve both catalytic activity and durability. Carbon xerogels are nanoporous carbons that can be easily synthesized in order to obtain N-doped materials. In the present work, we introduced melamine as a carbon xerogel precursor together with resorcinol for an effective in-situ N doping (3–4 wt % N). Pt nanoparticles were supported on nitrogen-doped carbon xerogels and their activity for the oxygen reduction reaction (ORR) was evaluated in acid media along with their stability. Results provide new evidences of the type of N groups aiding the activity of Pt for the ORR and of a remarkable stability for N-doped carbon-supported Pt catalysts, providing appropriate physico-chemical features. View Full-Text
Keywords: N-doped; carbon xerogels; Pt-catalysts; oxygen reduction reaction N-doped; carbon xerogels; Pt-catalysts; oxygen reduction reaction

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Alegre, C.; Sebastián, D.; Gálvez, M.E.; Baquedano, E.; Moliner, R.; Aricò, A.S.; Baglio, V.; Lázaro, M.J. N-Doped Carbon Xerogels as Pt Support for the Electro-Reduction of Oxygen. Materials 2017, 10, 1092.

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