N-Doped Carbon Xerogels as Pt Support for the Electro-Reduction of Oxygen
AbstractDurability 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
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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.
Alegre C, Sebastián D, Gálvez ME, Baquedano E, Moliner R, Aricò AS, Baglio V, Lázaro MJ. N-Doped Carbon Xerogels as Pt Support for the Electro-Reduction of Oxygen. Materials. 2017; 10(9):1092.Chicago/Turabian Style
Alegre, Cinthia; Sebastián, David; Gálvez, María E.; Baquedano, Estela; Moliner, Rafael; Aricò, Antonino S.; Baglio, Vincenzo; Lázaro, María J. 2017. "N-Doped Carbon Xerogels as Pt Support for the Electro-Reduction of Oxygen." Materials 10, no. 9: 1092.
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