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Recent Advances in Carbon Supported Metal Nanoparticles Preparation for Oxygen Reduction Reaction in Low Temperature Fuel Cells

Université de Poitiers, UMR CNRS 7285, « Équipe SAMCat »»; 4, rue Michel Brunet, B27, TSA 51106, 86073 Poitiers cedex 09, France
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Academic Editor: Minhua Shao
Catalysts 2015, 5(1), 310-348; https://doi.org/10.3390/catal5010310
Received: 19 December 2014 / Revised: 16 February 2015 / Accepted: 26 February 2015 / Published: 6 March 2015
(This article belongs to the Special Issue Electrocatalysis in Fuel Cells)
The oxygen reduction reaction (ORR) is the oldest studied and most challenging of the electrochemical reactions. Due to its sluggish kinetics, ORR became the major contemporary technological hurdle for electrochemists, as it hampers the commercialization of fuel cell (FC) technologies. Downsizing the metal particles to nanoscale introduces unexpected fundamental modifications compared to the corresponding bulk state. To address these fundamental issues, various synthetic routes have been developed in order to provide more versatile carbon-supported low platinum catalysts. Consequently, the approach of using nanocatalysts may overcome the drawbacks encountered in massive materials for energy conversion. This review paper aims at summarizing the recent important advances in carbon-supported metal nanoparticles preparation from colloidal methods (microemulsion, polyol, impregnation, Bromide Anion Exchange…) as cathode material in low temperature FCs. Special attention is devoted to the correlation of the structure of the nanoparticles and their catalytic properties. The influence of the synthesis method on the electrochemical properties of the resulting catalysts is also discussed. Emphasis on analyzing data from theoretical models to address the intrinsic and specific electrocatalytic properties, depending on the synthetic method, is incorporated throughout. The synthesis process-nanomaterials structure-catalytic activity relationships highlighted herein, provide ample new rational, convenient and straightforward strategies and guidelines toward more effective nanomaterials design for energy conversion. View Full-Text
Keywords: electrocatalysts; oxygen reduction reaction; fuel cell; nanoparticles preparation; water in oil microemulsion; platinum; palladium electrocatalysts; oxygen reduction reaction; fuel cell; nanoparticles preparation; water in oil microemulsion; platinum; palladium
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Holade, Y.; Sahin, N.E.; Servat, K.; Napporn, T.W.; Kokoh, K.B. Recent Advances in Carbon Supported Metal Nanoparticles Preparation for Oxygen Reduction Reaction in Low Temperature Fuel Cells. Catalysts 2015, 5, 310-348.

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