Organometallic Synthesis Applied To Pt-Based Nanocatalysts for Oxygen Reduction Reaction
Résumé
The need for sustainable energy technologies increased with fossil fuel depletion and atmosphere-pollution issues. For this concern, proton exchange membrane fuel cells (PEMFCs) stand out for their high conversion efficiency and low environmental pollution. As Pt-based catalysts are known as the most effective for the oxygen reduction reaction (ORR) that occurs at the PEMFC cathode, it is essential to enhance their catalytic efficiency and reduce the costs in view of commercializing fuel cell technology. Our work focuses on synthesizing carbon-supported Pt-based nanoparticles (NPs) using a solution organometallic chemistry approach to have control over the composition, structure and morphology of the NPs. Two distinct synthesis pathways have been used for studying their influence on the electrocatalytic activity of the obtained nanomaterials.
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