Direct observation of the dealloying process of a platinum-yttrium nanoparticle fuel cell cathode and its oxygenated species during the oxygen reduction reaction

Phys. Chem. Chem. Phys., 2015, 17,28121-28128
DOI: 10.1039/C5CP00283D, Paper

Paolo Malacrida, Hernan G. Sanchez Casalongue, Federico Masini, Sarp Kaya, Patricia Hernandez-Fernandez, Davide Deiana, Hirohito Ogasawara, Ifan E. L. Stephens, Anders Nilsson, Ib Chorkendorff
Size-selected 9 nm Pt_xY nanoparticles have recently shown an outstanding catalytic activity for the oxygen reduction reaction, representing a promising cathode catalyst for proton exchange membrane fuel cells (PEMFCs).
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