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  • A XAS study of a highly diluted Pt electrocatalyst operating in PEM fuel cells
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    - PHYSICAL CHEMISTRY CHEMICAL PHYSICS - Year 2009

    We present an X-ray absorption spectroscopy (XAS) study of a low Pt content catalyst layer(Pt loading 0.1 mg c2) operating at the cathode of a proton exchange membrane fuel cell(PEMFC). This catalyst is based on the use of a mesoporous inorganic matrix as a support forthe catalyst Pt nanoparticles. Due to the high Pt dilution, in situ measurements of itsstructural properties by XAS are challenging and suitable experimental strategies...

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