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Preparation and Characterization of Platinum/Ceria-based Catalysts for Methanol Electro-oxidation in Alkaline Medium

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Abstract

Platinum/Cerium oxide-based catalysts for methanol electro oxidation were prepared by the occlusion deposition technique. Composite glassy carbon (GC) electrodes were modified and then tested towards the methanol electro oxidation half reaction in acid and alkaline medium. Cyclic voltammetry and chronoamperometry techniques were used to test the catalytic response of the composite electrodes. AFM studies were carried out in order to have a measurement of the particle size and distribution of the platinum/ceria catalyst on HOPG.

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Acknowledgments

The authors gratefully acknowledge the financial support from the Puerto Rico Institute for Functional Nanomaterials NSF- EPSCoR-IFN Grant No. OIA-070152, 1002410 and the Center for Advanced Nanoscale Materials NASA-URC Grant Number NNX10AQ17A.

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Authors and Affiliations

  1. Rio Piedras Campus, Chemistry Graduate Program, University of Puerto Rico, PO Box 23346, San Juan, PR, 00931-3346, USA

    Christian L. Menéndez & Carlos R. Cabrera

  2. Institute for Functional Nanomaterials, University of Puerto Rico, Rio Piedras Campus, PO Box 23346, San Juan, PR, 00931-3346, USA

    Ana-Rita Mayol

  3. Center for Advanced Nanoscale Materials, University of Puerto Rico, Rio Piedras Campus, PO Box 23346, San Juan, PR, 00931-3346, USA

    Carlos R. Cabrera

Authors
  1. Christian L. Menéndez
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  2. Ana-Rita Mayol
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  3. Carlos R. Cabrera
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Menéndez, C.L., Mayol, AR. & Cabrera, C.R. Preparation and Characterization of Platinum/Ceria-based Catalysts for Methanol Electro-oxidation in Alkaline Medium. MRS Online Proceedings Library 1446, 37–43 (2012). https://doi.org/10.1557/opl.2012.953

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  • DOI: https://doi.org/10.1557/opl.2012.953

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