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Electrochemical characterization of the electrooxidation of methanol, ethanol and formic acid on Pt/C and PtRu/C electrodes

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Abstract

Methanol, ethanol and formic acid electrooxidations in acid medium on Pt/C and PtRu/C catalysts were investigated. The catalysts were prepared by a microwave-assisted polyol process. Cyclic voltammetry and chronoamperometry were employed to provide quantitative and qualitative information on the kinetics of methanol, ethanol and formic acid oxidations. The PtRu/C catalyst showed higher anodic current densities than the Pt/C catalyst and the addition of Ru reduced the poisoning effect.

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Authors and Affiliations

  1. Institute of Materials Research & Engineering, 3 Research Link, Singapore, 117602, Singapore

    Zhaolin Liu & Liang Hong

  2. Department of Chemical and Biomolecular Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore, 119260, Singapore

    Liang Hong

Authors
  1. Zhaolin Liu
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  2. Liang Hong
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Correspondence to Zhaolin Liu.

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Liu, Z., Hong, L. Electrochemical characterization of the electrooxidation of methanol, ethanol and formic acid on Pt/C and PtRu/C electrodes. J Appl Electrochem 37, 505–510 (2007). https://doi.org/10.1007/s10800-006-9282-0

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  • DOI: https://doi.org/10.1007/s10800-006-9282-0

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