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Hameed RM, Amin RS, El-Khatib KM, et al. Influence of Metal Oxides on Platinum Activity towards Methanol Oxidation in H2SO4 solution. Chemphyschem. 2016;17(7):1054-61doi: 10.1002/cphc.201501072.
Hameed, R. M., Amin, R. S., El-Khatib, K. M., & Fetohi, A. E. (2016). Influence of Metal Oxides on Platinum Activity towards Methanol Oxidation in H2SO4 solution. Chemphyschem : a European journal of chemical physics and physical chemistry, 17(7), 1054-61. https://doi.org/10.1002/cphc.201501072
Hameed, R M Abdel, et al. "Influence of Metal Oxides on Platinum Activity towards Methanol Oxidation in H2SO4 solution." Chemphyschem : a European journal of chemical physics and physical chemistry vol. 17,7 (2016): 1054-61. doi: https://doi.org/10.1002/cphc.201501072
Hameed RM, Amin RS, El-Khatib KM, Fetohi AE. Influence of Metal Oxides on Platinum Activity towards Methanol Oxidation in H2SO4 solution. Chemphyschem. 2016 Apr 04;17(7):1054-61. doi: 10.1002/cphc.201501072. Epub 2016 Feb 02. PMID: 26748621.
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Chemphyschem. 2016 Apr 04;17(7):1054-61. doi: 10.1002/cphc.201501072. Epub 2016 Feb 02.

Influence of Metal Oxides on Platinum Activity towards Methanol Oxidation in H2SO4 solution.

Chemphyschem : a European journal of chemical physics and physical chemistry

R M Abdel Hameed, R S Amin, K M El-Khatib, Amani E Fetohi

Affiliations

  1. Chemistry Department, Faculty of Science, Cairo University, Giza, Egypt.
  2. Chemical Engineering Department, National Research Center, Dokki, Giza, Egypt.
  3. Chemical Engineering Department, National Research Center, Dokki, Giza, Egypt. [email protected].

PMID: 26748621 DOI: 10.1002/cphc.201501072

Abstract

Pt-CeO2 /C, Pt-TiO2 /C, and Pt-ZrO2 /C electrocatalysts were prepared by using a modified microwave-assisted polyol process. Physical characterization was performed by using XRD, TEM, and EDX analyses. The incorporation of different metal oxides increased the dispersion degree of Pt nanoparticles and reduced their diameter to 2.50 and 2.33 nm when TiO2 and ZrO2 were introduced to Pt/C, respectively. The electrocatalytic activity of various electrocatalysts was examined towards methanol oxidation in H2 SO4 solution by using cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy. Among the studied composites, Pt-ZrO2 /C was selected to be a candidate electrocatalyst for better electrochemical performance in direct methanol fuel cells.

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: acid medium; fuel cells; methanol; platinum; transition-metal oxides

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