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Electrocatalytic Oxidation of Methanol and Related Chemical Species on Ultrafine Pt and PtRu Particles Supported on Carbon

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Abstract

Well-homogenized PtRu/C electrocatalysts possessing high specific activity for methanol electro-oxidation were prepared by a co-impregnation method from carbon black and ethanolic solutions of Pt(NH3)2(NO2)2 and RuNO(NO3) x . The specific activity for methanol electro-oxidation increased with an increase in the PtRu particle size. A similar size effect was observed for Pt/C electrocatalysts. The size effect was discussed by considering a model catalyst method.

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Authors and Affiliations

  1. Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda, 386-8567, Japan

    Yoshio Takasu, Wataru Sugimoto & Yasushi Murakami

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  1. Yoshio Takasu
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  2. Wataru Sugimoto
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  3. Yasushi Murakami
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Correspondence to Yoshio Takasu.

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Takasu, Y., Sugimoto, W. & Murakami, Y. Electrocatalytic Oxidation of Methanol and Related Chemical Species on Ultrafine Pt and PtRu Particles Supported on Carbon. Catalysis Surveys from Asia 7, 21–29 (2003). https://doi.org/10.1023/A:1023428523640

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