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Preparation and electrocatalytic performance of the Pt supported on the alkali-treated nanoporous TiO2 material

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Abstract

In this work, we prepared a Pt/TiO2 electrocatalyst for methanol electrooxidation. The Pt nanoparticles were loaded on the alkali-treated nanoporous TiO2 by a convenient deposition method. The morphology of the nanoporous TiO2 was depended on the alkali treatment time. After 15-min alkali treatment, the flocculent-liked nanostructure was formed, and the specific surface area of the material was the largest. The amounts as well as the size and distribution of Pt nanoparticles were controlled by loading times. The catalytic activities of the catalysts toward methanol electrooxidation were tested in the alkaline condition. The alkali treatment time and chemical loading time were the key factors that influenced the catalytic activities. The optimal catalytic activity was achieved when the loading time was six.

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Acknowledgments

We gratefully acknowledge the partial support of this work by the National Natural Science Foundation of China (No. 51172159), Specialized Research Fund for the Doctoral Program of Higher Education of China (No. 20110032110023), and Recruitment Program of Global Experts “1000 Talents Plan” of China (No. WQ20121200052).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Tianjin University, Tianjin, 300072, China

    Peili Guo, Wence Xu, Shengli Zhu, Xianjin Yang & Akihisa Inoue

  2. Tianjin Key Laboratory of Composite and Functional Materials, Tianjin, 300072, China

    Shengli Zhu & Xianjin Yang

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  1. Peili Guo
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  2. Wence Xu
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  3. Shengli Zhu
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  4. Xianjin Yang
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  5. Akihisa Inoue
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Correspondence to Shengli Zhu.

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Guo, P., Xu, W., Zhu, S. et al. Preparation and electrocatalytic performance of the Pt supported on the alkali-treated nanoporous TiO2 material. Ionics 21, 2863–2869 (2015). https://doi.org/10.1007/s11581-015-1481-4

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  • DOI: https://doi.org/10.1007/s11581-015-1481-4

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