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Electrocatalytic Activity of Pd–CeO2 Nanobundle in an Alkaline Ethanol Oxidation

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Abstract

We successfully synthesized Pd–CeO2 nanobundles in an anodic alumina template via occlusion electrodeposition for use during ethanol oxidation in alkaline ethanol fuel cells. As a result, well-ordered arrays of free-standing Pd–CeO2 nanobundles have an increased number of oxygen species on the surface, while the electrochemical active surface area remains relatively constant. Consequently, the electrocatalytic activity and stability of Pd–CeO2 nanobundles are dramatically enhanced in KOH and ethanol solution during ethanol oxidation compared to pure Pd prepared with no ceria suspension.

Graphical Abstract

Nanobundle electrocatalyst: Well-ordered arrays of free-standing Pd–CeO2 nanobundle prepared using nanoporous anodic aluminium oxide template resulted in the better electrocatalytic activity and more stability in an ethanol oxidation.

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Acknowledgements

This work was supported by the National Research Foundation of Korea Grant funded by the Korean Government [NRF-2009-351-D00053].

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Authors and Affiliations

  1. Ertl Center for Electrochemistry and Catalysis, School of Environmental Science and Engineering, Gwangju Institute of Science and Technology, Gwangju, 500-712, South Korea

    Sunghyun Uhm, Youngmi Yi & Jaeyoung Lee

Authors
  1. Sunghyun Uhm
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  2. Youngmi Yi
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  3. Jaeyoung Lee
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Correspondence to Jaeyoung Lee.

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Uhm, S., Yi, Y. & Lee, J. Electrocatalytic Activity of Pd–CeO2 Nanobundle in an Alkaline Ethanol Oxidation. Catal Lett 138, 46–49 (2010). https://doi.org/10.1007/s10562-010-0378-0

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  • DOI: https://doi.org/10.1007/s10562-010-0378-0

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