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Issue 30, 2018
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Palladium nanoparticles anchored on NCNTs@NGS with a three-dimensional sandwich-stacked framework as an advanced electrocatalyst for ethanol oxidation

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Abstract

A new electrocatalyst (denoted as Pd/NCNTs@NGS) with a three-dimensional sandwich-stacked framework was fabricated through a facile hydrothermal method (to build the NCNTs@NGS by inserting nitrogen-doped truncated carbon nanotubes into nitrogen-doped graphene nanosheets) followed by a simple chemical reduction (to anchor the palladium nanoparticles). The unique architecture and composition of the three-dimensional sandwich-stacked framework for Pd/NCNTs@NGS supply abundant active sites to anchor nanoparticles and provide a fast channel for electrons, reactants and products during the reaction process. Furthermore, the NCNTs can reinforce the three-dimensional rigid skeletal substructure of NCNTs@NGS. Thanks to the above-mentioned advantages, the Pd/NCNTs@NGS displays an excellent electrochemical behavior in alkaline media for the ethanol oxidation reaction, including high electrocatalytic activity, accelerated kinetics, forceful anti-CO poisoning ability and long-term stability. Therefore, it is believed that the Pd/NCNTs@NGS will be a promising candidate as an anode catalyst for direct ethanol fuel cells, and the NCNTs@NGS will also be used to design other electrocatalysts as superior supporting materials.

Graphical abstract: Palladium nanoparticles anchored on NCNTs@NGS with a three-dimensional sandwich-stacked framework as an advanced electrocatalyst for ethanol oxidation

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Publication details

The article was received on 14 May 2018, accepted on 05 Jul 2018 and first published on 05 Jul 2018


Article type: Paper
DOI: 10.1039/C8TA04471F
Citation: J. Mater. Chem. A, 2018,6, 14717-14724
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    Palladium nanoparticles anchored on NCNTs@NGS with a three-dimensional sandwich-stacked framework as an advanced electrocatalyst for ethanol oxidation

    S. Li, H. Yang, H. Zou, M. Yang, X. Liu, J. Jin and J. Ma, J. Mater. Chem. A, 2018, 6, 14717
    DOI: 10.1039/C8TA04471F

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