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Issue 41, 2020
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Facile synthesis of PdAg nanocatalysts on CeO2/C composite supports as high-performance catalysts toward alkaline ethanol electro-oxidation

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Abstract

Direct alkaline ethanol fuel cells (DAEFCs) have attracted great attention as one of the most promising portable energy systems. In this work, we report a novel and facile method to prepare PdAg/xCeO2/C hybrid nanostructured anode catalysts without reducing agents or surfactants. The microstructure and morphology of the as-synthesized nanocatalysts were investigated by X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM) and X-ray photon spectroscopy (XPS) techniques. Furthermore, the electrochemical performance of the resultant catalysts was studied using cyclic voltammetry (CV) and chronoamperometry (CA) measurements. Among the different compositions of PdAg/xCeO2/C catalysts, PdAg/30CeO2/C showed the highest performance for ethanol electro-oxidation reaction (EOR) in the alkaline medium. Such an excellent performance for the EOR indicates that the as-synthesized PdAg/30CeO2/C catalyst could be potentially used as a high performance anode catalyst in DAEFCs.

Graphical abstract: Facile synthesis of PdAg nanocatalysts on CeO2/C composite supports as high-performance catalysts toward alkaline ethanol electro-oxidation

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Article information


Submitted
28 Jul 2020
Accepted
21 Sep 2020
First published
22 Sep 2020

New J. Chem., 2020,44, 17761-17768
Article type
Paper

Facile synthesis of PdAg nanocatalysts on CeO2/C composite supports as high-performance catalysts toward alkaline ethanol electro-oxidation

A. Xie, Q. Zhang, H. He and C. Peng, New J. Chem., 2020, 44, 17761
DOI: 10.1039/D0NJ03757E

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