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Ethanol oxidation at metal–zeolite-modified electrodes in alkaline medium. Part 2: palladium–zeolite-modified graphite electrode

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Abstract

Impregnated Pd–zeolite graphite (PdZG) electrodes have been tested for ethanol oxidation in 0.5 M NaOH. The results obtained have been compared with that of Pd electrode. Cyclic voltammetric and chronoamperometric measurements indicated the activity of PdZG electrode toward ethanol oxidation and poisoning tolerance. The influence of zeolite loading as well as impregnation time in Pd2+ solution has been examined. Scan rate effect and ethanol concentration dependency indicated that ethanol oxidation at PdZG electrode was governed by diffusion control.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, El-Mansoura University, 35516, El-Mansoura, Egypt

    A. A. El-Shafei, A. M. Abd Elhafeez & H. A. Mostafa

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  1. A. A. El-Shafei
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  2. A. M. Abd Elhafeez
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  3. H. A. Mostafa
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Correspondence to A. A. El-Shafei.

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El-Shafei, A.A., Abd Elhafeez, A.M. & Mostafa, H.A. Ethanol oxidation at metal–zeolite-modified electrodes in alkaline medium. Part 2: palladium–zeolite-modified graphite electrode. J Solid State Electrochem 14, 185–190 (2010). https://doi.org/10.1007/s10008-009-0872-8

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  • DOI: https://doi.org/10.1007/s10008-009-0872-8

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