Electrochemical Behavior of Organics Oxidation on Palladium-Based Nanocatalysts Synthesized from Bromide Anion Exchange

Palladium-based and gold nanomaterials were synthesized by the so-called "Bromide Anion Exchange" method. This soft and clean synthetic route leads to well dispersed small nanoparticles on carbon support. Accordingly, these nanoscale structures have a high active surface area like 81 m2 g-...

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Published in:ECS transactions 2014-01, Vol.58 (46), p.25-35
Main Authors: Holade, Yaovi, Morais, Claudia, Napporn, Teko W., Servat, Karine, Kokoh, Kouakou Boniface
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Language:English
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creator Holade, Yaovi
Morais, Claudia
Napporn, Teko W.
Servat, Karine
Kokoh, Kouakou Boniface
description Palladium-based and gold nanomaterials were synthesized by the so-called "Bromide Anion Exchange" method. This soft and clean synthetic route leads to well dispersed small nanoparticles on carbon support. Accordingly, these nanoscale structures have a high active surface area like 81 m2 g-1 for the 20 wt.% Pd/C electrocatalyst. The CO stripping experiments performed in alkaline medium have highlighted the dependence of the CO adsorption mode on palladium. When used as anode for glycerol or glucose electrooxidation in alkaline medium, they exhibit good activities. Moreover, the bimetallic catalysts showed an important improvement of the kinetics at lower potentials when compared to Pd/C. Some added value products like glycerate or glycolate have been detected by chromatographic analysis. These nanomaterials are promising electrodes in fuel or hybrid biofuel cell devices in a cogeneration of high value chemicals and energy process
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title Electrochemical Behavior of Organics Oxidation on Palladium-Based Nanocatalysts Synthesized from Bromide Anion Exchange
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