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Article Dans Une Revue Electrochimica Acta Année : 2021

Metallic nanoparticles for electrocatalytic reduction of halogenated organic compounds: A review

Résumé

Increasing attention is paid to the degradation of refractory halogenated organic compounds in wastewaters. For this purpose, electrocatalytic reduction process constitutes a promising technology due to its high selectivity. Owing to their well-controlled structure and high specific surface area, nanoparticles have been the subject of many investigations in electrocatalysis. This study presents a general review on nanoparticles-modified electrodes to achieve reductive dehalogenation. The role of the electrode support, especially 3-D Carbon and metallic porous electrodes are first discussed. Then, the methods to prepare metallic nanoparticles on the electrode supports included spontaneous deposition and/or electrodeposition are summarized and the commonly used characterization methods of nanoparticles modified electrodes are also presented. The influence of the electrode material, Ag, Pd, and Cu, as representatives, on electro-dehalogenation process is discussed and compared. Finally, this review also highlights the recent applications of these nanoparticles-modified electrodes for the treatment of halogenated organic compounds in aqueous solutions.

Domaines

Chimie
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Dates et versions

hal-03196113 , version 1 (21-04-2021)

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Y.-Y. Lou, J.-M. Fontmorin, A. Amrane, F. Fourcade, Florence Geneste. Metallic nanoparticles for electrocatalytic reduction of halogenated organic compounds: A review. Electrochimica Acta, 2021, 377, pp.138039. ⟨10.1016/j.electacta.2021.138039⟩. ⟨hal-03196113⟩
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