Dynamics of copper electrodeposition onto fibrous carbon electrodes

Dynamics of copper electrodeposition onto fibrous carbon electrodes Distribution of copper electrodeposited from a sulfuric acid solution onto fibrous carbon electrodes, copper deposition rate, and current efficiency by the metal were studied in relation to the electrolysis duration, electrical conductivity of the electrode, geometric current density, and solution flow rate. The variation of the electrode thickness on which copper ions discharge at the limiting diffusion current at various solution flow rates and the electrode thickness on which the whole amount of oxygen dissolved in the electrolyte is reduced were calculated in relation to the solution flow rate and geometric current density. The main factors governing the distribution of copper across the electrode thickness and the electrolysis parameters from the beginning of the process till “clogging” of a part of the electrode by the metal were determined. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Dynamics of copper electrodeposition onto fibrous carbon electrodes

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2012 by Pleiades Publishing, Ltd.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Chemistry/Food Science, general
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427212050138
Publisher site
See Article on Publisher Site

Abstract

Distribution of copper electrodeposited from a sulfuric acid solution onto fibrous carbon electrodes, copper deposition rate, and current efficiency by the metal were studied in relation to the electrolysis duration, electrical conductivity of the electrode, geometric current density, and solution flow rate. The variation of the electrode thickness on which copper ions discharge at the limiting diffusion current at various solution flow rates and the electrode thickness on which the whole amount of oxygen dissolved in the electrolyte is reduced were calculated in relation to the solution flow rate and geometric current density. The main factors governing the distribution of copper across the electrode thickness and the electrolysis parameters from the beginning of the process till “clogging” of a part of the electrode by the metal were determined.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jun 15, 2012

References

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