Modeling of the Simultaneous Hydrogen Evolution and Cobalt Electrodeposition |
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| Authors: | Dr. Piotr M. Skitał Aleksandra J. Domańska |
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| Affiliation: | 1. Faculty of Chemistry, Rzeszów University of Technology, 35-959 Rzeszów, Poland;2. Doctoral School of Engineering and Technical Sciences at the Rzeszów University of Technology, 35-959 Rzeszów, Poland |
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| Abstract: | A mathematical model of simultaneous cobalt deposition and hydrogen evolution was developed and applied to the electroreduction process of 5 mM Co2+ ions investigated by cyclic voltammetry (CV) technique at different hydrogen ion concentrations (pH=2, 3, 4). The kinetic parameters of such a complex process were determined, and the validity of the model and its sensitivity to changes in individual parameters were verified. The relative value of the approximate standard deviation (ASD%) was used to determine the degree of fit of the model to the experimental data. The catalytic effect of cobalt on the hydrogen evolution process was comprehensively confirmed. |
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| Keywords: | cobalt electroreduction computational chemistry cyclic voltammetry hydrogen evolution mathematical modeling |
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