Journal
ADVANCES IN ENGINEERING SOFTWARE
Volume 41, Issue 1, Pages 9-12Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.advengsoft.2008.12.012
Keywords
Electrochemistry; Diffusion; Semiintegration; Semidifferentiation; Fractional-operators; Electrodes; Concentration; Flux
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Funding
- Natural Sciences and Engineering Research Council of Canada
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Electrochemistry was one of the first sciences to benefit from the fractional calculus. Electrodes may be thought of as transducers of chemical fluxes into electricity. In a typical electrochemical cell, chemical species, such as ions or dissolved molecules, move towards the electrodes by diffusion. Likewise, other species are liberated into solution by the electrode reaction and diffuse away from the electrode into the bulk solution. It is demonstrated in this paper that the electric current is linearly related to the temporal semiderivative of the concentrations, at the electrode, of the species involved in the electrochemical reaction. More usefully, the semiintegral of the current provides immediate access information about concentrations. (C) 2009 Civil-Comp Ltd. and Elsevier Ltd. All rights reserved.
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