Influence of a near-electrode layer thickness on the diffusion impedance
DOI:
https://doi.org/10.15407/dopovidi2018.01.034Keywords:
diffusion impedance, impedance spectroscopy, mass transfer, Nernst diffusion layer, oscillatory diffusion layer, phase angleAbstract
It is shown that the impedance of a near-electrode layer increases with the thickness of the Nernst diffusion layer. A qualitative estimation of the phase angle of the diffusion impedance depending on the frequency at different diffusion layer thicknesses is obtained. It is shown that the diffusion is a reason for a delay in the phase of changes in the surface concentration of species with respect to the current.
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