Phys. Rev. E 71, 062201 (2005) [4 pages]Influence of adsorption phenomenon on the impedance spectroscopy of a cell of liquidReceived 15 December 2004; published 30 June 2005 We investigate the influence of the adsorption phenomenon on the impedance spectroscopy measurements. The analysis is performed by assuming that the ions have the same mobility and the electrodes are perfectly blocking. We find that in the low frequency range the presence of the adsorption phenomenon is responsible for an increasing of the real part of the impedance of the cell, similar to the one usually described by means of the impedance of the metal-electrolyte interface. The frequency dependencies theoretically predicted by our model for the real and imaginary parts of the complex dielectric constant are in qualitative agreement with the experimental data published by other groups. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevE.71.062201
DOI:
10.1103/PhysRevE.71.062201
PACS:
66.10.−x, 77.84.Nh, 61.30.−v, 73.40.−c
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