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Enhanced Graphical Representation of Electrochemical Impedance Data

Orazem, Mark E. and Pébère, Nadine and Tribollet, Bernard Enhanced Graphical Representation of Electrochemical Impedance Data. (2006) Journal of The Electrochemical Society (JES), vol. 153 (n° 4). B129-B136. ISSN 0013-4651

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Official URL: http://dx.doi.org/10.1149/1.2168377

Abstract

Bode plots, corrected for Ohmic resistance, logarithmic plots of the imaginary component of the impedance, and effective capacitance plots are shown to be useful complements to the more traditionally used complex-plane and Bode representations for electrochemical impedance data. The graphical methods are illustrated by synthetic data and by experimental data associated with corrosion in saline environments. Bode plots are shown, in particular, to be confounded by the influence of electrolyte resistance. The plots proposed here provide useful guides to model development for both reactive and blocking systems. The logarithmic plots of the imaginary component of the impedance and effective capacitance plots are useful for all impedance data, and the correction for Ohmic resistance in Bode plots is useful when the solution resistance is not negligible.

Item Type:Article
Additional Information:Thanks to Electrochemical Society editor. The definitive version is available at http://scitation.aip.org The original PDF of the article can be found at Journal of The Electrochemical Society website : http://www.ecsdl.org/JES/
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Other partners > University of Florida (USA)
Other partners > Université Pierre et Marie Curie, Paris 6 - UPMC (FRANCE)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
Laboratory name:
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Deposited By: Celine Cabaup
Deposited On:28 May 2009 12:57

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