This work describes a Combined Simulation System (CSS) able to predict the electrical behaviour of a metal electrode in contact with an electrolyte. The system is based on a mixture of Lumped Parameters Equivalent Electrical Circuits (LPEEC) and Pseudo-Distributed Elements (PDE): a PDE is a network of basic equivalent electrical circuits, e.g. resistor and capacitor parallels, in which a geometrical information can be retained. Electrochemical Impedance Spectroscopy (EIS) measurements have been performed on a standard solution of known electrical conductivity with Micro-Electrodes Array (MEA) devices in order to investigate set-up parasitic elements and electrochemical interfaces parameters. CSS performance has been compared to usual LPEEC fit approach in terms of both results accuracy and solving time.

Development of an electrode/electrolyte interface model based on pseudo-distributed elements combining COMSOL, MATLAB and HSPICE

SCARAMUZZA, MATTEO;PASQUALOTTO, ELISABETTA;DE TONI, ALESSANDRO
2012

Abstract

This work describes a Combined Simulation System (CSS) able to predict the electrical behaviour of a metal electrode in contact with an electrolyte. The system is based on a mixture of Lumped Parameters Equivalent Electrical Circuits (LPEEC) and Pseudo-Distributed Elements (PDE): a PDE is a network of basic equivalent electrical circuits, e.g. resistor and capacitor parallels, in which a geometrical information can be retained. Electrochemical Impedance Spectroscopy (EIS) measurements have been performed on a standard solution of known electrical conductivity with Micro-Electrodes Array (MEA) devices in order to investigate set-up parasitic elements and electrochemical interfaces parameters. CSS performance has been compared to usual LPEEC fit approach in terms of both results accuracy and solving time.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11577/2821882
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