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A network approach to simulation of electrical properties of symmetric electrochemical cells

Authors
Journal
Journal of Electroanalytical Chemistry
1572-6657
Publisher
Elsevier
Publication Date
Volume
413
Identifiers
DOI: 10.1016/0022-0728(96)04671-2
Keywords
  • Symmetric Electrochemical Cells
  • Simulation
  • Network Model
  • Electrical Properties
Disciplines
  • Chemistry

Abstract

Abstract A network approach has been used to analyse the electrical properties of a classical symmetric electrochemical cell, i.e. a 1:1 binary electrolyte in a cell between two metal-parent-type electrodes. A network model for the Nernst-Planck and Poisson equations describing the ionic transport through the electrolyte solution and for the Butler-Volmer equations describing the interfacial kinetics in such a system has been proposed. With this model and the electric circuit simulation program pspice, the transient response of the system to a step-function-applied potential difference and the small-signal a.c. response of the system subject to a steady external voltage bias have been simulated. The study is intended mainly to emphasize the characteristics of the non-equilibrium electrical double layers at the electrode¦electrolyte solution interfaces and the overlapping effects between these space charge regions.

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