A numerical method of calculating secondary current distributions in electrochemical cells

1989 ◽  
Vol 19 (2) ◽  
pp. 281-286 ◽  
Author(s):  
Akira Katagiri ◽  
Yoshinori Miyazaki
Keyword(s):  
Numerical Method ◽  
Electrochemical Cells ◽  
Secondary Current ◽  
Current Distributions

scholarly journals A finite difference equivalent circuit approach to secondary current modelling in annular porous electrodes

2001 ◽  
Vol 5 (2) ◽  
pp. 119-132
Author(s):  
T. W. Farrell ◽  
D. L. S. Mcelwain ◽  
D. A. J. Swinkels
Keyword(s):  
Finite Difference ◽  
Equivalent Circuit ◽  
Porous Electrode ◽  
Porous Electrodes ◽  
Degree Of Polarization ◽  
Secondary Current ◽  
Current Distributions ◽  
Circuit Techniques ◽  
Model Equations ◽  
Current Modelling

An equivalent circuit for an annular porous electrode is derived by reinterpreting the differential equations that approximate the distribution of voltage and current in such electrodes. The equivalent circuit is shown to provide useful physical interpretations of the secondary current distributions. Multi-loop circuit techniques are employed to obtain the current distributions within the circuit. The solutions are shown to compare well with the exact solutions of the model equations. In addition, the equivalent circuit approach is used to investigate the effect of curvature on the degree of polarization of the electrode.

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