Hello all, I need the fitting equation for the attached circuit. Im trying to add equvalent circuit with these elements in zview software but unable to add Cdl,Wsr and Wsc. Please find the attached images for RCR impedance and warburg impedance equation.
Thank you.. Prof. Ali Zeki. I will go through the attached paper .
Dear Buchaiah Gollapelli ,
The equation fitting your measured complex impedance is already given by you.
But I would like that you must develop a strategy for the fitting according to the shape of the complex impedance curves.
Every half circle is represented by a parallel R-C from which one can determine the values of its parameters the resistance and the capacitance.
The Warburg impedance have different possible shapes one of them follows also a semicircle.
So after my opinion it will be very helpful to divide the complex impedance according to the apparent half circles and the the shape of the impedance curve for the Warburg part.
You have to develop a method for approximate estimation of the parameters and you can refine it by co-simulation of the whole impedance curve.
If you display the curve I can tell you how you can partition it.
Best wishes
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