How can I fit two semicircled nyquisit plot to an equvalent circuit with two resistance and 2 capacitance?

I have a Ru based electrocatalyst which I use it for Hydrogen Evolution Reaction. I have analyzed the EIS of this catalyst in the region of H-UPD and H-OPD. In more positive regions, the nyquisit...

30 June 2018 5,296 6 View