Before revision: This method only provides a spatial resolution of the order of a Debye length <math> \lambda _{D systems where more than one process gives a substantial kinetic response, it is necessary to adopt Electrochemical Impedance Spectroscopy that resolves the different capacitances in the system.
After revision: This method only provides a spatial resolution of the order of a Debye length  systems where more than one process gives a substantial kinetic response, it is necessary to adopt Electrochemical Impedance Spectroscopy that resolves the different capacitances in the system.