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Table 1 Electrochemical impedance spectroscopy data obtained from actual Nyquist plots

From: Vertically aligned ZnO nanorod core-polypyrrole conducting polymer sheath and nanotube arrays for electrochemical supercapacitor energy storage

Components Rs. cm2) Rct. cm2) W. cm2) Ci(mf.cm-2) Ci(f.g-1)
ZnO nanorod core-PPy sheath 0 5.8 20.4 107.3 74
Narrow PPy nanotube (2-h etch) 0 8.2 8.4 84.2 58
Open PPy nanotube (4-h etch) 1 7.2 5.4 83 57.2