Figure 5

(Ozoemena):

Electrochemical performances of symmetric pseudocapacitors of ANP_mr coated on carbon cloth in 3M KOH: (a) Typical cyclic voltammogram obtained at a scan rate of 10 mVs⁻¹; (b) galvanostatic CD profiles of ANPweg at the current density of 10 mA cm⁻²; (c) Areal capacitance calculated from CD curves as a function of current density; (d) Cycling stability and coulombic efficiency from 5,000 continuous charge-discharge cycles at 10 mA cm⁻²; (e) Ragone plot of A ANP_mr symmetric supercapacitor compared with other symmetric supercapacitor values reported in literature^27,28,29; and (f) Nyquist plot of ANP_mr symmetric supercapacitor (inset; magnified view).