Development of New Carbon-Based Electrode Material from Oil Palm Waste-Derived Reduced Graphene Oxide and Its Capacitive Performance Evaluation

Figure 9

Electrochemical studies for the rGOOPL-E3 and rGOCG-E4 electrodes: (a, c) cyclic voltammetry curves measured at various scan rates in mV/s and (b, d) galvanostatic charge/discharge curves determined at different current densities in A g^-1.

(a)

(b)

(c)

(d)