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

Figure 10

Galvanostatic charge/discharge curves of (a) rGOOPL and (b) rGOPKS determined at new current densities of 1, 2, 3, 4, and 5 A g^-1.

(a)

(b)