Research Article

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

Figure 3

Field emission scanning electron microscopy (FESEM) images of the reduced graphene oxide (rGO) samples: (a) rGO derived from the oil palm leaf (rGOOPL) having a carbon matrix exhibiting a nanoball-like structure, (b) rGO derived from palm kernel shell (rGOPKS), (c) rGO derived from the empty fruit bunch (rGOEFB), and (d) rGO derived from commercial graphite (rGOCG).
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