Research Article

Cauliflower-Like Co3O4/Three-Dimensional Graphene Composite for High Performance Supercapacitor Applications

Figure 2

SEM images of (a) 3D graphene, (b) the precursor of Co3O4/3D graphene composite, Co3O4/3D graphene composite with (c) low and (d) high magnification, and (e) the precursor of Co3O4 and (f) Co3O4.
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