Figure 1

Schematic illustration of the synthesis process:
(a) the RGO-Ni(OH)2 composite and pure Ni(OH)2 and (b) the enhanced RGO sheets with Ni(OH)2 particles as spacers and the conventional RGO sheets prepared by directly thermal treatment.

Schematic illustration of the synthesis process:
(a) the RGO-Ni(OH)2 composite and pure Ni(OH)2 and (b) the enhanced RGO sheets with Ni(OH)2 particles as spacers and the conventional RGO sheets prepared by directly thermal treatment.