Facile synthesis of Ni(OH)2/graphene/bacterial cellulose paper for large areal mass, mechanically tough and flexible supercapacitor electrodes

a) High-resolution SEM images of Ni(OH)2-H/RGO/BC; inset is the flexibility of bending. b) Comparison of areal capacitances of Ni(OH)2-L/RGO/BC, Ni(OH)2-M/RGO/BC and Ni(OH)2-H/RGO/BC versus different current densities.330