Fig. 8From: Xylan derived carbon sphere/graphene composite film with low resistance for supercapacitor electrodea Discharging and resultant areal capacitance of aXCS/rGO-AA, b Capacity retention during 10,000 cycles of CV (scan rate 50 mV/s), c SEM images of aXCS/rGO-AA before cycles and d after cyclesBack to article page