Fig. 3
From: Xylan derived carbon sphere/graphene composite film with low resistance for supercapacitor electrode
a CV curves of aXCS-2 and aXCS-4~7 under scan rate of 5 mV/s, b CV curves of aXCS-1~3 under scan rate of 5 mV/s, c CV curves of aXCS-2, 8, 9 under scan rate of 5 mV/s, d CV curves of aXCS-2 under different scan rate