Fig. 1
From: Xylan derived carbon sphere/graphene composite film with low resistance for supercapacitor electrode
a CV curves of rGO and rGO-AA-1~4 at scan rate of 5 mV/s, b CV curve of rGO-AA-3 at scan rate of 5, 10, 20, 50 mV/s, respectively, c GCD curves of rGO-AA-3 at current density of 1, 2, 3, 4, 5, and 10 mA/cm2, respectively, d EIS spectrum of rGO and rGO-AA-1~4