Ionic Liquid-Assisted Synthesis of a NiO/CNTs Composite and Its Electrochemical Capacitance

Figure 4

Cyclic voltammograms (a) and charge/discharge curves (b) of the NiO/CNTs and NiO electrodes at potentials of 0 to 0.5 V with a scan rate of 10 mVs⁻¹ and a current density of 0.5 A g⁻¹.

(a)

(b)