Electrode Properties of Mn₂O₃ Nanospheres Synthesized by Combined Sonochemical/Solvothermal Method for Use in Electrochemical Capacitors

Figure 7

Specific capacitance versus potential plot of nanospherical Mn₂O₃. Arrow indicates decreasing scan rate (100, 70, 50, 20, 10, and 5 mVs⁻¹).

(a)

(b)