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Figure 4 | Nanoscale Research Letters

Figure 4

From: One-pot hydrothermal synthesis of Mn3O4 nanorods grown on Ni foam for high performance supercapacitor applications

Figure 4

CV and charging-discharging curves, corresponding specific capacitance, and capacitance retention of Mn 3 O 4 /Ni foam electrode. (a) CV curves of the Mn3O4/Ni foam electrode at different scanning rates. (b) Charging-discharging curves of the Mn3O4/Ni foam electrode at different current densities. (c) The corresponding specific capacitance as a function of current density. (d) Capacitance retention of the Mn3O4/Ni foam electrode as a function of cycle number. The insert shows the charging-discharging profiles of the first ten cycles recorded with a current density of 1 A · g-1.

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