Figure 4 | Scientific Reports

Figure 4

From: Facile synthesis of three-dimensional structured carbon fiber-NiCo2O4-Ni(OH)2 high-performance electrode for pseudocapacitors

Figure 4

Electrochemical characterizations of the 3D hybrid nanostructured CF-NiCo2O4-Ni(OH)2 electrode.

(a) CV curves at various scanning rates from 2 to 10 mV S−1; (b) CV curves comparison of the CF-NiCo2O4 supporting materials and CF-NiCo2O4-Ni(OH)2 electrode at scaning rate of 4 mV s−1 (c) Discharge voltage profiles at various current densities from 5 to 40 mA cm−2; (d) The change in capacitance with increasing current density; (e) The capacitance cycling performance at a constant current density of 30 mA cm−2; (f) Areal energy density and areal power density of CF-NiCo2O4-Ni(OH)2 electrode evaluated at different current density.

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