Porous Activated Carbons Derived from Pleurotus eryngii for Supercapacitor Applications

Figure 6

Electrochemical performance measured in a three-electrode system: (a) CV curves of APEs activated at 600°C, 700°C, and 800°C, respectively, at 50 mV·s⁻¹; (b) GCD curves of the APEs at 2 A·g⁻¹; (c) Nyquist plots of the APEs, an enlarged view in the high-frequency region is shown in the inset; (d) bode phase diagrams of the APEs; (e) CV curves of APE-700 at different scan rates from 5 to 100 mV·s⁻¹; (f) GCD curves of APE-700 at different current densities from 2 to 20 A·g⁻¹.

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