Research Article

High Operating Voltage Supercapacitor Using PPy/AC Composite Electrode Based on Simple Dipping Method

Figure 4

Comparison with electrochemical properties of supercapacitors using PPy/AC composite electrode and activated carbon electrode. (a) Galvanostatic charge-discharge curves. (b) The Nyquist plots. (c) Cyclic stability test. (d) Ragone plot.
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