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Fig. 8 | BMC Materials

Fig. 8

From: Supercapacitors with alternating current line-filtering performance

Fig. 8

Reproduced with permission from Ref [73]. Copyright 2016. The Royal Society of Chemistry

a The flowchart of the preparation of graphitized CMK-3; b transmission electron microscopy (TEM) image of CMK-3; c dependent frequency and phase angle of the CMK-3 supercapacitor; d plot of the impedance phase angle versus the frequency; e areal capacitance with respect to current density; and f comparison of a CMK-3/CNT supercapacitor with a commercial AEC based on volumetric capacitance at different voltages.

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