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. 2018 Apr 23;18:1448–1456. doi: 10.1016/j.dib.2018.04.057

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© 2018 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Fig. 4 — Electrochemical performance of AC-KOH and YP50 based supercapacitors in 6 M KOH electrolyte system. (a) CV curves of AC-KOH based supercapacitor measured at the scan rates of 5, 10 and 20 mV s^-1 in the potential range of 0−1.0 V. (b) Galvanostatic charge/discharge curves for AC-KOH based supercapacitor tested at current densities from 0.1 to 2 A g^-1. (c) Rate performances and (d) Nyquist plots of AC-KOH and YP50 based supercapacitors. The inset in (d) is the enlarged one of the rectangular region.