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. 2015 Apr 21;5:9854. doi: 10.1038/srep09854

Figure 2. Performances of individual electrodes.

Figure 2

Capacitance – electrode potential plots of PAN-CNT, PPY-CNT, PEDOT-CNT, activated carbon (CMPB: Cabot Monarch Pigment Black 1300), MnO2-CNT and SnO2-CNT. Electrolyte: 0.5 mol L−1 KCl or 1 mol L−1 HCl as indicated. Reference electrode: Ag/AgCl in 3 mol L−1 KCl. The circular marks on some CVs indicate the stable open circuit potentials of the respective electrodes that were measured after immersion in the electrolyte for up to 4 hours.