Figure 3
From: The effect of ILs as co-salts in electrolytes for high voltage supercapacitors

Linear-sweep voltammetry according to wt% of (a) EMIBF4 and (b) EMITFIS. Cyclic voltammetry of (c) EMIBF4 and (d) EMITFSI as co-salts at 3.7 V. Both sets of experiments were performed at a scan rate of 2 mV s−1.