Electrical Double-Layer Capacitor Based on Low Aqueous Electrolyte Contents in EmimTFO Ionic Liquid

Figure 4

(a, b) CV patterns at 20 mV s^-1 in both positive and negative potentials, (c, d) GCD patterns at 0.5 A g^-1 in both positive and negative potentials, comparing the use of EmimTFO mixtures diluted with 2.5 M KNO₃ by molar fractions of 0.6, 0.7, 0.8, and 0.9.

(a)

(b)

(c)

(d)