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

Figure 5

Positive (a) and negative (b) electrode specific capacities against the specific current and (c) an EIS Nyquist plot 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 (inset figure showing the low-frequency region).

(a)

(b)

(c)