Figure 2 | Scientific Reports

Figure 2

From: Amorphous cellulose nanofiber supercapacitors

Figure 2

Non-destructive analysis of the electrostatic contribution of the specimen. (a) Nyquist plot as a function of frequency for the ACF device. (b) Real and imaginary impedances. (c) Frequency dependence of phase angle and series capacitance. (d) I–V and R–V characteristics between − 200 and + 200 V.

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