fig4
Figure 4. (A) CV curves; (B) GCD curves; (C) Rate performance; (D) Capacity comparison with reported vanadium-based AZIB cathodes; (E) Cycling stability at 5 A g-1; (F) Nyquist plots (EIS). CV: Cyclic voltammetry; GCD: galvanostatic charge-discharge; EIS: electrochemical impedance spectroscopy; AZIB: aqueous zinc-ion battery; PPy-NaVO: polypyrrole-pillared Na2V6O16.
