Fig. 3
From: High performance bilayer 2D V2O5 cathode for Zn-ion and Zn/Li hybrid metal-ion intercalation battery
(a) The CV diagram of Zn-ion battery with 2D V2O5 nanosheet as cathode. (b) Variation of specific capacity and Coulombic efficiency with charge/discharge cycles number. The cyclic performance is studies for 1000 cycles with a current density of 4 A/g.
