Fig. 4
From: Alkaline earth metal vanadates as sodium-ion battery anodes
Cyclic voltammetry and in situ XRD results of CVO-450. a CV curves of CVO-450 at scan rates from 0.5 to 50 mV s−1. b The relation between the square root of the scan rate (v 1/2) and the corresponding currents at 0.01 V. c In situ XRD results of CVO-450 during the initial discharge and charge process
