Fig. 6: CV curves of NVO electrode and temperature adaptability of Zn||NVO cells in AE and HE.
From: Solvent control of water O−H bonds for highly reversible zinc ion batteries

a 3-electrode CV curves for NVO electrode tested in HE. b The specific capacity of NVO electrode tested at temperatures ranging from −40 °C to 70 °C. c Cyclic performance for Zn||NVO cells at 70 °C with AE and HE as electrolyte. d Cyclic performance at −40 °C in the presence of HE (HE is liquid at −40 °C).