Research / 2019 / Article / Fig 4

Research Article

Hybrid Aqueous/Organic Electrolytes Enable the High-Performance Zn-Ion Batteries

Figure 4

The solubility and electrochemical performance of V2O5·nH2O/CNT electrodes in different electrolytes. (a) Vanadium element content with the corresponding photograph of electrodes immersed in different electrolytes after 3 days in the inset. (b) EIS of the batteries in different electrolytes before cycles. (c) Cyclic performance and (d) rate capability of V2O5·nH2O/CNT electrodes in different electrolytes. (e) Long-term cyclic performance of the cell in Zn-H2O-EC/EMC(1-9) at a high current density of 4 A g-1.