Research / 2019 / Article / Fig 3

Research Article

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

Figure 3

Structures and morphologies of V2O5·nH2O/CNT before and after cycles. TEM images of V2O5·nH2O after 1st full (a), (b) discharge and (c), (d) charge in Zn-EC/EMC with STEM-EELS images in the inset of (a); TEM images of V2O5·nH2O after 1st full (e), (f) discharge and (g), (h) charge in Zn-H2O; SEM images of V2O5·nH2O/CNT electrodes after 100 cycles in (i) Zn-EC/EMC and (j) Zn-H2O; and (k) SEM elemental maps of the V2O5·nH2O/CNT electrode after 100 cycles in Zn-H2O.