905157.fig.0012
Figure 12: SEM images (a, b) and structural schematic (c) of branched α-Fe2O3/SnO2 nanostructures, (d) cycling performance of α-Fe2O3/NRs arrays, pristine SnO2 NWs, and α-Fe2O3/SnO2 nanostructures at a rate of 1 A g−1 [104].