Figure 6
From: Hollow carbon nanospheres/silicon/alumina core-shell film as an anode for lithium-ion batteries
SEM and TEM characterization of the electrodes after cycling.
SEM images of (a) CNS/Si and (b) CNS/Si/Al2O3 after 100 cycles test without the removal of SEI. (c) SEM and (d) TEM images of CNS/Si/Al2O3 after 100 cycles test and removing SEI with HCl.
