Figure 7: FESEM
(a), TEM (b-d) and HRTEM (e, f) images of the hollow hetero-Ni-Co-S NBs electrode after the 100th CV cycle.
Figure 7: FESEM | Scientific Reports
(a), TEM (b-d) and HRTEM (e, f) images of the hollow hetero-Ni-Co-S NBs electrode after the 100th CV cycle.
