fig5
Figure 5. (A) Schematic of the synthesis, (B) SEM and TEM images, (C) rate performance, and (D) cycling performance of multi-shell hollow carbon nanospheres (MS-HCNs)[75]. (E) rate performance, (F) schematic of the synthesis, and (G) TEM images of two-to-five-shell cobalt sulfide hollow nanoboxes[76].
