fig9

Figure 9. (A) SEM, (B) TEM, and (C) HR-TEM images and (D) cycling performance of multi-shell Sn nanorods (TMV-Ni-Sn-C)^[86]. (E) SEM, (F) TEM, (G) HR-TEM images and (H) cycling performance of multi-shell BTO@SnO2@P-C, (I) schematic illustration of the sodiation mechanism of BTO@SnO2@P-C^[87]. (J) SEM and (K and L) TEM images and (M) cycling performance of multi-core-shell Bi@N-doped carbon nanospheres^[88].