fig7
Figure 7. (A) Schematic diagram illustration of the synthesis procedure of the CoSe2/Co3O4@NC-CNT heterostructure[102]. Copyright John Wiley and Sons 2022. (B) Schematic illustration of the fabrication process for CC@Co0.85Se/NC, and (C-E) SEM images of CC@Co0.85Se/NC[107]. Copyright American Chemical Society 2021.
