fig8

Figure 8. (A) Diagrammatic representation of the fabrication procedure of MCHCNF and MCHCNF-x (h); (B) Electron microscopy characterization and (C) TEM images of MCHCNF; (D) The results of DFT of Zn²⁺/ CF₃SO^3- adsorption. Reproduced with^[107]. Copyright 2023, Wiley. TEM: Transmission electron microscopy; DFT: density functional theory; MCHCNF: multi-channel hollow carbon nanofiber.