fig12

Figure 12. (A) Schematic illustration of K⁺-assisted construction of intrinsically defective carbon material, (B) LSV curves, (C) FEs of CO at different applied potentials. Reproduced with permission^[192]. Copyright 2022, Wiley-VCH. (D) Cu-In-NC preparation schematic, (E) SEM image of Cu-In-ZIF-8, (F) TEM image of Cu-In-ZIF-8. Reproduced with permission^[193]. Copyright 2022, Wiley-VCH. (G) SEM image of Cu-foam electrode, (H and I) SEM images of Cu₂(L)-e/Cu. Reproduced with permission^[194]. Copyright 2020, Springer Nature.