fig22

Figure 22. (A) Schematic diagram showing the process for the formation of a-NiSb₂O_6-x nanofiber. (B) NH₃ yield and FE of a-NiSb₂O_6-x nanofiber at each potential. (C) Chronoamperometry curve of a-NiSb₂O_6-x nanofiber at 0.3 V_RHE for 12 h. (D) Binding energies of different adsorption configurations of N₂ on a-NiSb₂O_6-x, pc-NiSb₂O_6-x, and c-NiSb₂O_6-x, respectively. (Reproduced with permission^[191]. Copyright 2022, Elsevier). (E) SEM image of PdCoCu NSs. (F) Histograms of average NH₃ yields and corresponding FE of PdCoCu NSs at different potentials. (G) Proposed reaction mechanism for the reduction of N₂ to NH₃. (Reproduced with permission^[190]. Copyright 2023, Wiley-VCH).