fig14

Figure 14. (A) Comparison of NH₃ production rate and FE at different pyrolysis in 0.1 M KOH solution^[142]. Copyright 2023, Wiley; (B) Charge density difference between W@BP and N₂ with side-on configurations; (C) The reaction pathways on W-BP^[124]. Copyright 2023, RSC Publishing; (D) TEM image and HAADF-STEM image of Mn-O₃N₁/PC; (E) FT-EXAFS spectra of Mn foil, Mn-O₃N₁/PC, and the curve fitting with the Mn-O₃N₁/graphene; (F) Free energy diagram of an associative distal pathway on the Mn-O₃N₁/graphene and the Mn-N₄/graphene^[143]. Copyright 2023, ACS Publication; (G) The NH₃ yield rate and FE at different potentials in 0.1 M KOH and 0.1 M HCl^[144]. Copyright 2023, ACS Publication; (H) Calculated active site structures of an yttrium single atom and corresponding adsorption energies and FT-EXAFS fitting in R-space of Y₁/NC; (I) The NH₃ yield rate and FE of Y₁/NC; (J) The NRR catalytic activity of Y/Sc based nanomaterials and single atom catalysts^[146]. Copyright 2023, ACS Publication. FE: Faradic efficiency; TEM: transmission electron microscopy; HAADF-STEM: high-angle annular dark field scanning transmission electron microscopy; EXAFS: extended X-ray absorption fine structure; NRR: nitrogen reduction reaction.