fig10

Figure 10. (A) HR-TEM image of T-ZrN. (B) Structural model of the conversion of aqueous O₂ on T-ZrN. (C) LSV curves of T-ZrN with O₂, air, Ar, N₂, or CO₂ flowing. (D) H₂O₂ yield and Faradaic efficiency of T-ZrN under different current densities with O₂ or air flowing. (A-D) is reprinted with permission from Ref.^[197]. Copyright © 2025 American Chemical Society. (E) HR-TEM image of Ni₃ZnC_0.7/C. (F) Charge density difference of Ni₃ZnC_0.7/C (111) with *OOH adsorption, side view. (G) Activity volcano plot for the two-electron oxygen reduction reaction based on *OOH adsorption free energy. (H) H₂O₂ yield rate and Faradaic efficiency of Ni₃ZnC_0.7/C at the corresponding potentials. (E-H) is reprinted with permission from Ref.^[198]. Copyright © 2026 Elsevier B.V. (I) HR-TEM images of Ni₃N/MX. (J) Charge density distribution of Ni₃N/Ti₃CN. (K) Disparity in charge distribution between *OOH on NiOOH/Ni₃N and NiO/Ni₃N. (L) H₂O₂ yield and Faradaic efficiency of Ni₃N/MX under O₂ flowing at different potentials; the test time under each potential is 1 h. (I-L) is reprinted with permission from Ref.^[199]. Copyright © 2025 Elsevier B.V. (M) HRHAADF-STEM image of the FeN/Fe₃N interface. (N) Wavelet transforms for the k³-weighted EXAFS signals of FeN/Fe₃N. (O) Normalized Fe K-edge EXAFS spectra; inset: the local FeN structure showing tetrahedral coordination and the Fe₃N structure showing octahedral coordination. (P) Calculated Gibbs free-energy diagrams for carbon dioxide reduction reaction on FeN, Fe₃N, and FeN/Fe₃N surfaces. (M-P) is reprinted with permission from Ref.^[200]. Copyright © 2023 Springer Nature.