fig14
Figure 14. (A) EXAFS fitting and structural model of NiSA-N2-C; (B and C) FECO (B) and corresponding TOFs of CO (C) of NiSA-NX-C; (A-C) are quoted with permission from Gong et al.[267]; (D) EXAFS fitting and structural model of Ni1-N-C (Cl); (E and F) FECO (E) and JCO (F) over Ni1-N-C(X); D-F are quoted with permission from Peng et al.[268]; (G) Schematic diagram of free energy change (top) and structural change (bottom) of Fe-MOFs-74 in CO2RR, quoted with permission from McCarver et al.[269]. TOF: Turnover frequency; RHE: reversible hydrogen electrode; FECO: Faradaic efficiency for CO; EXAFS: extended X-ray absorption fine structure; MOFs: metal-organic frameworks.