fig14

Figure 14. (A) FE_CO and j_CO for Ag₁₅Cu₆/C, and Ag₉Cu₆/C during ECO₂RR; (B) FE_CO, FE_H2, and j_CO of Ag₁₅Cu₆/C at various applied potentials in an MEA cell; (C) Long-duration operation of Ag₁₅Cu₆/C at -3.25 V in an MEA cell; (D) Free energy diagrams of ECO₂RR and HER on Ag₁₅Cu₆ at 0 V (vs. RHE) after the removal of a single alkynyl ligand; (E) DFT-based structures of intermediates of *CO₂, *COOH, and *CO. Color code: Ag, turquoise; Cu, dark red; P, pink; O, red; C, gray; H, white. This figure is reproduced with permission from Ref.^[45], Copyright © 2022 American Chemical Society. MEA: Membrane electrode assembly; HER: hydrogen evolution reaction; RHE: reversible hydrogen electrode; DFT: density functional theory.