fig9
Figure 9. (A-C) Structural models of K∙H2O, asymmetric HB-H2O, and 4HB-H2O on a Cu2O (100) electrode; (D) Structures of the reaction intermediates of K∙H2O on a Cu2O (100) electrode; (E) Free energy diagrams for the transformation of *CO to O*C*CHO for 4HB-H2O, asymmetric HB-H2O, and K∙H2O on a Cu2O (100) electrode.
