fig7

Figure 7. (A) Schematic diagram of formate production from a tunable composition PdCu bimetallic alloy catalyst based on dendrite structure^[69]. (B) Potential dependence of formate FE on Pd₈₂Cu₁₈, Pd₆₀Cu₄₀, Pd₅₁Cu₄₉ and pure Pd^[69]. (C) Comparison of potential windows of these four electrocatalysts with FE_formate above 90% and 80%, respectively^[69]. Reprinted with permission. Copyright 2022, American Chemical Society^[69]. (D) Schematic diagram of formic acid production on nanoporous Pd alloy (np-PdX) formed by electrochemical dealloying of Pd₁₅X₈₅ alloy (X = Co, Ni, Cu and Ag)^[70]. (E) Binding energies (eV) for CO combined with clean surfaces (CO*-1), CO with H*-containing surfaces (CO*-2), CO with 2H*-containing surfaces (CO*-3), H with clean surfaces (H*-1), H with H*-containing surfaces (H*-2), H with CO* containing surfaces (H*-3)^[70]. (F) Side view of representative models of the Pd-skinned Pd₃X alloy used for calculations^[70]. Reprinted with permission. Copyright 2019, American Chemical Society^[70].