Component-Specific Functions of Cu, Zn, and Zr in Inverse ZnZrO x /Cu Catalysts for CO 2 Hydrogenation to Methanol

Cu-based ternary catalysts often outperform their binary counterparts in the hydrogenation of CO2 to methanol. Unraveling the underlying synergistic effects among multiple components remains challenging and requires comprehensive operando characterization. In this study, we present a detailed investigation into the synergistic Cu−Zn−Zr interactions in inverse ZnZrOx/Cu catalysts, which show strong promise for enhancing the synthesis of methanol from CO2. In situ X-ray diffraction revealed that ZrO2 clusters effectively stabilize Cu nanoparticles against sintering during the H2 reduction. Operando X-ray absorption spectroscopy at the Cu, Zn, and Zr K-edges demonstrated that the enhanced reducibility of Zn and…

• CS
  China Scholarship Council