Abstract

AbstractMixed metal oxides with perovskite ABO3 or spinel AB2O4 structure can provide uniformly and highly dispersed metal oxides, which can be adopted as catalyst supports, as catalysts directly or as catalysts after reduction. When they are used as catalyst supports, the spatial isolation of A‐site ions with B‐site ions not only makes these ions highly dispersed, but also enhances the intimate contact with the active components supported on them, leading to electron transfer or synergistic effect to promote the catalytic ability. After reduction, highly dispersed A/B nanoparticles supported on BOx/AOx can be achieved for the relevant applications. Herein, recent developments in the liquid–phase selective hydrogenation of α,β‐unsaturated aldehydes, with metal oxides derived from perovskite or spinel as supports or catalyst precursors, were summarized.

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