Various CeCoO_x mixed‐oxide catalysts with different Ce/Co ratios were prepared by surfactant‐assisted template precipitation of CeO₂ and Ce₃O₄. The obtained catalysts were characterized by X‐ray diffraction, X‐ray photoelectron spectra, hydrogen temperature‐programmed reduction, nitrogen physisorption, and transmission electron microscopy. In general, the mixed‐oxide CeCoO_x catalysts showed well‐dispersed CeO₂ and Co₃O₄ and good catalytic characteristics including a high specific surface area and porous structure. The effectiveness of the prepared catalysts on the hydrogen (H₂) production from steam reforming of fusel oil was studied in a packed‐bed reactor. Co played an important role in C–C scission to break down the large C_2–5 molecules into smaller species resulting in H₂ formation. Ce could provide supplementary active oxygen to prevent coke formation on Co, resulting in a more stable activity of the mixed‐oxide catalyst throughout the reaction course.

中文翻译：

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CeCoOx混合氧化物催化剂对燃料油进行蒸汽重整制氢

通过表面活性剂辅助CeO ₂和Ce ₃ O _4的模板沉淀，制备了各种具有不同Ce / Co比的CeCoO _x混合氧化物催化剂。通过X射线衍射，X射线光电子能谱，氢程序升温还原，氮物理吸附和透射电子显微镜对所得催化剂进行了表征。通常，混合氧化物CeCoO _x催化剂显示出良好分散的CeO ₂和Co ₃ O ₄以及良好的催化特性，包括高比表面积和多孔结构。制备的催化剂对氢（H _2）的有效性）在填充床反应器中研究了杂醇油的蒸汽重整生产。Co在C–C分裂过程中起着重要的作用，它将大的C _2–5分子分解为较小的物种，从而形成H ₂。Ce可以提供补充的活性氧，以防止在Co上形成焦炭，从而使混合氧化物催化剂在整个反应过程中具有更稳定的活性。