Formation of a ZnO Overlayer in Industrial Cu/ZnO/Al2O3 Catalysts Induced by Strong Metal-Support Interactions

Lunkenbein Thomas; Schumann Julia; Behrens Malte; Schloegl Robert; Willinger Marc G.

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Formation of a ZnO Overlayer in Industrial Cu/ZnO/Al2O3 Catalysts Induced by Strong Metal-Support Interactions

机译：强金属-载体相互作用诱导的工业Cu / ZnO / Al2O3催化剂中ZnO覆盖层的形成

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In industrially relevant Cu/ZnO/Al2O3 catalysts for methanol synthesis, the strong metal support interaction between Cu and ZnO is known to play a key role. Here we report a detailed chemical transmission electron microscopy study on the nanostructural consequences of the strong metal support interaction in an activated high-performance catalyst. For the first time, clear evidence for the formation of metastable graphite-like ZnO layers during reductive activation is provided. The description of this metastable layer might contribute to the understanding of synergistic effects between the components of the Cu/ZnO/Al2O3 catalysts.

机译：在用于甲醇合成的工业相关的Cu / ZnO / Al2O3催化剂中，众所周知，Cu和ZnO之间的强金属载体相互作用起关键作用。在这里，我们报告了在活化的高性能催化剂中强金属载体相互作用的纳米结构后果的详细化学透射电子显微镜研究。首次提供了在还原活化过程中形成亚稳态石墨状ZnO层的明确证据。该亚稳层的描述可能有助于理解Cu / ZnO / Al2O3催化剂组分之间的协同效应。

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《Angewandte Chemie》 |2015年第15期|共5页
作者
Lunkenbein Thomas; Schumann Julia; Behrens Malte; Schloegl Robert; Willinger Marc G.;
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正文语种 eng
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electron microscopy; energy conversion; heterogeneous catalysis; methanol synthesis;

机译：电子显微镜;能量转换;非均相催化;甲醇合成;

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1. Formation of a ZnO Overlayer in Industrial Cu/ZnO/Al2O3 Catalysts Induced by Strong Metal-Support Interactions [J] . Lunkenbein Thomas, Schumann Julia, Behrens Malte, Angewandte Chemie . 2015,第15期

机译：强金属-载体相互作用诱导的工业Cu / ZnO / Al2O3催化剂中ZnO覆盖层的形成
2. Formation of ZnO Patches on ZnPd/ZnO during Methanol Steam Reforming: A Strong Metal-Support Interaction Effect? [J] . Heggen Marc, Penner Simon, Friedrich Matthias, The journal of physical chemistry, C. Nanomaterials and interfaces . 2016,第19期

机译：甲醇蒸汽重整过程中在ZnPd / ZnO上形成ZnO斑：强烈的金属-载体相互作用效应吗？
3. The dynamics of overlayer formation on catalyst nanoparticles and strong metal-support interaction [J] . A. Beck, X. Huang, L. Artiglia, Chimia . 2021,第4期

机译：催化剂纳米粒子叠层形成的动态及强金属载体相互作用
4. Hydrogen Production Using Ethanol-Steam-Reforming Reactor with Cu/ZnO/Al2O3 and Ru/Al2O3 Catalysts [C] . rn, rn Challenges of Power Engineering and Environment . 2007

机译：使用乙醇/蒸汽重整反应器和Cu / ZnO / Al2O3和Ru / Al2O3催化剂制氢
5. A comprehensive kinetic model of methanol-steam reforming on Cu/ZnO/Al(2)O(3) catalyst. [D] . Peppley, Brant Anthony. 1997

机译：Cu / ZnO / Al（2）O（3）催化剂上甲醇-蒸汽重整的综合动力学模型。
6. The dynamics of overlayer formation on catalyst nanoparticles and strong metal-support interaction [O] . Arik Beck, Xing Huang, Luca Artiglia, -1

机译：催化剂纳米颗粒上覆盖层形成的动力学和强金属-载体相互作用
7. Promoting Strong Metal Support Interaction: Doping ZnO for Enhanced Activity of Cu/ZnO:M (M = Al, Ga, Mg) Catalysts [O] . Schumann, J., Eichelbaum, M., Lunkenbein, T., 2015

机译：促进强金属载体相互作用：掺杂ZnO增强Cu / ZnO活性：m（m = al，Ga，mg）催化剂

Formation of a ZnO Overlayer in Industrial Cu/ZnO/Al2O3 Catalysts Induced by Strong Metal-Support Interactions

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