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Construction of stabilized bulk-nano interfaces for highly promoted inverse CeO2/Cu catalyst

Author

Listed:
  • Han Yan

    (Shandong University)

  • Chun Yang

    (Shandong University)

  • Wei-Peng Shao

    (Shandong University)

  • Li-Hua Cai

    (Shandong University)

  • Wei-Wei Wang

    (Shandong University)

  • Zhao Jin

    (Shandong University)

  • Chun-Jiang Jia

    (Shandong University)

Abstract

As the water-gas shift (WGS) reaction serves as a crucial industrial process, strategies for developing robust WGS catalysts are highly desiderated. Here we report the construction of stabilized bulk-nano interfaces to fabricate highly efficient copper-ceria catalyst for the WGS reaction. With an in-situ structural transformation, small CeO2 nanoparticles (2–3 nm) are stabilized on bulk Cu to form abundant CeO2-Cu interfaces, which maintain well-dispersed under reaction conditions. This inverse CeO2/Cu catalyst shows excellent WGS performances, of which the activity is 5 times higher than other reported Cu catalysts. Long-term stability is also very solid under harsh conditions. Mechanistic study illustrates that for the inverse CeO2/Cu catalyst, superb capability of H2O dissociation and CO oxidation facilitates WGS process via the combination of associative and redox mechanisms. This work paves a way to fabricate robust catalysts by combining the advantages of bulk and nano-sized catalysts. Catalysts with such inverse configurations show great potential in practical WGS applications.

Suggested Citation

  • Han Yan & Chun Yang & Wei-Peng Shao & Li-Hua Cai & Wei-Wei Wang & Zhao Jin & Chun-Jiang Jia, 2019. "Construction of stabilized bulk-nano interfaces for highly promoted inverse CeO2/Cu catalyst," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-11407-2
    DOI: 10.1038/s41467-019-11407-2
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    Cited by:

    1. Xin Tang & Chuqiao Song & Haibo Li & Wenyu Liu & Xinyu Hu & Qiaoli Chen & Hanfeng Lu & Siyu Yao & Xiao-nian Li & Lili Lin, 2024. "Thermally stable Ni foam-supported inverse CeAlOx/Ni ensemble as an active structured catalyst for CO2 hydrogenation to methane," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    2. Kai Xu & Chao Ma & Han Yan & Hao Gu & Wei-Wei Wang & Shan-Qing Li & Qing-Lu Meng & Wei-Peng Shao & Guo-Heng Ding & Feng Ryan Wang & Chun-Jiang Jia, 2022. "Catalytically efficient Ni-NiOx-Y2O3 interface for medium temperature water-gas shift reaction," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    3. Hao-Xin Liu & Shan-Qing Li & Wei-Wei Wang & Wen-Zhu Yu & Wu-Jun Zhang & Chao Ma & Chun-Jiang Jia, 2022. "Partially sintered copper‒ceria as excellent catalyst for the high-temperature reverse water gas shift reaction," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    4. Xin-Pu Fu & Cui-Ping Wu & Wei-Wei Wang & Zhao Jin & Jin-Cheng Liu & Chao Ma & Chun-Jiang Jia, 2023. "Boosting reactivity of water-gas shift reaction by synergistic function over CeO2-x/CoO1-x/Co dual interfacial structures," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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