Journal of Materials Science

, Volume 51, Issue 11, pp 5377–5387 | Cite as

Modification of PdO/CeO2–ZrO2 catalyst by MnO x for water–gas shift reaction: redox property and valence state of Pd

  • Yi Xiao
  • Xiaodong Wu
  • Shuang Liu
  • Jie Wan
  • Min Li
  • Duan Weng
  • Changqing Tong
Original Paper


A PdO/MnO x /CeO2–ZrO2 catalyst was prepared by a two-step impregnation method. PdO/CeO2–ZrO2, PdO/Al2O3, PdO/MnO x /Al2O3, CeO2–ZrO2, and MnO x /CeO2–ZrO2 catalysts were also prepared for reference. The textural and surface properties of the catalysts were characterized by X-ray diffraction, Brunauer–Emmett–Teller, Raman spectroscopy, X-ray photoelectron spectroscopy, ultraviolet visible spectroscopy, and CO chemisorption. The redox properties and catalytic activity of the catalysts were evaluated by H2 temperature-programmed reduction (H2-TPR) and water–gas shift (WGS) reaction measurements, respectively. The addition of manganese oxide enhances the WGS activity of PdO/CeO2–ZrO2 catalyst significantly. It is ascribed to the improved redox property of the catalyst arising mainly from the Mn–Ce interaction at the interface and the formation of metallic Pd species that resulted from interacting with manganese oxide.


CeO2 Manganese Oxide Oxygen Storage Capacity ZrO2 Catalyst Improve Redox Property 



The authors would like to acknowledge the Ministry of Education of China for the financial support 113007A, and Science and Technology Innovation Platform Funds of Fujian Province for the financial support 2013H2012. Moreover, we would also thank the Key Laboratory of Advanced Materials of Ministry of Education for performing XPS measurement.

Supplementary material

10853_2016_9840_MOESM1_ESM.doc (253 kb)
Supplementary material 1 (DOC 253 kb)


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Yi Xiao
    • 1
  • Xiaodong Wu
    • 1
  • Shuang Liu
    • 2
  • Jie Wan
    • 1
  • Min Li
    • 3
  • Duan Weng
    • 1
  • Changqing Tong
    • 4
  1. 1.Key Laboratory of Advanced Materials of Ministry of Education, School of Materials Science and EngineeringTsinghua UniversityBeijingChina
  2. 2.Institute of Materials Science and EngineeringOcean University of ChinaQingdaoChina
  3. 3.Haier Group, Open Innovation CenterQingdaoChina
  4. 4.Redbud Innovation InstituteLongyanChina

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