Catalysis Letters

, Volume 146, Issue 8, pp 1423–1428 | Cite as

Low Temperature Catalytic Water Gas Shift in an Electric Field

  • Yasushi Sekine
  • Kodai Yamagishi
  • Yukako Nogami
  • Ryo Manabe
  • Kazumasa Oshima
  • Shuhei Ogo


Catalytic water gas shift for hydrogen production in the temperature range of 423–873 K, was examined imposing an electric field to the catalyst bed. Reaction trends were investigated based on thermodynamic equilibrium and chemical kinetic law. Pt/La–ZrO2 was chosen as an active catalyst through our screening tests, and the effect of the electric field on the catalytic activity was investigated by changing reaction temperatures and applied electric currents. Although the reaction was ruled by thermodynamic equilibrium at high temperatures, drastic promotion of the reaction by applying the electric field was observed at low temperatures in a kinetic region. Drastic decrease of apparent activation energy for WGS was observed by imposing the electric field to the catalyst bed. Various isotopic transient tests revealed that the reaction mechanism changed by the application of electric field, and redox mechanism using surface lattice oxygen played an important role in case of the catalytic WGS in the electric field.

Graphical Abstract


Water gas shift Catalytic reaction Electric field 

Supplementary material

10562_2016_1765_MOESM1_ESM.docx (1.3 mb)
Supplementary material 1 (DOCX 1345 kb)


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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  • Yasushi Sekine
    • 1
  • Kodai Yamagishi
    • 1
  • Yukako Nogami
    • 1
  • Ryo Manabe
    • 1
  • Kazumasa Oshima
    • 1
  • Shuhei Ogo
    • 1
  1. 1.Department of Applied ChemistryWaseda UniversityTokyoJapan

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