Oxide Component in the Nickel Base Cermet Anode: Its Effect on the Performance of SOFCs

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  • KISHIMOTO Haruo
    National Institute of Advanced Industrial Science and Technology (AIST)
  • SHIMONOSONO Taro
    National Institute of Advanced Industrial Science and Technology (AIST)
  • YAMAJI Katsuhiko
    National Institute of Advanced Industrial Science and Technology (AIST)
  • BRITO Manuel E.
    National Institute of Advanced Industrial Science and Technology (AIST)
  • HORITA Teruhisa
    National Institute of Advanced Industrial Science and Technology (AIST)
  • YOKOKAWA Harumi
    National Institute of Advanced Industrial Science and Technology (AIST)

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抄録

Anode performances in electrode reactions and in hydrogen producing reactions of propane fuel were investigated for four cermet anodes of Ni-YSZ, Ni-ScSZ, Ni-SDC, and Ni-CeO2 under open circuit voltage (OCV) condition. Electrode reaction process was essentially the same for the Ni-YSZ and the Ni-ScSZ anodes and for the Ni-SDC and the Ni-CeO2 anodes, respectively, but there was a clear difference between Ni-zirconia cermet anodes and Ni-ceria cermet anodes. From the X-ray photoemission spectroscopy (XPS) results, conditions of adsorbed oxygen on the nickel surface were different between the Ni/YSZ system and the Ni/GDC system, although the surface conditions of nickel metal were not influenced by the oxide component.

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  • Electrochemistry

    Electrochemistry 81 (4), 255-258, 2013

    公益社団法人　電気化学会

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