Effect of Ceria Components on Anode Performance of Ni-base Anode in Hydrocarbon Fueled SOFC

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著者

    • HORITA Teruhisa
    • Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
    • SAKAI Natsuko
    • Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
    • BRITO Manuel E.
    • Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
    • YOKOKAWA Harumi
    • Energy Technology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)

抄録

Anode performance of nickel (Ni) - scandia stabilized zirconia (ScSZ) cermet, Ni- samaria doped ceria (SDC) cermet and 1 vol% of SDC finely dispersed Ni-ScSZ cermet (SD-Ni-ScSZ) was examined at 1073 K with hydrocarbon fueled solid oxide fuel cells (SOFCs) consisting of a ScSZ electrolyte and a Ni mesh current collector. At least two anode reaction processes were observed in the impedance spectra for all tested anodes. The one corresponding to the high frequency region was enhanced in the order of the Ni-ScSZ, SD-Ni-ScSZ and Ni-SDC, whereas that observed in the low frequency region seemed to be retarded in the same order. The effect can be ascribed to changing Ni surface state by SDC component in the anode. The SD-Ni-ScSZ anode shows the best performance; that shows the smallest overall anodic resistance and the highest hydrogen content in the outlet gas under the same fuel utilization operation among the tested anodes.

収録刊行物

  • 電気学会論文誌. A, 基礎・材料・共通部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A, A publication of Fundamentals and Materials Society  

    電気学会論文誌. A, 基礎・材料・共通部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A, A publication of Fundamentals and Materials Society 128(5), 333-338, 2008-05-01 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10021129801
  • NII書誌ID(NCID)
    AN10136312
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    03854205
  • NDL 記事登録ID
    9496534
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-793
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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