Oxide composite of Ce (Mn,Fe) O2 and la (Sr) Fe (Mn) O 3 for anode of intermediate temperature solid oxide fuel cells using LaGa O3 electrolyte

Tae Ho Shin, Parichatr Vanalabhpatana, Tatsumi Ishihara

    研究成果: ジャーナルへの寄稿学術誌査読

    24 被引用数 (Scopus)

    抄録

    Anodic performance and power generating properties of the cell using various oxide composites consisting of Mn, Fe co-doped Ce O2 and perovskite oxide were investigated by using La0.8 Sr0.2 Ga0.8 Mg0.15 Co0.05 O3 electrolyte. It was found that the theoretical open circuit voltage and reasonably high power density were achieved on the cell using oxide composites consisting of Ce (Mn,Fe) O2 -La (Sr) Fe (Mn) O3 for anode. The maximum power density was achieved for values of ∼1.0, 0.3, and 0.05 W/ cm 2 at 1273, 1073, and 873 K, respectively. Oxidation tolerance was also studied and it was found that the power density was slightly improved after exposure to reoxidation treatment. This study demonstrated that the cell using Ce O2 and LaFe O3 based oxide composite for anode is highly tolerant against reoxidation treatment. An increase in in the power density by reoxidation treatment was observed and this could be attributed to the improved contact of Ce (Mn,Fe) O2 -La (Sr) Fe (Mn) O3 composite powder.

    本文言語英語
    ページ(範囲)B1896-B1901
    ジャーナルJournal of the Electrochemical Society
    157
    12
    DOI
    出版ステータス出版済み - 2010

    !!!All Science Journal Classification (ASJC) codes

    • 電子材料、光学材料、および磁性材料
    • 再生可能エネルギー、持続可能性、環境
    • 表面、皮膜および薄膜
    • 電気化学
    • 材料化学

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