Anisotropic electronic conductivity and battery performance in c-axis oriented lanthanum silicate oxyapatite prepared by slip casting in a strong magnetic field

Tohru S. Suzuki, Satoshi Takahashi, Tetsuo Uchikoshi, Takamasa Ishigaki, Kiyoshi Kobayashi

研究成果: Article査読

抄録

Lanthanum silicate oxyapatite (LSO) has superior features for application of solid electrolyte in solid oxide fuel cells. Because LSO has a higher oxygen-ion conductivity compared with yttria stabilized zirconia at temperatures below 600°C. Textured LSO bulk ceramics were fabricated by using a magnetic field-assisted colloidal processing technique. The c-axis of LSO was aligned parallel to the applied magnetic field. The anisotropic electric conductivity of the textured bulk ceramics was evaluated by the complex impedance method. It was demonstrated that the conductivity was very high along the c-axis. Battery performance was higher in the textured LSO compared with the random LSO.

本文言語English
ページ(範囲)121-126
ページ数6
ジャーナルFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
65
2
DOI
出版ステータスPublished - 2018 2
外部発表はい

ASJC Scopus subject areas

  • 機械工学
  • 産業および生産工学
  • 金属および合金
  • 材料化学

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