Improvement of thermoelectric properties of p- and n-types oxide thick films fabricated by electrophoretic deposition

Masayuki Sakurai*, Shigeru Horii, Ryoji Funahashi, Tetsuo Uchikoshi, Tohru Suzuki, Yoshio Sakka, Hiraku Ogino, Jun ichi Shimoyama, Kohji Kishio

*この研究の対応する著者

研究成果: Conference article査読

抄録

We report thermoelectric (TE) properties of mono-layer thick films of p-type [Ca2CoO3-δ]0.62CoO2 (Ca349) and n-type compounds of Ca0.9La0.1MnO3 (Mn113) and LaNi0.98Mo0.02O3 (Ni113) for the improvement of TE performance in multi-layered TE modules. In the case of magnetically aligned Ca349 film, the improvement of TE properties due to the reduction of resistivity (ρ) was achieved by optimization of hot-pressing temperature and ρ was sensitive to relative density of the Ca349 layer. For the decrease in ρ of the n-type layers, two different approaches, the choice of Ni113 as a n-type compound and usage of fine powders of Mn113, were attempted. Both approaches were effective for reducing ρ even in the sintering at ̃900°C.

本文言語English
ページ(範囲)357-362
ページ数6
ジャーナルMaterials Research Society Symposium Proceedings
1044
出版ステータスPublished - 2008 10 9
外部発表はい
イベントThermoelectric Power Generation - Boston, MA, United States
継続期間: 2007 11 262007 11 29

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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