29pm3-PN-51 Thermoelectric Properties of Organic-Inorganic Hybrid Thermoelectric Materials

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  • KOSAKA Kosuke
    Department of Mechanical and Control Engineering, Kyushu Institute of Technology
  • TORIGOE Ryota
    Department of Mechanical and Control Engineering, Kyushu Institute of Technology
  • YABUKI Tomohide
    Department of Mechanical and Control Engineering, Kyushu Institute of Technology
  • MIYAZAKI Koji
    Department of Mechanical and Control Engineering, Kyushu Institute of Technology

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Other Title
  • 29pm3-PN-51 有機無機ハイブリット材料を用いた熱電素子の作製と熱電特性評価

Abstract

We prepared the composite of thermoelectric materials obtained by mixing Bi_<0.4>Te_<3.0>Sb_<1.6> and ionic liquids. Micro particles of Bi_<0.4>Te_<3.0>Sb_<1.6> were prepared by a ball milling. The average diameter of the particles was less than 5 μm. The composite materials were sintered by a hot press at 200 〜 300 ℃ to fabricate the thermoelectric bulk material. Thermal conductivity was reduced to 20 % of the bulk value of bismuth telluride by mixing ionic liquid, although ZT was only 0.18 due to its low electrical conductivity.

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