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PROCESS FOR PRODUCING THERMOELECTRIC CONVERSION MATERIAL, THERMOELECTRIC CONVERSION MATERIAL, AND PRODUCTION APPARTUS FOR USE IN THE PRODUCTION PROCESS

外国特許コード F120006858
整理番号 S2010-0961-C0
掲載日 2012年9月19日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2011JP065096
国際公開番号 WO 2012/002509
国際出願日 平成23年6月30日(2011.6.30)
国際公開日 平成24年1月5日(2012.1.5)
優先権データ
  • 特願2010-152228 (2010.7.2) JP
発明の名称 (英語) PROCESS FOR PRODUCING THERMOELECTRIC CONVERSION MATERIAL, THERMOELECTRIC CONVERSION MATERIAL, AND PRODUCTION APPARTUS FOR USE IN THE PRODUCTION PROCESS
発明の概要(英語)

Provided is a process for producing a thermoelectric conversion material which is configured of a metal (A) comprising an alkali metal or alkaline earth metal, a transition metal (M), and oxygen (O) and which is represented by the general formula AxMyOz wherein x, y, and z are integers governed by the valences of the respective elements, the process comprising using a massive metal oxide (10) which is a solid starting material for the thermoelectric conversion material and a salt (11) in a solid, liquid, or gaseous state to react the massive metal oxide (10) with the salt (11) through diffusion reaction, thereby yielding the thermoelectric conversion material which is configured of oriented crystals. Also provided is a production apparatus (13) for use in the production process, the apparatus including a reaction vessel (14) into which the massive metal oxide (10) and the salt (11) are introduced and a heating means which heats the massive metal oxide (10) and the salt (11) within the reaction vessel (14) to cause the diffusion reaction to proceed. With the process, it is possible to produce a polycrystalline thermoelectric conversion material at a lower cost and more easily than single-crystal thermoelectric conversion materials and to approximate the performance of the polycrystalline material to that of the single-crystal materials.

  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • KYUSHU INSTITUTE OF TECHNOLOGY,
  • SHIMOZAKI TOSHITADA,
  • NISHIWAKI AKIFUMI
  • 発明者(英語)
  • SHIMOZAKI TOSHITADA,
  • NISHIWAKI AKIFUMI
国際特許分類(IPC)
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