A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
THERMOELECTRIC CONVERSION MATERIAL AND MANUFACTURING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide a thermoelectric conversion material having a satisfactory thermoelectric properties index capable of maintaining low electric resistivity and Seebeck coefficient while preventing increase of the heat conductivity, and to provide a manufacturing method therefor.SOLUTION: The disclosed thermoelectric conversion material has a plurality of primary particles containing oxide as major component; the plurality of primary particles are fused with each other on a part of the surface to form secondary particles; at least a part the surface of the secondary particles is covered by a conductor; and a sintered body is formed of a plurality of the secondary particles are fused with each other on a part of the conductor on the surface.SELECTED DRAWING: Figure 5
【課題】ゼーベック係数の低下を抑制し、熱伝導率の増加を抑制しつつ、電気抵抗率を低くすることができ、優れた熱電性能指数を有する熱電変換物質およびその製造方法を提供すること。【解決手段】本発明の熱電変換物質は、酸化物を主成分とする複数の１次粒子を有し、前記複数の１次粒子の互いの表面の一部を融着して２次粒子を構成し、前記２次粒子の表面の少なくとも一部を導電体が覆い、複数の前記２次粒子の互いの表面の一部の導電体が融着して焼結体を構成している。【選択図】図５
THERMOELECTRIC CONVERSION MATERIAL AND MANUFACTURING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide a thermoelectric conversion material having a satisfactory thermoelectric properties index capable of maintaining low electric resistivity and Seebeck coefficient while preventing increase of the heat conductivity, and to provide a manufacturing method therefor.SOLUTION: The disclosed thermoelectric conversion material has a plurality of primary particles containing oxide as major component; the plurality of primary particles are fused with each other on a part of the surface to form secondary particles; at least a part the surface of the secondary particles is covered by a conductor; and a sintered body is formed of a plurality of the secondary particles are fused with each other on a part of the conductor on the surface.SELECTED DRAWING: Figure 5
【課題】ゼーベック係数の低下を抑制し、熱伝導率の増加を抑制しつつ、電気抵抗率を低くすることができ、優れた熱電性能指数を有する熱電変換物質およびその製造方法を提供すること。【解決手段】本発明の熱電変換物質は、酸化物を主成分とする複数の１次粒子を有し、前記複数の１次粒子の互いの表面の一部を融着して２次粒子を構成し、前記２次粒子の表面の少なくとも一部を導電体が覆い、複数の前記２次粒子の互いの表面の一部の導電体が融着して焼結体を構成している。【選択図】図５
THERMOELECTRIC CONVERSION MATERIAL AND MANUFACTURING METHOD THEREFOR
熱電変換物質およびその製造方法
KUSADA HIDEO (author) / NAKAMURA TATSUYA (author) / HOGIRI MASAYUKI (author)
2017-03-02
Patent
Electronic Resource
Japanese
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