THERMOELECTRIC CONVERSION MATERIAL AND THERMOELECTRIC CONVERSION MODULE

To improve the performance of a thermoelectric conversion material and a thermoelectric conversion module.SOLUTION: A thermoelectric conversion material 101 includes a mother phase 102 containing a chimney ladder type compound composed of a first element of groups 4 to 9 and a second element of grou...

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Main Authors KUROSAKI YOSUKE, HAYAKAWA JUN, HAYASHI KEI, MIYAZAKI YUZURU, TAKAMATSU TOMOHISA, YABUUCHI MAKOTO
Format Patent
LanguageEnglish
Japanese
Published 22.10.2020
Subjects
ALLOYS
CHEMISTRY
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:To improve the performance of a thermoelectric conversion material and a thermoelectric conversion module.SOLUTION: A thermoelectric conversion material 101 includes a mother phase 102 containing a chimney ladder type compound composed of a first element of groups 4 to 9 and a second element of groups 13 to 15, and an additive phase 103 present at the grain boundaries of the mother phase 102, and the mother phase 102 contains a third element that changes the lattice constant of the chimney ladder type compound, and the additive phase 103 contains the second element.SELECTED DRAWING: Figure 3 【課題】熱電変換材料および熱電変換モジュールの性能を向上する。【解決手段】熱電変換材料１０１は、４〜９族の第１元素および１３〜１５族の第２元素により構成されるチムニーラダー型化合物を含む母相１０２と、母相１０２の粒界に存在する添加相１０３とを有し、母相１０２は、前記チムニーラダー型化合物の格子定数を変化させる第３元素を含み、添加相１０３は、前記第２元素を含む。【選択図】図３
Bibliography:Application Number: JP20190074706