Thermoelectric conversion material and thermoelectric conversion module
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United States of America Patent
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Aug 23, 2022
Grant Date -
Oct 15, 2020
app pub date -
Apr 8, 2020
filing date -
Apr 10, 2019
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Abstract
The present invention improves the performance of a thermoelectric conversion material and a thermoelectric conversion module. A thermoelectric conversion material has a mother phase containing a chimney ladder type compound comprising a first element of groups 4 to 9 and a second element of groups 13 to 15 and an additive phase existing at a grain boundary of the mother phase, the mother phase contains a third element to change a lattice constant of the chimney ladder type compound, and the additive phase contains the second element.
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