CHALCOGEN-CONTAINING COMPOUND, ITS PREPARATION METHOD AND THERMOELECTRIC ELEMENT COMPRISING THE SAME

A chalcogen-containing compound of the following Chemical Formula 1 which exhibits excellent phase stability even at a low temperature, particularly at a temperature corresponding to an operating temperature of a thermoelectric element, and also exhibits a significantly superior power factor and the...

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Main Authors KO, Kyung Moon, MIN, Yu Ho, PARK, Chee Sung, PARK, Cheol Hee, KIM, Min Kyoung, JUNG, Myung Jin
Format Patent
LanguageEnglish
Published 31.10.2019
Subjects
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
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Summary:A chalcogen-containing compound of the following Chemical Formula 1 which exhibits excellent phase stability even at a low temperature, particularly at a temperature corresponding to an operating temperature of a thermoelectric element, and also exhibits a significantly superior power factor and thermoelectric performance index due to its excellent electrical conductivity and low thermal conductivity caused by its unique crystal lattice structure, a method for preparing the same, and a thermoelectric element including the same. [Chemical Formula 1]-V1-2xSn4Bi2-xAg3xSe7, wherein V is vacancy and 0<x<0.5.
Bibliography:Application Number: US201816462179