THERMOELECTRIC MATERIAL AND THERMOELECTRIC MODULE

WIPO Patent Application WO/2018/117045

A1

[Problem] To provide a thermoelectric material with an improved performance index and a thermoelectric module which do not require a nanoparticle material manufacturing process, in which an improvement in electric conductivity or Seebeck coefficient is achieved by means of a quantum confinement effect, and of which practical application can be expected. [Solution] A structure comprising a first crystal phase 11 and a second crystal phase 12 having a thermoelectric effect. The first crystal phase 11 forms a eutectic structure with the second crystal phase 12. In two opposing faces of the structure, each of the first crystal phase 11 and the second crystal phase 12 is present in a continuous or dispersed manner. The first crystal phase 11 is positioned around the second crystal phase 12. Alternatively, the second crystal phase 12 is positioned around the first crystal phase 11. The first crystal phase 11 causes a decrease in the thermal conductivity of the second crystal phase 12. Alternatively, the electric conductivity or the Seebeck coefficient of the second crystal phase 12 is increased.

YOKOTA YUUI (JP)
YOSHIKAWA AKIRA (JP)
HORII SHIGERU (JP)

PCT/JP2017/045378

June 28, 2018

December 18, 2017

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UNIV TOHOKU (JP)

H01L35/22; C04B35/453; C04B35/47; H01L35/26; H01L35/34

WO2017037884A1

2017-03-09

US20070240750A1	2007-10-18
JP2011210870A	2011-10-20
JP2016072621A	2016-05-09
JP2015135939A	2015-07-27
JP2012521648A	2012-09-13
JP2004193526A	2004-07-08
US20140373888A1	2014-12-25

SUDA Atsushi et al. (JP)

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