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公开(公告)号：US10886450B2
公开(公告)日：2021-01-05
申请号：US15996706
申请日：2018-06-04
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Jin-Sang Kim , Chong-Min Koo , Seung-Hyub Baek , Seong-Keun Kim , Chong-Yun Kang , Soon-Man Hong , Seung-Sang Hwang , Ji-Won Choi , Seok-Jin Yoon , Kwang-Chon Kim , Kyung-Youl Baek , Sang-Ho Cho
IPC: H01L35/24 , H01L35/16 , C04B35/547 , C04B35/628 , H01L35/18 , C04B35/58 , C04B35/626 , C04B35/01 , C04B35/645 , H01L35/22 , C04B35/56
Abstract: Disclosed is a thermoelectric composite material includes a thermoelectric material including crystal grains; and a MXene inserted at boundaries of the crystal grains consisting of the thermoelectric material. Accordingly, the thermoelectric composite material may have a reduced thermal conductivity and an increased electrical conductivity. Furthermore, mechanical properties of the thermoelectric composite material may be improved. Thus, the thermoelectric composite material may improve the thermoelectric ability of a thermoelectric module including the same. A method of manufacturing the thermoelectric composite material includes coating MXene on a surface of a thermoelectric material powder including crystal grains; and sintering the thermoelectric material powder coated with the MXene to form a sintered body including the MXene inserted at boundaries of the crystal grains consisting of the thermoelectric material.
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公开(公告)号：US10529905B2
公开(公告)日：2020-01-07
申请号：US15609057
申请日：2017-05-31
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Jin-Sang Kim , Seung-Hyub Baek , Seong-Keun Kim , Dow-Bin Hyun , Beomjin Kwon , Ji-Won Choi , Chong-Yun Kang , Im-Jun Roh
Abstract: A method for manufacturing a thermoelectric material is provided. According to the method, a first shaped body is formed from a thermoelectric powder, of which a crystal has a layer structure. An extruded body is formed by extruding the first shaped body. A plurality of cut-off pieces are formed by cutting the extruded body along a cross-section perpendicular to an extrusion direction. A second shaped body is formed by stacking and pressing the cut-off pieces along a direction perpendicular to the extrusion direction. According to the above, a thermoelectric ability of a thermoelectric material and an efficiency for manufacturing a thermoelectric module may be improved.
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3.发明申请公开(公告)号：US20180138386A1
公开(公告)日：2018-05-17
申请号：US15609057
申请日：2017-05-31
Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Jin-Sang KIM , Seung-Hyub Baek , Seong-Keun Kim , Dow-Bin Hyun , Beomjin Kwon , Ji-Won Choi , Chong-Yun Kang , Im-Jun Roh
Abstract: A method for manufacturing a thermoelectric material is provided. According to the method, a first shaped body is formed from a thermoelectric powder, of which a crystal has a layer structure. An extruded body is formed by extruding the first shaped body. A plurality of cut-off pieces are formed by cutting the extruded body along a cross-section perpendicular to an extrusion direction. A second shaped body is formed by stacking and pressing the cut-off pieces along a direction perpendicular to the extrusion direction. According to the above, a thermoelectric ability of a thermoelectric material and an efficiency for manufacturing a thermoelectric module may be improved
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