公开(公告)号：US11527692B2

公开(公告)日：2022-12-13

申请号：US16308748

申请日：2017-05-25

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Michihiro Ohta ,  Yuta Kikuchi ,  Yohan Bouyrie ,  Koichiro Suekuni ,  Toshiro Takabatake

IPC: H01L35/16 ,  C01G33/00 ,  C01G35/00 ,  H01L35/32

Abstract: To provide a thermoelectric conversion material having low environmental load and an excellent thermoelectric figure of merit ZT and a thermoelectric conversion module including the thermoelectric conversion material. A thermoelectric conversion material of the present invention is characterized by being a compound represented by Chemical Formula (1). Cu26-xMxA2E6-yS32  (1) In Chemical Formula (1), M represents a metal material including at least one of Mn, Fe, Co, Ni, and Zn; A represents a metal material including at least one of Nb and Ta; E represents a metal material including at least one of Si, Ge, and Sn; x represents a numerical value of 0 or more and 4 or less; and y represents a numerical value of more than 0 and 1 or less.

公开(公告)号：US20190148613A1

公开(公告)日：2019-05-16

申请号：US16308748

申请日：2017-05-25

Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Michihiro Ohta ,  Yuta Kikuchi ,  Yohan Bouyrie ,  Koichiro Suekuni ,  Toshiro Takabatake

IPC: H01L35/16 ,  C01G33/00 ,  C01G35/00 ,  H01L35/32

Abstract: To provide a thermoelectric conversion material having low environmental load and an excellent thermoelectric figure of merit ZT and a thermoelectric conversion module including the thermoelectric conversion material. A thermoelectric conversion material of the present invention is characterized by being a compound represented by Chemical Formula (1). Cu26-xMxA2E6-yS32  (1) In Chemical Formula (1), M represents a metal material including at least one of Mn, Fe, Co, Ni, and Zn; A represents a metal material including at least one of Nb and Ta; E represents a metal material including at least one of Si, Ge, and Sn; x represents a numerical value of 0 or more and 4 or less; and y represents a numerical value of more than 0 and 1 or less.