公开(公告)号：US20240365669A1

公开(公告)日：2024-10-31

申请号：US18771347

申请日：2024-07-12

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuriko KANEKO ,  Hiromasa TAMAKI ,  Tsutomu KANNO ,  Reiko HAGAWA ,  Hiroki SATO ,  Hyunjeong NAM

IPC: H10N10/852 ,  C22C1/04 ,  C22C12/00 ,  C22C30/00

CPC classification number: H10N10/852 ,  C22C1/04 ,  C22C12/00 ,  C22C30/00

Abstract: A thermoelectric conversion material is a polycrystalline material composed of a plurality of crystal grains and has a composition represented by formula (I): Mg3+mSbaBi2−a−cAc. In the formula (I), A is at least one element selected from the group consisting of Se and Te, the value of m is greater than or equal to 0.01 and less than or equal to 0.5, the value of a is greater than or equal to 0 and less than or equal to 1.0, and the value of c is greater than or equal to 0.001 and less than or equal to 0.06. The thermoelectric conversion material has an Mg-rich region.

公开(公告)号：US20220209092A1

公开(公告)日：2022-06-30

申请号：US17698910

申请日：2022-03-18

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Yuriko KANEKO ,  Tsutomu KANNO

IPC: H01L35/20 ,  H01L35/34

Abstract: A thermoelectric conversion element of the present disclosure includes a thermoelectric conversion layer, a first metal layer, a second metal layer, a first joining layer, and a second joining layer. At least one of the first joining layer and the second joining layer includes a second alloy. A content of Mg in the second alloy is 84 atm % or more and 89 atm % or less, a content of Cu in the second alloy is 11 atm % or more and 15 atm % or less, and a content of an alkaline earth metal in the second alloy is 0 atm % or more and 1 atm % or less.

公开(公告)号：US20240164211A1

公开(公告)日：2024-05-16

申请号：US18420573

申请日：2024-01-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takeshi KAWABE ,  Yuriko KANEKO ,  Tsutomu KANNO ,  Hiromasa TAMAKI

IPC: H10N10/17 ,  H10N10/01 ,  H10N10/851

CPC classification number: H10N10/17 ,  H10N10/01 ,  H10N10/851

Abstract: A thermoelectric conversion element includes a P-type thermoelectric conversion layer, a first metal layer, a second metal layer, a first joining layer, and a second joining layer. The P-type thermoelectric conversion layer includes a thermoelectric conversion material containing Mg and at least one selected from the group consisting of Sb and Bi. The first metal layer and the second metal layer each include Cu or a Cu alloy. The first joining layer and the second joining layer each include Al or an Al alloy containing Mg.

公开(公告)号：US20240099139A1

公开(公告)日：2024-03-21

申请号：US18524965

申请日：2023-11-30

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Miho UEHARA ,  Yuriko KANEKO ,  Atsushi ONO ,  Masashige KAWABE ,  Tsutomu KANNO ,  Hiromasa TAMAKI ,  Hiroki SATO

IPC: H10N10/17 ,  H10N10/81 ,  H10N10/852

CPC classification number: H10N10/17 ,  H10N10/81 ,  H10N10/852

Abstract: A fabrication method of a thermoelectric conversion element includes forming a first metal layer containing Cu on a first surface of a thermoelectric conversion layer, and forming a first electrode and a first intermediate layer from the first metal layer. The thermoelectric conversion layer is composed of a thermoelectric conversion material containing Mg and at least one kind of element selected from the group consisting of Sb and Bi, the first intermediate layer is provided between the thermoelectric conversion layer and the first electrode, the first intermediate layer is in contact with the thermoelectric conversion layer, the first electrode is in contact with the first intermediate layer, and a composition of the first intermediate layer is different from both a composition of the first electrode and a composition of the thermoelectric conversion layer.

公开(公告)号：US20230044945A1

公开(公告)日：2023-02-09

申请号：US17960644

申请日：2022-10-05

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： Takeshi KAWABE ,  Yuriko KANEKO ,  Tsutomu KANNO ,  Hiromasa TAMAKI

IPC: H01L35/32 ,  H01L35/14 ,  H01L35/34

Abstract: A thermoelectric conversion element includes a P-type thermoelectric conversion layer, a first metal layer, a second metal layer, a first joining layer, and a second joining layer. The P-type thermoelectric conversion layer includes a thermoelectric conversion material containing Mg and at least one selected from the group consisting of Sb and Bi. The first metal layer and the second metal layer each include Cu or a Cu alloy. The first joining layer and the second joining layer each include Al or an Al alloy containing Mg.