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1. WO2020194776 - THERMOELECTRIC CONVERSION MATERIAL AND THERMOELECTRIC CONVERSION ELEMENT USING SAME

Publication Number WO/2020/194776
Publication Date 01.10.2020
International Application No. PCT/JP2019/026876
International Filing Date 05.07.2019
IPC
H01L 35/16 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
35Thermoelectric devices comprising a junction of dissimilar materials, i.e. exhibiting Seebeck or Peltier effect with or without other thermoelectric effects or thermomagnetic effects; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
12Selection of the material for the legs of the junction
14using inorganic compositions
16comprising tellurium or selenium or sulfur
C22C 12/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
12Alloys based on antimony or bismuth
C22C 30/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
30Alloys containing less than 50% by weight of each constituent
Applicants
  • パナソニックIPマネジメント株式会社 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. [JP]/[JP]
Inventors
  • 金子 由利子 KANEKO Yuriko
  • 玉置 洋正 TAMAKI Hiromasa
  • 菅野 勉 KANNO Tsutomu
  • 羽川 令子 HAGAWA Reiko
  • 佐藤 弘樹 SATO Hiroki
  • ナム ヒョンジョン NAM Hyunjeong
Agents
  • 鎌田 健司 KAMATA Kenji
  • 野村 幸一 NOMURA Koichi
Priority Data
2019-05948026.03.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) THERMOELECTRIC CONVERSION MATERIAL AND THERMOELECTRIC CONVERSION ELEMENT USING SAME
(FR) MATÉRIAU DE CONVERSION THERMOÉLECTRIQUE ET ÉLÉMENT DE CONVERSION THERMOÉLECTRIQUE UTILISANT CELUI-CI
(JA) 熱電変換材料及びこれを用いた熱電変換素子
Abstract
(EN)
A thermoelectric conversion material according to the present disclosure is a polycrystal composed of a plurality of crystal grains, and has a composition represented by formula (I): Mg3+mSbaBi2-a-cAc. In formula (I), A is at least one element selected from the group consisting of Se and Te; the value of m is 0.01-0.5; the value of a is 0-1.0; and the value of c is 0.001-0.6. The thermoelectric conversion material according to the present disclosure has a Mg-rich part.
(FR)
La présente invention concerne un matériau de conversion thermoélectrique qui est un polycristal composé d'une pluralité de grains cristallins, et a une composition représentée par la formule (I) : Mg3+mSbaBi2-a-cAc. Dans la formule (I), A est au moins un élément choisi dans le groupe constitué de Se et Te ; la valeur de m est de 0,01 à 0,5 ; la valeur de a est de 0 à 1,0 ; et la valeur de c est de 0,001 à 0,6. Le matériau de conversion thermoélectrique selon la présente invention comprend une partie riche en Mg.
(JA)
本開示の熱電変換材料は、複数の結晶粒から構成される多結晶体であり、かつ熱電変換材料は、式(I):Mg3+mSbaBi2-a-ccにより表される組成を有する。式(I)におけるAはSe及びTeからなる群から選択される少なくとも1種の元素である。mの値は0.01以上0.5以下である。aの値は0以上1.0以下である。cの値は0.001以上0.6以下である。本開示の熱電変換材料は、Mgリッチ部を有する。
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