Abstract:
The present invention relates to a method for manufacturing a lanthanum-filled Fe-Sb skutterudite thermoelectric material having excellent thermoelectric properties and, more specifically, to a method for manufacturing a lanthanum-filled Fe-Sb skutterudite thermoelectric material which comprises: a preparation step for preparing raw materials including La, Co, Fe, and Sb; a closed induction melting step for preparing a specimen by charging and dissolving the raw materials in an encapsulated ampoule; a heat treatment step for heat treating the specimen; a grinding step for grinding the heat-treated specimen into powder; and a sintering step for sintering the powder by hot extrusion.
Abstract:
The present invention relates to a method for manufacturing thermoelectric material of Mg alloy solid solution and thermoelectric material manufactured thereby. According to the present invention, the method for manufacturing thermoelectric material of Mg alloy solid solution and thermoelectric material manufactured thereby includes a mixing step for mixing a raw powder; a synthesis step for synthesizing Mg2Si-Mg2Sn solid powder; and a sintering step.
Abstract:
A method for manufacturing Skutterudite by encapsulated induction melting is provided to minimize deformation of composition caused by a volatilization of components by performing a synthetic process on an encapsulated induction melting furnace. A method for manufacturing Skutterudite by encapsulated induction melting includes the steps of preparing raw material such as short type Co and Sb for composing CoSb6, charging the raw material into an encapsulated induction melting furnace, manufacturing the CoSb6 by melting the raw material in a vacuum atmosphere, and performing a thermal treatment for the solved CoSb6 in the vacuum for inducing homogenization and phase change.
Abstract:
A method for producing thermoelectric skutterudites by doping a specific element to CoSb3 and closed induction melting is provided to improve thermoelectric properties. A method for producing thermoelectric skutterudites of CoSb3-yMy composition and includes loading Co, Sb and M as start materials in a quartz tube, followed by hermetical sealing in vacuum (M is Te or Sn); melting the mixture of the tube by high frequency induction power in a closed induction melting furnace; thermally treating the product in vacuum to induce homogenization and change of the phase. Upon loading of the star materials, Sb is loaded in the lower part and Co is loaded in the upper part to prevent segregation caused by specific gravity difference.
Abstract:
전자의 이동을 방해하지 않지 않으면서, 포논을 산란시킬 수 있는 구조를 갖는 벌크상 열전재료를 개시한다. 본 발명의 일 실시예에 따르면, 상기 벌크형 열전재료는 벌크상의 결정성 열전재료 매트릭스; 및 상기 열전재료 매트릭스의 결정 계면 또는 결정구조 내부에 독립적으로 도입되어 있는 금속 산화물 입자를 포함한다.