MANUFACTURING METHOD FOR LANTHANUM-FILLED FE-SB SKUTTERUDITE THERMOELECTRIC MATERIALS AND THERMOELECTRIC MATERIALS MANUFACTURING BY THE METHOD

摘要

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.