LIU Yanchun, ZENG Lingke, REN Xuetan, SHUI Anze, WANG Hui

(College of Materials Science and Engineering,South China Univers ity of Technology,Guangzhou 510640)

Abstract: This paper discus sed the developing proces s and operating principle of thermoelectric materials based on present state of energy.The factors of thermoelectric trans fer efficiency and thermoelectric figure of merit were analyzed,further research trends were given.

keywords:thermoelectric materials ,thermoelectric figure of merit,nanophase materials