Finite Element Simulation and Design of Thermoelectric Generators Based on Bismuth Telluride Alloys
WANG Yang1, ZHANG Xin1, LIU Hongliang1, WANG Yangzhong1, ZHANG Jiuxing1,2
1 School of Materials Science and Engineering, Beijing University of Technology, Beijing 100022 2 School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009
Abstract: Thermoelectric property and stress distribution were simulated by ANSYS software to provide the groundwork of device preparation based the material experiment. The computed results showed that the heat stress of the device was distributed on the contact surface of different mate-rials. It reached the highest refrigeration efficiency of 0.24 with the condition of current 9 A, 0 ℃ on the cold face and 50 ℃ difference. The hig-hest refrigeration capacity was 1.33 W with the current of 10 A and the shakeout temperature was equivalent. The refrigeration efficiency and capacity were sharply decreased considering the contact resistance. The thermoelectric efficiency was only 0.03 with 20 ℃ on the cold face and 10 ℃ difference. A planer thermoelectric device contained 7 pairs of thermoelectric couple was successfully fabricated after improving the fabrication process, which provide a theoretical direction for the subsequent fabrication of thermoelectric generators.
王杨, 张忻, 刘洪亮, 王阳仲, 张久兴. 碲化铋基热电器件的有限元模拟与设计组装[J]. 材料导报, 2019, 33(20): 3367-3371.
WANG Yang, ZHANG Xin, LIU Hongliang, WANG Yangzhong, ZHANG Jiuxing. Finite Element Simulation and Design of Thermoelectric Generators Based on Bismuth Telluride Alloys. Materials Reports, 2019, 33(20): 3367-3371.
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2019, Vol. 33 
