DOI:10.29111/ijlrst ISRA Impact Factor:3.35
Research Paper Open Access
International Journal of Latest Research in Science and Technology Vol.4 Issue 4, pp 42-45,Year 2015
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Received : 20 August 2015; Accepted : 27 August 2015 ; Published : 31 August 2015
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This study investigated the uses zone melting method to acquire P-type thermoelectric material Bi0.4Sb1.6Te3 and N-type thermoelectric material Bi2Te2.55Se0.45. There are 16 thermoelectric material masses in series connection to form the thermoelectric module. At temperature 381K, the measured Seebeck coefficient of Bi0.4Sb1.6Te3 is 223μV/K, and its thermoelectric figure of merit ZT is 1.36. At temperature 400K, the measured Seebeck coefficient of Bi2Te2.55Se0.45 is 206μV/K, and its thermoelectric figure of merit ZT is 1.03. Using SEM, EDS and Hall effect measurement, the study explores the Seebeck coefficient, electrical conductivity and thermal conductivity of thermoelectric materials. Finally, the powder of thermoelectric material is cold-pressed under 766.4Mpa to make square thermoelectric pairs with size 8.2mm×8.2mm and thicknesses 0.8mm and 1.5mm. Solder paste Sn42Bi58 and copper electrode plate are in series connection with 16 pieces of P/N thermoelectric material to form thermoelectric modules.
Copyright © 2015 Mu-Jung Kao et al. This is an open access article distributed under the Creative Commons Attribution 4.0 International (CC BY 4.0) license which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Mu-Jung Kao,Chen-Yang Wu,Ming-Jing Chen , " Study On Bi-sb-tealloy Thermoelectric For Vehicle Exhaust By Zone Melting Method ", International Journal of Latest Research in Science and Technology . Vol. 4, Issue 4, pp 42-45 , 2015
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