NDLI: Performance of Low-Cost Thermoelectric Modules Fabricated from Hot Pressing and Cold Pressing Materials

Content Provider	IEEE Xplore Digital Library
Author	Kumpeerapun, T. Scherrer, H. Khedari, J. Hirunlabh, J. Weber, S. Dauscher, A. Lenoir, B. Zighmati, B. M'Jahed, H. Kosalathip, V.
Copyright Year	2006
Description	Author affiliation: King Mongkut's Univ. of Technol., Bangkok (Kumpeerapun, T.)
Abstract	The present work is focus on thermoelectric materials synthesized by economical technique and less production time for low-cost thermoelectric module fabrication. $Bi_{x}Sb_{2-x}Te_{3}$ polycrystalline with x = 1.6 for n-type and x = 0.45 for p-type thermoelectric materials were synthesized using two different methods, hot pressing and cold pressing process. The thermoelectric properties were measured at room temperature. The obtained ingots were cut into pellets of 3.5 x 3.5 mm $^{2}$ in cross-section and 3.8 mm in height. Two kinds of thermoelectric modules consist of seven pairs of n-p pellets from each process were constructed on aluminum substrates with polymer layer and copper layer on the top. The performances of the two modules were evaluated with temperature difference between hot side and cold side up to 100 degC. The internal resistance of hot pressing material modules is 152 mOmega, the open circuit generated voltage is 152 mVK-1 . For cold pressing materials module, the internal resistance is 175 mOmega, the opened circuit voltage generated is 1.75 mVK-1 .The maximum output power of 70.1 mW and 71.1 mW at 100 degC in temperature difference were obtained from the hot pressing material module and the cold pressing materials module respectively
Starting Page	136
Ending Page	140
File Size	1497100
Page Count	5
File Format	PDF
ISBN	1424408105
ISSN	10942734
DOI	10.1109/ICT.2006.331299
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-06
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pressing Thermoelectricity Temperature measurement Circuits Voltage Power generation Power generation economics Production Fabrication Bismuth
Content Type	Text
Resource Type	Article

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