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Evaluation of power generated by thermoelectric modules comprising a p-type and n-type single walled carbon nanotube composite paper

Authors
Piao, MingxingJoo, Min-KyuChoi, Jun HeeShin, Jong MokMoon, Young SunKim, Gyu TaeDettlaff-Weglikowska, Urszula
Issue Date
2015
Publisher
ROYAL SOC CHEMISTRY
Citation
RSC ADVANCES, v.5, no.95, pp.78099 - 78103
Indexed
SCIE
SCOPUS
Journal Title
RSC ADVANCES
Volume
5
Number
95
Start Page
78099
End Page
78103
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/96357
DOI
10.1039/c5ra13893k
ISSN
2046-2069
Abstract
We report on p-type and n-type thermoelectric (TE) materials made of single-walled carbon nanotube (SWCNT) networks incorporated into the cellulose fiber structure of a common packaging paper. This leads the paper to possess both mechanical flexibility from the cellulose fibers as a supporting matrix and the high electrical conductivity originating from the SWCNTs. Thermoelectric power of up to +/- 50 mu V K-1 was successfully obtained as well, depending on their electronic type. Further, to demonstrate its thermoelectric voltage (V-TEP) and generating power, a couple of thermoelectric modules composed of both p-type and n-type composite layers were assembled in series. The produced V-TEP shows a quasi-linearity with respect to the number of p-n couples and the temperature difference Delta T. Our testing module enables the provision of V-TEP and power generation as large as approximate to 16.8 mV and approximate to 75.5 nW upon inducing a 50 K temperature difference. The feasibility of commercial TE modules consisting of 10, 100 and 1000 p-n SWCNT couples was numerically calculated, taking into account our experimental results.
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공과대학 (전기전자공학부)
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