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Solar Thermoelectric Generator for Micropower Applications

Solar Thermoelectric Generator for Micropower Applications Solar thermoelectric generators (STG) using cheap parabolic concentrators with high-ZT modules can be a cost-effective alternative to solar photovoltaics for micropower generation. A thermodynamic analysis is presented for predicting the thermal-to-electrical conversion efficiency for the generator. With solar concentration of 66× suns, a system efficiency of 3% was measured for a commercial Bi2Te3 module with output power of 1.8 W. Using novel thermoelectric materials such as n-type ErAs:(InGaAs)1−x (InAlAs) x and p-type (AgSbTe) x (PbSnTe)1−x , a conversion efficiency of 5.6% can be achieved for a STG at 120× suns. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Electronic Materials Springer Journals

Solar Thermoelectric Generator for Micropower Applications

Journal of Electronic Materials , Volume 39 (9) – Apr 3, 2010

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References (13)

Publisher
Springer Journals
Copyright
Copyright © 2010 by TMS
Subject
Materials Science; Optical and Electronic Materials; Characterization and Evaluation of Materials; Electronics and Microelectronics, Instrumentation; Solid State Physics
ISSN
0361-5235
eISSN
1543-186X
DOI
10.1007/s11664-010-1190-8
Publisher site
See Article on Publisher Site

Abstract

Solar thermoelectric generators (STG) using cheap parabolic concentrators with high-ZT modules can be a cost-effective alternative to solar photovoltaics for micropower generation. A thermodynamic analysis is presented for predicting the thermal-to-electrical conversion efficiency for the generator. With solar concentration of 66× suns, a system efficiency of 3% was measured for a commercial Bi2Te3 module with output power of 1.8 W. Using novel thermoelectric materials such as n-type ErAs:(InGaAs)1−x (InAlAs) x and p-type (AgSbTe) x (PbSnTe)1−x , a conversion efficiency of 5.6% can be achieved for a STG at 120× suns.

Journal

Journal of Electronic MaterialsSpringer Journals

Published: Apr 3, 2010

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