2010
DOI: 10.1007/s11664-010-1279-0
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Design of a Concentration Solar Thermoelectric Generator

Abstract: Thermoelectric technology can be another direct way to convert solar radiation into electricity, using the Seebeck effect. Herein, a prototype concentration solar thermoelectric generator (CTG) and a discrete numerical model for the evaluation of the whole system are presented. The model takes into account the temperature dependence of the thermoelectric material properties by dividing the thermoelectric leg into finite elements and is proved to be more accurate for calculation of the conversion efficiency of … Show more

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Cited by 152 publications
(69 citation statements)
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“…For over a century thermoelectric devices have drawn little attention as a potential technology for terrestrial solar power conversion due to low efficiency and/or complicated and bulky designs, making the technology economically viable only for niche solar applications (Telkes, 1954;Goldsmid et al, 1980;Dent and Cobble, 1982;Rockendorf et al, 1999;Vatcharasathien et al, 2005;Li et al, 2010). Solar thermoelectric generators (STEGs) have also been designed and optimized for space applications due to their advantages of reliability and the capability to withstand high incident solar radiation (Fuschillo et al, 1966;Scherrer et al, 2003) However, constraints and designs for earth-based STEGs are different and have not been successfully optimized for large-scale and potentially cost-effective deployment on rooftops or for the integration in solar hot water systems.…”
Section: Introductionmentioning
confidence: 99%
“…For over a century thermoelectric devices have drawn little attention as a potential technology for terrestrial solar power conversion due to low efficiency and/or complicated and bulky designs, making the technology economically viable only for niche solar applications (Telkes, 1954;Goldsmid et al, 1980;Dent and Cobble, 1982;Rockendorf et al, 1999;Vatcharasathien et al, 2005;Li et al, 2010). Solar thermoelectric generators (STEGs) have also been designed and optimized for space applications due to their advantages of reliability and the capability to withstand high incident solar radiation (Fuschillo et al, 1966;Scherrer et al, 2003) However, constraints and designs for earth-based STEGs are different and have not been successfully optimized for large-scale and potentially cost-effective deployment on rooftops or for the integration in solar hot water systems.…”
Section: Introductionmentioning
confidence: 99%
“…3, in order to facilitate the finite element analysis, the TEG legs and sandwiching material are fractionally divided into isometric elements along the leg height of the TEG. [23][24][25][26][27][28] For the purpose of predigesting the model, the assembly with the TE material and sandwiching material is regarded as a composite wall.…”
Section: Heat Transfer Model In Y Directionmentioning
confidence: 99%
“…With solar concentration of 669 suns, a system efficiency of 3% was measured for a commercial Bi 2 Te 3 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. Recently, Li et al [19] proposed an experimental prototype concentration solar thermoelectric generator with improved total conversion efficiency. They developed a theoretical model of the concentration solar thermoelectric generator system to predict system performance based on the best available properties of different bulk thermoelectric materials found in the literature, including Bi 2 Te 3 , skutterudite, and silver antimony lead telluride alloys.…”
Section: Solar Thermoelectric Power Generation (Steg)mentioning
confidence: 99%