2010 3rd International Conference on Thermal Issues in Emerging Technologies Theory and Applications 2010
DOI: 10.1109/theta.2010.5766410
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System optimiztion of hot water concentrated solar thermoelectric generation

Abstract: In this report, we describe the design of a concentrated solar thermoelectric (TE) figure-of-merit). For a material with ZT hot~0 .9, the electrical conversion efficiency is ~10%. For advanced materials with ZT hot~ 2.8, the electrical conversion efficiency could reach ~21%.

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Cited by 6 publications
(10 citation statements)
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“…Fig. 11 is the taken from our previous work [1]. The cost performance, in comparison, yielded a similar minimum cost of around 0.1$/W and a similar optimum concentration around 300-450x.…”
Section: Cost Discussionmentioning
confidence: 77%
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“…Fig. 11 is the taken from our previous work [1]. The cost performance, in comparison, yielded a similar minimum cost of around 0.1$/W and a similar optimum concentration around 300-450x.…”
Section: Cost Discussionmentioning
confidence: 77%
“…There is a significant amount of work on heat sink optimization as described in several studies such as [9] [10] [11]. In this study, a similar model of Yazawa et al [1] is used. We assume a heat sink where the fluid path is made of parallel channels as shown in Fig.…”
Section: Heat Sink Design and Pump Powermentioning
confidence: 99%
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“…Therefore, thermal recovery strategies could be used to increase the overall solar harvesting efficiency. In some cases, heat is recovered as such, through the co-generation of warm water [1][2][3]. Other approaches focus instead on the conversion of heat into electricity with the implementation of thermoelectric generators (TEGs) [4][5][6][7] through hybrid thermoelectric-photovoltaic systems (HTEPV).…”
Section: Introductionmentioning
confidence: 99%
“…More recently, theoretical and experimental examination of concentrated solar thermoelectric systems utilising non-conventional thermoelectric materials provided efficiencies over 10%, underlying also the importance of adjusting the concentration ratio according to the thermoelectric materials employed [38,40]. Furthermore, numerical analysis of a concentrated thermoelectricbased CHP system led to overall efficiency in the order of 80%, stressing out the need for thermoelectric materials of higher efficiency in order to increase the ratio of electrical vs. thermal efficiency [98]. In addition, performance investigation of solar TEGs utilizing thermal and/or optical concentration mechanisms, indicated the necessity for evacuated operation, especially in the case that only thermal concentration is used, achieving efficiencies near 5% for flat panel configurations which is considerably higher than previously reported values [37,99].…”
Section: Performance Evaluation Of Solar Thermoelectric Systemsmentioning
confidence: 99%