A spectral-splitting PV-thermal volumetric solar receiver

Mojiri, A, Stanley, C, Rodriguez Sanchez, D, Everett, V, Blakers, A and Rosengarten, G 2016, 'A spectral-splitting PV-thermal volumetric solar receiver', Applied Energy, vol. 169, pp. 63-71.


Document type: Journal Article
Collection: Journal Articles

Title A spectral-splitting PV-thermal volumetric solar receiver
Author(s) Mojiri, A
Stanley, C
Rodriguez Sanchez, D
Everett, V
Blakers, A
Rosengarten, G
Year 2016
Journal name Applied Energy
Volume number 169
Start page 63
End page 71
Total pages 9
Publisher Elsevier Ltd
Abstract Spectral beam splitting of sunlight can improve the efficiency of solar receivers. Hybrid photovoltaic thermal receivers designed for the concurrent generation of high grade heat and electricity can benefit considerably from this approach. In this paper, we introduce a novel method for filtering sunlight for high temperature hybrid solar receivers employed in linear solar concentrators. In this method, semiconductor doped glass is combined with propylene glycol to act simultaneously as the heat transfer fluid and a band pass filter for the optimal wavelength band, 700-1100 nm, required by silicon (Si) solar cells. Ray tracing and experimental analysis of the proposed design has shown that this filtering method directs 29% of the incoming concentrated solar spectrum to the silicon cells in the receiver with the remainder absorbed as heat. This means that 77% of the light in the optimal spectral band is effectively collected by the solar cells. The cell efficiency under this band can reach 26% in theory. The results demonstrate the potential for a simpler spectral filtering mechanism that is suitable for concentrating hybrid solar receivers
Subject Energy Generation, Conversion and Storage Engineering
Keyword(s) Hybrid
Solar
Spectral splitting
DOI - identifier 10.1016/j.apenergy.2016.02.027
Copyright notice © 2016 Elsevier
ISSN 0306-2619
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Citation counts: TR Web of Science Citation Count  Cited 20 times in Thomson Reuters Web of Science Article | Citations
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