Experimental evaluation of a prototype hybrid CPV/T system utilizing a nanoparticle fluid absorber at elevated temperatures
- Univ. of Tulsa, Tulsa, OK (United States)
Novel approaches for solar energy conversion continue to garner interest as a potential thermal and electrical energy source. Additionally, the need for systems capable of producing thermal energy at temperatures up to 300 °C is growing as a means to provide process heat to industry and distributed generation for small communities. An approach that has seen recent increased interest is the hybrid concentrating photovoltaic/thermal collector that can co-produce electricity and heat energy above 100 °C. A technique for this is to use nanoparticles in the heat transfer fluid to spectrally filter off wavelengths poorly utilized by the photovoltaic component. Here, we have demonstrated the first on-sun operation of a nanoparticle based hybrid CPV/T solar collector at temperatures exceeding 100 °C using a combination of gold and indium tin oxide nanoparticles in Duratherm S flowing in the receiver, with an aperture area a full order of magnitude larger than other tests. At 14× concentration the system achieved a photovoltaic efficiency of 4% while achieving a peak thermal efficiency of 61% with an outlet temperature of the fluid of 110 °C.
- Research Organization:
- Univ. of Tulsa, Tulsa, OK (United States)
- Sponsoring Organization:
- USDOE Advanced Research Projects Agency - Energy (ARPA-E)
- Grant/Contract Number:
- AR0000463
- OSTI ID:
- 1613602
- Alternate ID(s):
- OSTI ID: 1692212
- Journal Information:
- Applied Energy, Vol. 228, Issue C; ISSN 0306-2619
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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