Solar thermophotovoltaic system using nanostructures
Abstract
This paper presents results on a highly efficient experimental solar thermophotovoltaic (STPV) system using simulated solar energy. An overall power conversion efficiency of 6.2% was recorded under solar simulation. This was matched with a thermodynamic model, and the losses within the system, as well as a path forward to mitigate these losses, have been investigated. The system consists of a planar, tungsten absorbing/emitting structure with an anti-reflection layer coated laser-microtextured absorbing surface and single-layer dielectric coated emitting surface. A GaSb PV cell was used to capture the emitted radiation and convert it into electrical energy. This simple structure is both easy to fabricate and temperature stable, and contains no moving parts or heat exchange fluids.
- Authors:
-
- Univ. of Virginia, Charlottesville, VA (US). Dept. of Electrical & Computer Engineering.
- Argonne National Lab., Argonne, IL (United States). Center for Nanoscale Materials.
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1215666
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Optics Express
- Additional Journal Information:
- Journal Volume: 23; Journal Issue: 19; Journal ID: ISSN 1094-4087
- Publisher:
- Optical Society of America (OSA)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; 77 NANOSCIENCE AND NANOTECHNOLOGY; optical devices; subwavelength structures; nanostructures
Citation Formats
Ungaro, Craig, Gray, Stephen K., and Gupta, Mool C. Solar thermophotovoltaic system using nanostructures. United States: N. p., 2015.
Web. doi:10.1364/OE.23.0A1149.
Ungaro, Craig, Gray, Stephen K., & Gupta, Mool C. Solar thermophotovoltaic system using nanostructures. United States. https://doi.org/10.1364/OE.23.0A1149
Ungaro, Craig, Gray, Stephen K., and Gupta, Mool C. Thu .
"Solar thermophotovoltaic system using nanostructures". United States. https://doi.org/10.1364/OE.23.0A1149. https://www.osti.gov/servlets/purl/1215666.
@article{osti_1215666,
title = {Solar thermophotovoltaic system using nanostructures},
author = {Ungaro, Craig and Gray, Stephen K. and Gupta, Mool C.},
abstractNote = {This paper presents results on a highly efficient experimental solar thermophotovoltaic (STPV) system using simulated solar energy. An overall power conversion efficiency of 6.2% was recorded under solar simulation. This was matched with a thermodynamic model, and the losses within the system, as well as a path forward to mitigate these losses, have been investigated. The system consists of a planar, tungsten absorbing/emitting structure with an anti-reflection layer coated laser-microtextured absorbing surface and single-layer dielectric coated emitting surface. A GaSb PV cell was used to capture the emitted radiation and convert it into electrical energy. This simple structure is both easy to fabricate and temperature stable, and contains no moving parts or heat exchange fluids.},
doi = {10.1364/OE.23.0A1149},
journal = {Optics Express},
number = 19,
volume = 23,
place = {United States},
year = {Thu Aug 20 00:00:00 EDT 2015},
month = {Thu Aug 20 00:00:00 EDT 2015}
}
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