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Title: Spectral and Concentration Sensitivity of Multijunction Solar Cells at High Temperature: Preprint

Abstract

We model the performance of two-junction solar cells at very high temperatures of ~400 degrees C and beyond for applications such as hybrid PV/solar-thermal power production, and identify areas in which the design and performance characteristics behave significantly differently than at more conventional near-room-temperature operating conditions. We show that high-temperature operation reduces the sensitivity of the cell efficiency to spectral content, but increases the sensitivity to concentration, both of which have implications for energy yield in terrestrial PV applications. For other high-temperature applications such as near-sun space missions, our findings indicate that concentration may be a useful tool to enhance cell efficiency.

Authors:
; ; ;
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
U.S. Department of Energy, Advanced Research Projects Agency-Energy (ARPA-E)
OSTI Identifier:
1364145
Report Number(s):
NREL/CP-5J00-67787
DOE Contract Number:  
AC36-08GO28308
Resource Type:
Conference
Resource Relation:
Conference: Presented at 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC), 25-30 June 2017, Washington, DC
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; photovoltaics; multijunctions; high temperature

Citation Formats

Friedman, Daniel J., Steiner, Myles A., Perl, Emmett E., and Simon, John. Spectral and Concentration Sensitivity of Multijunction Solar Cells at High Temperature: Preprint. United States: N. p., 2017. Web.
Friedman, Daniel J., Steiner, Myles A., Perl, Emmett E., & Simon, John. Spectral and Concentration Sensitivity of Multijunction Solar Cells at High Temperature: Preprint. United States.
Friedman, Daniel J., Steiner, Myles A., Perl, Emmett E., and Simon, John. Wed . "Spectral and Concentration Sensitivity of Multijunction Solar Cells at High Temperature: Preprint". United States. doi:. https://www.osti.gov/servlets/purl/1364145.
@article{osti_1364145,
title = {Spectral and Concentration Sensitivity of Multijunction Solar Cells at High Temperature: Preprint},
author = {Friedman, Daniel J. and Steiner, Myles A. and Perl, Emmett E. and Simon, John},
abstractNote = {We model the performance of two-junction solar cells at very high temperatures of ~400 degrees C and beyond for applications such as hybrid PV/solar-thermal power production, and identify areas in which the design and performance characteristics behave significantly differently than at more conventional near-room-temperature operating conditions. We show that high-temperature operation reduces the sensitivity of the cell efficiency to spectral content, but increases the sensitivity to concentration, both of which have implications for energy yield in terrestrial PV applications. For other high-temperature applications such as near-sun space missions, our findings indicate that concentration may be a useful tool to enhance cell efficiency.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Jun 14 00:00:00 EDT 2017},
month = {Wed Jun 14 00:00:00 EDT 2017}
}

Conference:
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