AlGaInP/GaAs Tandem Solar Cells for Power Conversion at 400 degrees C and High Concentration
- National Renewable Energy Laboratory (NREL), Golden, CO (United States)
- SolAero Technologies Corp.
- University of Illinois at Urbana-Champaign
We demonstrate dual junction (Al)GaInP/GaAs solar cells that are designed to operate at 400 degrees C and 1000X concentration in a hybrid photovoltaic-solar thermal concentrator system. The cells have a front metallization and anti-reflection coating that are stable under 400 degrees C operation. We show how the cell performance degrades with increasing aluminum compositions in the top cell. Our best cell is a GaInP/GaAs tandem that demonstrated 15+/-1% efficiency at 400 degrees C over a concentration range of 300-1000 suns, with several pathways to improved performance.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- U.S. Department of Energy, Advanced Research Projects Agency-Energy (ARPA-E)
- DOE Contract Number:
- AC36-08GO28308
- OSTI ID:
- 1395456
- Report Number(s):
- NREL/CP-5J00-67887
- Resource Relation:
- Conference: Presented at the 13th International Conference on Concentrator Photovoltaic Systems (CPV-13), 1-3 May 2017, Ottawa, Canada
- Country of Publication:
- United States
- Language:
- English
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