Experimental characterization and multi-physics simulation of a triple-junction cell in a novel hybrid III:V concentrator photovoltaic-thermoelectric receiver design with secondary optical element

Sweet, Tracy ORCID: https://orcid.org/0000-0002-6947-5018, Rolley, Matthew ORCID: https://orcid.org/0000-0002-1217-6447, Li, W., Paul, M. C., Gao, Min ORCID: https://orcid.org/0000-0001-9591-5825 and Knox, A. R. 2017. Experimental characterization and multi-physics simulation of a triple-junction cell in a novel hybrid III:V concentrator photovoltaic-thermoelectric receiver design with secondary optical element. Presented at: 9th International Conference on Applied Energy (ICAE2017), Cardiff, UK, 21st - 24th August. Proceedings of the 9th International Conference on Applied Energy. Energy Procedia Elsevier, pp. 809-814. 10.1016/j.egypro.2017.12.130

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Abstract

A lattice-matched monolithic triple-junction Concentrator Photovoltaic (CPV) cell (InGaP/InGaAs/Ge) was electrically and thermally interfaced to a Thermoelectric (TE) Peltier module. A SIngLe Optical (SILO) design secondary lens was bonded to the CPV-TE receiver. The hybrid SILO-CPV-TE solar energy harvesting device was electrically, thermally and theoretically investigated. The electrical performance data for the CPV cell under variable irradiance and cell temperature conditions were measured using the integrated TE module as both a temperature sensor and as a solid-state heat pump. The CPV cell was electrically characterised under Standard Test Conditions (STC) of 1000W/m2 irradiance, 25oC temperature and AM1.5G spectrum for comparison with literature data. Transient multiphysics simulations in ANSYS CFX 15.0 were carried out to calculate cell temperatures and to determine the short circuit current and temperature coefficient in a scaling law. The optimization was used to determine 15 model parameters for the component sub-cells within the triple-junction cell at STC with a MATLAB scaling law. The root-mean-square error in electrical currents between measurement and simulations was 0.50%.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Publisher:	Elsevier
ISSN:	1876-6102
Funders:	EPSRC SUNTRAP
Date of First Compliant Deposit:	13 October 2017
Date of Acceptance:	19 July 2017
Last Modified:	03 Nov 2022 09:38
URI:	https://orca.cardiff.ac.uk/id/eprint/105553

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