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2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC)

DOI: 10.1109/pvsc.2016.7750203

2017 IEEE 44th Photovoltaic Specialist Conference (PVSC)

DOI: 10.1109/pvsc.2017.8366699

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Specially designed solar cells for hybrid photovoltaic-thermal generators

Proceedings article published in 2016 by Av Mellor, Zhenghsan J. Yu, Ilaria Guarracino, Salman Manzoor, Lf Llin, Diego Alonso-Alvarez ORCID, Alonso Alvarez, Alberto Riverola, Stephen Thoms, Asad Ali, Dj Paul, Christos N. Markides ORCID, Waqar Ali, Daniel Chemisana, Stefan Maier and other authors.
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This paper is available in a repository.

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Abstract

The performance of hybrid photovoltaic-thermal systems can be improved using PV cells that are specially designed to generate both electricity and useful heat with maximum efficiency. Present systems, however, use standard PV cells that are only optimized for electrical performance. In this work, we have developed two cell-level components that will improve the thermal efficiency of PV-T collectors, with minimal loss of electrical efficiency. These are a spectrally-selective low-emissivity coating to reduce radiative thermal losses, and a nanotextured rear reflector to improve absorption of the near-infrared part of the solar spectrum for heat generation.