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Integration of Phase Change Material into PV Windows to Improve the Efficiency of Semi-Transparent Panels Based on Luminescent Solar Concentrator Technology

Author

Listed:
  • Giulio Mangherini

    (Department of Physics and Earth Sciences, University of Ferrara, v. G. Saragat 1, 44122 Ferrara, FE, Italy)

  • Eleonora Baccega

    (Department of Architecture, University of Ferrara, v. Quartieri 8, 44121 Ferrara, FE, Italy)

  • Valentina Diolaiti

    (Department of Physics and Earth Sciences, University of Ferrara, v. G. Saragat 1, 44122 Ferrara, FE, Italy)

  • Donato Vincenzi

    (Department of Physics and Earth Sciences, University of Ferrara, v. G. Saragat 1, 44122 Ferrara, FE, Italy
    Consorzio Futuro in Ricerca, v. G. Saragat 1, 44122 Ferrara, FE, Italy)

Abstract

This research addresses the need for enhanced thermal management in building-integrated photovoltaic systems, specifically focusing on semi-transparent PV panels based on luminescent solar concentrator (LSC) technology. In pursuit of optimal thermal regulation, the cooling effect of a paraffin PCM was investigated via finite element simulations developed with COMSOL Multiphysics. The PCM was thermally coupled with the PV cells situated in the frame of a south-facing window. Due to the seasonal difference between winter and summer, the PCM latent heat capacity and melting temperature were optimized to ensure the maximum nominal operating cell temperature (NOCT) reduction during summer months. PCM latent heat capacities equivalent to 120 kJ/kg, 180 kJ/kg, and 240 kJ/kg have been investigated, whereas for the melting temperature a range from 20 °C to 42 °C was spanned. The combination of higher latent heat and 36 °C melting point showed the most significant thermal benefits, by reducing the NOCT from 42 °C to 36 °C, which led to an 11.80% increase in power output across the whole PV window. Considering the same latent heat, the other melting temperature resulted in more moderate benefits, namely an enhancement of 7.88% and 3.94%, for 38 °C and 40 °C, respectively. The lower latent heat capacities resulted in an NOCT reduction that ranged between 2.7 °C and 5.3 °C, according to the associated melting point. These results testify that the presented solution could significantly enhance energy production in semi-transparent PV applications based on LSC panels.

Suggested Citation

  • Giulio Mangherini & Eleonora Baccega & Valentina Diolaiti & Donato Vincenzi, 2024. "Integration of Phase Change Material into PV Windows to Improve the Efficiency of Semi-Transparent Panels Based on Luminescent Solar Concentrator Technology," Sustainability, MDPI, vol. 16(24), pages 1-15, December.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:24:p:11148-:d:1547575
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    References listed on IDEAS

    as
    1. Giulio Mangherini & Paolo Bernardoni & Eleonora Baccega & Alfredo Andreoli & Valentina Diolaiti & Donato Vincenzi, 2023. "Design of a Ventilated Façade Integrating a Luminescent Solar Concentrator Photovoltaic Panel," Sustainability, MDPI, vol. 15(12), pages 1-18, June.
    2. Da, Yun & Xuan, Yimin & Li, Qiang, 2016. "From light trapping to solar energy utilization: A novel photovoltaic–thermoelectric hybrid system to fully utilize solar spectrum," Energy, Elsevier, vol. 95(C), pages 200-210.
    3. Liu, Haixiang & He, Wei & Liu, Xianghua & Zhu, Jian & Yu, Hancheng & Hu, Zhongting, 2023. "Building integrated concentrating photovoltaic window coupling luminescent solar concentrator and thermotropic material," Energy, Elsevier, vol. 284(C).
    4. Peng, Jinqing & Curcija, Dragan C. & Thanachareonkit, Anothai & Lee, Eleanor S. & Goudey, Howdy & Selkowitz, Stephen E., 2019. "Study on the overall energy performance of a novel c-Si based semitransparent solar photovoltaic window," Applied Energy, Elsevier, vol. 242(C), pages 854-872.
    5. Mehrdad Ghamari & Senthilarasu Sundaram, 2024. "Solar Window Innovations: Enhancing Building Performance through Advanced Technologies," Energies, MDPI, vol. 17(14), pages 1-31, July.
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