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Concentrated Photovoltaic/Thermal Hybrid System Coupled with a Thermoelectric Generator

Author

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  • Abdelrahman Lashin

    (Physics Department, College of Applied Science, Umm Al Qura University, Makkah 21955, Saudi Arabia
    Physics Department, Faculty of Science, Mansoura University, Mansoura 35516, Egypt)

  • Mohammad Al Turkestani

    (Physics Department, College of Applied Science, Umm Al Qura University, Makkah 21955, Saudi Arabia)

  • Mohamed Sabry

    (Physics Department, College of Applied Science, Umm Al Qura University, Makkah 21955, Saudi Arabia
    Solar Physics Lab, National Research Institute of Astronomy and Geophysics, Cairo 11421, Egypt)

Abstract

Concentrator photovoltaic (CPV) systems have displayed an important cost reduction and in the next few years could offer a competitive cost advantage compared to that of flat plate PV systems. Such CPV systems require some cooling methods to overcome high operating temperatures, which reduces their efficiency significantly. On the other hand, thermoelectric generators (TEG) are devices that convert thermal energy directly to electrical energy, provided that there is a temperature difference between its two faces. A hybrid concentrator photovoltaic/thermal (CPV/T) system is proposed in this work. Such a system uses TEG in a two-fold manner: to passively cool down the CPV cell in order to maintain its power conversion efficiency in such high temperature conditions, and to use the accumulated thermal energy to generate electrical energy, which is added to the system’s total power output. Two types of solar cells were investigated, namely, Ga 0.35 In 0.65 P/Ga 0.83 In 0.17 As with efficiency an of 28% at 250X, and a Laser Grooved Buried Contact (LGBC) silicon concentrator PV cell with an efficiency of 18.3% at 40X. These cells are assumed to be coupled with two TEGs of the same type but with a different number of junctions. Experimental results showed that coupling TEG modules to a CPV system could be a useful method for enhancing the overall output power, provided that PV cells are chosen with a low efficiency temperature coefficient and high PV performance. Also, TEG modules have to be chosen with a high figure of merit. Moreover, the operating optical concentration ratio, as well as the covered area of the TEG, have to be optimized in order to maximize the total system output.

Suggested Citation

  • Abdelrahman Lashin & Mohammad Al Turkestani & Mohamed Sabry, 2019. "Concentrated Photovoltaic/Thermal Hybrid System Coupled with a Thermoelectric Generator," Energies, MDPI, vol. 12(13), pages 1-12, July.
  • Handle: RePEc:gam:jeners:v:12:y:2019:i:13:p:2623-:d:246582
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    References listed on IDEAS

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    1. Hsu, Cheng-Ting & Huang, Gia-Yeh & Chu, Hsu-Shen & Yu, Ben & Yao, Da-Jeng, 2011. "Experiments and simulations on low-temperature waste heat harvesting system by thermoelectric power generators," Applied Energy, Elsevier, vol. 88(4), pages 1291-1297, April.
    2. Saim Memon & Khawaja Noman Tahir, 2018. "Experimental and Analytical Simulation Analyses on the Electrical Performance of Thermoelectric Generator Modules for Direct and Concentrated Quartz-Halogen Heat Harvesting," Energies, MDPI, vol. 11(12), pages 1-17, November.
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    Cited by:

    1. Karolina Papis-Frączek & Krzysztof Sornek, 2022. "A Review on Heat Extraction Devices for CPVT Systems with Active Liquid Cooling," Energies, MDPI, vol. 15(17), pages 1-49, August.
    2. Mohamed Sabry & Abdelrahman Lashin, 2023. "Performance of a Heat-Pipe Cooled Concentrated Photovoltaic/Thermoelectric Hybrid System," Energies, MDPI, vol. 16(3), pages 1-13, February.
    3. Abdelrahman Lashin & Mohammad Al Turkestani & Mohamed Sabry, 2020. "Performance of a Thermoelectric Generator Partially Illuminated with Highly Concentrated Light," Energies, MDPI, vol. 13(14), pages 1-12, July.
    4. Petru Adrian Cotfas & Daniel Tudor Cotfas, 2020. "Comprehensive Review of Methods and Instruments for Photovoltaic–Thermoelectric Generator Hybrid System Characterization," Energies, MDPI, vol. 13(22), pages 1-32, November.
    5. Irene Cappelli & Stefano Parrino & Alessandro Pozzebon & Alessio Salta, 2021. "Providing Energy Self-Sufficiency to LoRaWAN Nodes by Means of Thermoelectric Generators (TEGs)-Based Energy Harvesting," Energies, MDPI, vol. 14(21), pages 1-17, November.

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