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  • See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/318700115

    An Investigation of A Novel Structure Polycrystalline Silicon Solar Cell for

    Concentrated Solar Power

    Conference Paper · June 2017

    DOI: 10.1115/ES2017-3388

    CITATION

    1 READS

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    4 authors:

    Some of the authors of this publication are also working on these related projects:

    Thermodiffusion, thermophoresis in complex mixtures and nanofluids View project

    Lean premixed prevaporized combustion View project

    Ali Radwan

    Mansoura University

    21 PUBLICATIONS   80 CITATIONS   

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    Mohamed Emam

    Egypt-Japan University of Science and Technology

    11 PUBLICATIONS   30 CITATIONS   

    SEE PROFILE

    Radwan M. El-Zoheiry

    Egypt-Japan University of Science and Technology

    6 PUBLICATIONS   6 CITATIONS   

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    Mahmoud Ahmed

    Assiut University

    106 PUBLICATIONS   655 CITATIONS   

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    All content following this page was uploaded by Ali Radwan on 06 September 2017.

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  • AN INVESTIGATION OF A NOVEL STRUCTURE POLYCRYSTALLINE SILICON SOLAR CELL FOR CONCENTRATED SOLAR POWER

    Ali Radwan

    Energy Resources Engineering Department, Egypt-Japan University of Science and

    Technology (E-JUST), Alexandria, Egypt. Ali.radwan@ejust.edu.eg

    Mohamed Emam Energy Resources Engineering Department,

    Egypt-Japan University of Science and Technology (E-JUST), Alexandria, Egypt.

    mohamed.emam@ejust.edu.eg

    Radwan M. Elzoheiry Energy Resources Engineering Department,

    Egypt-Japan University of Science and Technology (E-JUST), Alexandria, Egypt.

    radwan.elzoheiry@ejust.edu.eg

    Mahmoud Ahmed1 Energy Resources Engineering Department,

    Egypt-Japan University of Science and Technology (E-JUST), Alexandria, Egypt.

    mahmoud.ahmed@ejust.edu.eg

    1 On leave from mechanical Engineering Department, Assiut University, Assiut 71516, Egypt E-mail: aminism@aun.edu.eg

    ABSTRACT To achieve reliable and efficient operation of generic polycrystalline silicon solar cell under concentrated sunlight, a novel structure of the cell layers is proposed along with effective cooling technique using microchannel heat sink (MCHS). In the novel structure, Boron Nitride with the volume fraction of 20%, 40%, and 60% as a filler is incorporated in the Ethylene Vinyl Acetate (EVA) matrix to form a new composite. The new composite is used instead of the conventional EVA layer in the solar cell. Various solar cell structures integrated with MCHS are studied and compared with the conventional structure. To determine the performance of the developed concentrated photovoltaic thermal (CPVT) system, a comprehensive three-dimensional model of the solar cell with heat sink is developed. The model is numerically simulated and validated. Based on the validated results, it is found that the novel structure with EVA-60% BN composite along with aluminum foil back sheet attains 30% increase in the gained solar cell electric power with 10.9 % reduction in the cell temperature compared with the conventional solar cell structure at the same cooling mass flow rate of 50 g/min and concentration ratio of 20. However at CR=20, Vw=1m/s and Ta=30oC a significant damage of the conventional solar cell structure will occurs if no effective cooling technique is used. Moreover, the developed design of solar cell achieves a higher CPVT-system thermal efficiency compared with the conventional one. 1. INTRODUCTION

    The generic crystalline silicon solar cells have been the most popular commercial material that converts solar energy

    directly into electricity. However, the conversion efficiency of such solar cells is limited. In addition, the high capital cost of such devices is another drawback. One proposed way to reduce the cost of solar electricity production systems is to replace some expensive