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Optimization of N-PERT Solar Cell under Atacama Desert Solar Spectrum.

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Title: Optimization of N-PERT Solar Cell under Atacama Desert Solar Spectrum.
Authors: Ferrada, Pablo1 (AUTHOR) pablo.ferrada@uantof.cl, Marzo, Aitor2 (AUTHOR), Ferrández, Miriam Ruiz3,4 (AUTHOR), Reina, Emilio Ruiz5 (AUTHOR), Ivorra, Benjamin6 (AUTHOR), Correa-Puerta, Jonathan7 (AUTHOR), Campo, Valeria del7,8 (AUTHOR)
Source: Nanomaterials (2079-4991). Oct2022, Vol. 12 Issue 20, p3554-N.PAG. 18p.
Subjects: Solar spectra, Solar radiation, Deserts, Photovoltaic power systems, Genetic algorithms, Performance standards, Solar cells, Maximum power point trackers
Geographic Terms: Atacama Desert (Chile)
Abstract: In the Atacama Desert, the spectral distribution of solar radiation differs from the global standard, showing very high levels of irradiation with a particularly high ultraviolet content. Additionally, the response of photovoltaic (PV) technologies is spectrally dependent, so it is necessary to consider local conditions and type of technology to optimize PV devices since solar cells are usually designed for maximum performance under standard testing conditions (STC). In this work, we determined geometrical and doping parameters to optimize the power of an n-type bifacial passivated emitter and rear totally diffused solar cell (n-PERT). Six parameters (the thicknesses of cell, emitter, and back surface field, as well as doping concentration of emitter, base, and back surface field) were used to optimize the cell under the Atacama Desert spectrum (AM 1.08) and under standard conditions (AM 1.5) through a genetic algorithm. To validate the model, the calculated performance of the n-PERT cell was compared with experimental measurements. Computed and experimental efficiencies showed a relative difference below 1% under STC conditions. Through the optimization process, we found that different geometry and doping concentrations are necessary for cells to be used in the Atacama Desert. Reducing the thickness of all layers and increasing doping can lead to a relative increment of 5.4% in the cell efficiency under AM 1.08. Finally, we show the potential effect of metallization and the viability of reducing the thicknesses of the emitter and the back surface field. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Optimization of N-PERT Solar Cell under Atacama Desert Solar Spectrum.
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Oct2022, Vol. 12 Issue 20, p3554-N.PAG. 18p.
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  Data: <searchLink fieldCode="DE" term="%22Atacama+Desert+%28Chile%29%22">Atacama Desert (Chile)</searchLink>
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  Data: In the Atacama Desert, the spectral distribution of solar radiation differs from the global standard, showing very high levels of irradiation with a particularly high ultraviolet content. Additionally, the response of photovoltaic (PV) technologies is spectrally dependent, so it is necessary to consider local conditions and type of technology to optimize PV devices since solar cells are usually designed for maximum performance under standard testing conditions (STC). In this work, we determined geometrical and doping parameters to optimize the power of an n-type bifacial passivated emitter and rear totally diffused solar cell (n-PERT). Six parameters (the thicknesses of cell, emitter, and back surface field, as well as doping concentration of emitter, base, and back surface field) were used to optimize the cell under the Atacama Desert spectrum (AM 1.08) and under standard conditions (AM 1.5) through a genetic algorithm. To validate the model, the calculated performance of the n-PERT cell was compared with experimental measurements. Computed and experimental efficiencies showed a relative difference below 1% under STC conditions. Through the optimization process, we found that different geometry and doping concentrations are necessary for cells to be used in the Atacama Desert. Reducing the thickness of all layers and increasing doping can lead to a relative increment of 5.4% in the cell efficiency under AM 1.08. Finally, we show the potential effect of metallization and the viability of reducing the thicknesses of the emitter and the back surface field. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.3390/nano12203554
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 18
        StartPage: 3554
    Subjects:
      – SubjectFull: Solar spectra
        Type: general
      – SubjectFull: Solar radiation
        Type: general
      – SubjectFull: Deserts
        Type: general
      – SubjectFull: Photovoltaic power systems
        Type: general
      – SubjectFull: Genetic algorithms
        Type: general
      – SubjectFull: Performance standards
        Type: general
      – SubjectFull: Solar cells
        Type: general
      – SubjectFull: Maximum power point trackers
        Type: general
      – SubjectFull: Atacama Desert (Chile)
        Type: general
    Titles:
      – TitleFull: Optimization of N-PERT Solar Cell under Atacama Desert Solar Spectrum.
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              Text: Oct2022
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