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Influence of Passivation and Solar Cell Configuration on the Electrical Parameter Degradation of Photovoltaic Modules

Author

Listed:
  • Izete Zanesco

    (Solar Energy Technology Nucleus (NT-Solar), School of Technology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90619-900, RS, Brazil)

  • Adriano Moehlecke

    (Solar Energy Technology Nucleus (NT-Solar), School of Technology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90619-900, RS, Brazil)

  • Jeferson Ferronato

    (Solar Energy Technology Nucleus (NT-Solar), School of Technology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90619-900, RS, Brazil)

  • Moussa Ly

    (Solar Energy Technology Nucleus (NT-Solar), School of Technology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90619-900, RS, Brazil)

  • João Victor Zanatta Britto

    (Solar Energy Technology Nucleus (NT-Solar), School of Technology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90619-900, RS, Brazil)

  • Bruno Inácio da Silva Roux Leite

    (Solar Energy Technology Nucleus (NT-Solar), School of Technology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90619-900, RS, Brazil)

  • Taila Cristiane Policarpi

    (Solar Energy Technology Nucleus (NT-Solar), School of Technology, Pontifical Catholic University of Rio Grande do Sul (PUCRS), Porto Alegre 90619-900, RS, Brazil)

Abstract

This article analyses and compares the influence of p-type Cz-Si solar cells produced with and without Al-BSF and silicon oxide passivation on the degradation of the electrical parameters of PV modules, after 77 months under operating conditions in a PV system. Solar cells were manufactured at a pilot plant-scale facility, and 32 PV modules with silicon oxide passivated emitter and Al-BSF solar cells were assembled. The other group was composed of 28 PV modules produced with n + pn + solar cells. The I–V curves of the PV modules were measured under standard test conditions before and after 77 months of exposure. In both groups, the short-circuit current presented higher degradation, and the open-circuit voltage showed low reduction. However, the degradation of these electrical parameters was lower in PV modules assembled with a passivated emitter and Al-BSF solar cells. Consequently, the power degradation rate of PV modules with passivated emitter n + pp + and n + pn + solar cells was 0.29% and 0.66% per year, respectively. The milky pattern was observed at the edge of all solar cells and was related to titanium dioxide antireflective coating modification and laser isolation processing.

Suggested Citation

  • Izete Zanesco & Adriano Moehlecke & Jeferson Ferronato & Moussa Ly & João Victor Zanatta Britto & Bruno Inácio da Silva Roux Leite & Taila Cristiane Policarpi, 2024. "Influence of Passivation and Solar Cell Configuration on the Electrical Parameter Degradation of Photovoltaic Modules," Energies, MDPI, vol. 17(4), pages 1-10, February.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:4:p:832-:d:1336630
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    References listed on IDEAS

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    1. Mik, Krzysztof & Bugaj, Marcin & Chaja, Patryk, 2021. "The evaluation of the snail track affected photovoltaic modules by different methods after 3-year operating in central Poland," Renewable Energy, Elsevier, vol. 163(C), pages 504-516.
    2. Luo, Wei & Clement, Carlos Enrico & Khoo, Yong Sheng & Wang, Yan & Khaing, Aung Myint & Reindl, Thomas & Kumar, Abhishek & Pravettoni, Mauro, 2021. "Photovoltaic module failures after 10 years of operation in the tropics," Renewable Energy, Elsevier, vol. 177(C), pages 327-335.
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    Cited by:

    1. Moehlecke, Adriano & Zanesco, Izete & Zanatta Britto, João Victor & Ly, Moussa & Decian, Gabriel Eduardo & da Silva, Lucas Teixeira Caçapietra Pires & Sganzerla, João Manoel Raupp & Roux Leite, Bruno , 2025. "Degradation analysis of photovoltaic modules with solar cells manufactured with SiO2 + TiO2 thin films," Renewable Energy, Elsevier, vol. 244(C).

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