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Multi-Wire Interconnection of Busbarless Solar Cells with Embedded Electrode Sheet

Author

Listed:
  • Jeong Eun Park

    (Department of Electronic Engineering, Korea National University of Transportation, Chungju 27909, Korea)

  • Won Seok Choi

    (Department of IT Convergence, Korea National University of Transportation, Chungju 27909, Korea)

  • Dong Gun Lim

    (Department of Electronic Engineering, Korea National University of Transportation, Chungju 27909, Korea
    Department of IT Convergence, Korea National University of Transportation, Chungju 27909, Korea)

Abstract

The module technology proposed in this paper is used to fabricate a wire embedded ethyl vinyl acetate (EVA) sheet module by applying a cell/module integrated process in which the cell and wire are bonded during the lamination process. A wire-embedded EVA sheet module was fabricated using a busbarless cell and SnBiAg wire. As a result of the module characteristics corresponding to the lamination process temperature, the highest efficiency of 19.55% was observed at 170 °C. The lowest contact resistivity between the wire and the finger electrode was shown under a temperature condition of 170 °C, which was confirmed to increase the efficiency owing to an improvement of the fill factor with an excellent electrical contact.

Suggested Citation

  • Jeong Eun Park & Won Seok Choi & Dong Gun Lim, 2021. "Multi-Wire Interconnection of Busbarless Solar Cells with Embedded Electrode Sheet," Energies, MDPI, vol. 14(13), pages 1-19, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:13:p:4035-:d:588352
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    References listed on IDEAS

    as
    1. Kaushika, N.D. & Rai, Anil K., 2007. "An investigation of mismatch losses in solar photovoltaic cell networks," Energy, Elsevier, vol. 32(5), pages 755-759.
    2. Ewa Korzeniewska & Mariusz Tomczyk & Łukasz Pietrzak & Miralem Hadžiselimović & Bojan Štumberger & Klemen Sredenšek & Sebastijan Seme, 2020. "Efficiency of Laser-Shaped Photovoltaic Cells," Energies, MDPI, vol. 13(18), pages 1-13, September.
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