Efficiency of Laser-Shaped Photovoltaic Cells

Ewa Korzeniewska, Mariusz Tomczyk, Łukasz Pietrzak, Miralem Hadžiselimović, Bojan Štumberger, Klemen Sredenšek and Sebastijan Seme
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Ewa Korzeniewska: Institute of Electrical Engineering Systems, Lodz University of Technology, 18/22 Stefanowskiego, 90-924 Lodz, Poland
Mariusz Tomczyk: Institute of Electrical Engineering Systems, Lodz University of Technology, 18/22 Stefanowskiego, 90-924 Lodz, Poland
Łukasz Pietrzak: Institute of Mechatronics, Lodz University of Technology, 18/22 Stefanowskiego, 90-924 Lodz, Poland
Miralem Hadžiselimović: Faculty of Energy Technology, University of Maribor, Hočevarjev trg 1, SI-8270 Krško, Slovenia
Bojan Štumberger: Faculty of Energy Technology, University of Maribor, Hočevarjev trg 1, SI-8270 Krško, Slovenia
Klemen Sredenšek: Faculty of Energy Technology, University of Maribor, Hočevarjev trg 1, SI-8270 Krško, Slovenia
Sebastijan Seme: Faculty of Energy Technology, University of Maribor, Hočevarjev trg 1, SI-8270 Krško, Slovenia

Energies, 2020, vol. 13, issue 18, 1-13

Abstract: The main aim of this paper is to analyze the influence of laser shaping of the photovoltaic cell based on its efficiency. The authors described both process of the monocrystalline photovoltaic cell manufacturing, its efficiency, and the possibilities of usage in architecture and the process of creating the photovoltaic cells of unconventional shapes by using laser technology. A method for cutting photovoltaic cells using a fiber laser was presented as well as the parameters of the laser cutting process. The described method allows cutting the massively produced silicon cells according to the predetermined trajectory. Using the proposed process parameters, satisfactory cutting edge quality, and negligible impact of the laser beam on changes in the structure of the photovoltaic cell active layers were achieved. In each cycle of structure cutting, only a small part of the material is removed (from 1 to 2 μm), and depending on the thickness, the process is repeated from 50 to 300 times. It has been shown that the efficiency of the modified cells depends on the ratio of their surface area to the laser cutting line.

Keywords: photovoltaic cells; efficiency; photovoltaic cell modification; laser modification; silicon cells (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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