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Optimization of PERC fabrication based on loss analysis in an industrially relevant environment: First results from GUNAM photovoltaic line (GPVL)
Date
2020-02-01
Author
ES, FIRAT
SEMİZ, EMEL
Orhan, Efe
Genc, Ezgi
Kokbudak, Gamze
Baytemir, Gulsen
Turan, Raşit
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Passivated emitter and rear cell (PERC) concept with an already developed roadmap for 24% efficiency will be leading the photovoltaics industry in the upcoming years. In a few industrial pilot lines, efficiencies above 22% have already been attained. Pilot lines have important roles in bridging lab scale proven concepts with the products which are ready for mass production. Therefore, GUNAM Photovoltaic Line which is specialized on PERC concepts has been established to overcome the barriers that hinder the performance of c-Si solar cells in PERC concepts in a relevant environment. The aim of this article is to show how a loss analysis can be employed in a practical way in an industrially relevant environment. The analysis depends on the first results of the studies from 6 months ramp up period of GPVL A batch of standard PERC type solar cells with p-type base and atomic layer deposited Al2O3 rear passivation have been fabricated during the ramp up of the line. A detailed gain-loss analysis was performed to address the optical, electrical and recombination losses in order to increase the cell efficiency.
Subject Keywords
Renewable Energy, Sustainability and the Environment
URI
https://hdl.handle.net/11511/39018
Journal
RENEWABLE ENERGY
DOI
https://doi.org/10.1016/j.renene.2019.07.149
Collections
Department of Physics, Article