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  4. Efficiency Potential of P-Type PERT vs. PERC Solar Cells
 
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2018
Conference Paper
Title

Efficiency Potential of P-Type PERT vs. PERC Solar Cells

Abstract
We present an efficiency potential analysis of passivated emitter and rear cells (PERC) and passivated emitter and rear totally diffused (PERT) cells, based on numerical simulations covering a wide range of parameters using a state-of-the-art design of experiment and metamodeling approach. We make full use of the metamodel and optimize the rear contact distance in each simulation by defining it as a free variable. PERT solar cells are simulated respecting free carrier absorption at the boron doped back surface field (BSF). As a result, PERC cells show the highest overall efficiency at a low base resistivity of r b = 0.5 Ocm, whereas for r b > 1.5 Ocm PERT cells exceed the efficiency of the respective PERC cells.
Author(s)
Meier, S.
Wasmer, Sven
Fell, Andreas  
Wöhrle, Nico  
Greulich, Johannes M.  
Wolf, Andreas  
Mainwork
IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018  
Conference
World Conference on Photovoltaic Energy Conversion (WCPEC) 2018  
Photovoltaic Specialists Conference (PVSC) 2018  
Photovoltaic Science and Engineering Conference (PVSEC) 2018  
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) 2018  
DOI
10.1109/PVSC.2018.8547393
Language
English
Fraunhofer-Institut für Solare Energiesysteme ISE  
Keyword(s)
  • Photovoltaik

  • Silicium-Photovoltaik

  • Dotierung und Diffusion

  • Oberflächen: Konditionierung

  • Passivierung

  • Lichteinfang

  • Messtechnik und Produktionskontrolle

  • metamodel

  • PERC

  • PERT

  • simulation

  • Quokka3

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