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Titel:
How to improve a multicrystalline silicon solar cell process with more than one percentage point resulting in an average cell efficiency of 17.2%
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 6-9-2010
 
ECN publicatienummer: Publicatie type:
ECN-M--10-016 Conferentiebijdrage
 
Aantal pagina's: Volledige tekst:
3 Download PDF  (156kB)

Gepresenteerd op: 25th European Photovoltaic Solar Energy Conference and Exhibition - 5th World Conference on Photovoltaic Energy Conversion, Valencia, Spain, 6-10 september 2010.

Samenvatting:
By replacing critical solar cell processing steps and optimizing the total process we succeeded in increasing the average cell efficiency by almost 1.5% to 17.2% with a maximum cell efficiency of 17.3%. This improvement is obtained by using industrial processes and equipment. Changes in the processing flow were: tube diffusion instead of inline diffusion, single side etch instead of laser isolation, optimized screen designs for the backside and double print for the front side grid. The most important factor for the increase in cell efficiency was integration of individual process steps into a balanced cell production process.


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