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ECN publication
Recent developments on low-cost industrial processing of n-type silicon solar cells
Weeber, A.W.; Burgers, A.R.; Guillevin, N.; Carr, A.J.; Barton, P.C.; Jingfeng, Xiong ; Gaofei, Li ; Weipeng, Song; Haijiao, An; Zhiyan, Hu ; Venema, P.; Vlooswijk, A.H.G.; Geerligs, L.J.
Published by: Publication date:
ECN Solar Energy 27-10-2010
ECN report number: Document type:
ECN-M--10-065 Conference Paper
Number of pages: Full text:
3 Download PDF  

Presented at: International Workshop on Science and Technology of Crystalline Silicon Solar Cells (CSSC-4), Taipei, Taiwan, 27-29 oktober 2010.

We present the status of our process development of n-type silicon solar cells, and progress towards its industrial implementation. For cells with a so-called H-pattern front side metallization independently confirmed efficiencies for Cz wafers of 18.65% (239 cm2) have been obtained, and since then, cells have already shown further improvement to more than 19%. To our knowledge these are the highest stable efficiencies obtained with industrial processing on 6 inch n-type wafers. We present an update of our process development, including efficiency improvements, transfer to 6 inch size, and key features of the current bifacial cells with H-pattern metallization. Results are illustrated with data from Yingli PANDA pilot production.

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