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ECN publicatie: facebook
Titel:
Optimizing screen printed n-type solar cells towards 20% efficiency
 
Auteur(s):
Romijn, I.G.; Burgers, A.R.; Geerligs, L.J.; Carr, A.J.; Gutjahr, A.; Saynova - Oosterling, D.S.; Anker, J.; Koppes, M.; Fang,  Lang; Jingfeng, Xiong ; Gaofei, Li ; Zhuo, Xu; Hongfang, Wang; Zhiyan, Hu ; Venema, P.; Vlooswijk, A.H.G.
 
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 22-3-2012
 
ECN publicatienummer: Publicatie type:
ECN-M--12-009 Conferentiebijdrage
 
Aantal pagina's: Volledige tekst:
5 Download PDF  (253kB)

Gepresenteerd op: SolarCon China, Shanghai, , 20-22 maart 2012.

Samenvatting:
We present the status of our process development of silicon solar cells on n-type base material. Yingli Solar is manufacturing modules based on these cells, the Panda modules. We are constantly working on performance improvements, while maintaining low costs. In November 2011, we obtained a maximum solar cell conversion efficiency on n-type Cz at our ECN laboratory of 20.0% (239 cm2) (in house measurement). To our knowledge this is the highest efficiency obtained so far with cell processing based on homogeneous emitter diffusion and screen-printed metallization. In this paper, we present an update of our cell process development, focusing on rear surface passivation.


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