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Titel:
Influence of feedstock on c-Si module cost
 
Auteur(s):
Coso, Gonzalo del; Canizo, C. del; Sinke, W.C.
 
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 21-9-2009
 
ECN publicatienummer: Publicatie type:
ECN-M--09-039 Conferentiebijdrage
 
Aantal pagina's: Volledige tekst:
4 Download PDF  (142kB)

Gepresenteerd op: 24th European Photovoltaic Solar Energy Conference and Exhibition, Hamburg, Germany, 21-25 september 2009.

Samenvatting:
This paper analyzes the impact of solar silicon feedstock alternatives on the wafer-based crystalline silicon photovoltaic (PV) module cost. As the impact of feedstock affects the whole manufacturing chain of a PV technology, its technological steps need to be defined. This is done with a number of roadmap scenarios that have been defined in the CrystalClear project. Advanced Basepower is defined as the reference technology, developed in a high throughput plant (300-500 MWp/a) which is built now with state-of-the-art technology, and ready to operate in 2011. Six more advanced technologies, two multicrystalline, two monocrystalline, one ribbon technology, and one wafer-equivalent technology are also defined. Regarding Advanced Basepower technology, the cost advantage of using low-cost feedstock (10€/kg) instead of high-cost feedstock (30€/kg) is lost if the cell efficiency is reduced, due to quality degradation, by an absolute 1.7%.


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