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Title:
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FoXy Development of solar-grade silicon feedstock for crystalline wafers and cells by purification and crystallization
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Author(s):
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Sabatino, M. di; Ovrelid, E.J.; Kopecek, R.; Binetti, S.; Mihailetchi, V.D.; Geerligs, L.J.; Vaernes, A.Nl
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Published by:
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Publication date:
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ECN
Solar Energy
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21-9-2009
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ECN report number:
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Document type:
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ECN-M--09-043
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Conference Paper
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Number of pages:
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Full text:
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4
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Download PDF
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Presented at: 24th European Photovoltaic Solar Energy Conference and Exhibition, Hamburg, Germany, 21-25 september 2009.
Abstract:
This work reports on the results obtained in the EU project FoXy (contract nr SES6-019811). FoXy has been carried out in the 6th Framework Program in the Sustainable Energy Systems. It consists of a Europe-wide consortium of small and medium size enterprises, research institutes and universities.
The project has aimed at developing cleaning and crystallisation processes for metallurgical SoG-Si feedstock, optimize associated cell and module processes, and set parameters for these types of feedstock. The major goals of the project have been: (i) achieve a significant cost reduction through more efficient cleaning processes for raw materials, (ii) secure high volume production of SoG-Si, (iii) develop recycling techniques for end-of-life products, (iv) shorten the energy payback time significantly, (v) manufacture wafers on a large-scale industrial production line 150x150mm2 aiming at 16-17% cell efficiency with increased yield. This work
summarizes the highlight results of this three-year project.
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