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Titel:
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Industrial n-type solar cells with >20% cell efficiency
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Auteur(s):
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Romijn, I.G.; Anker, J.; Burgers, A.R.; Gutjahr, A.; Heurtault, Benoit; Koppes, M.; Kossen, E.J.; Lamers, M.W.P.E.; Saynova - Oosterling, D.S.; Tool, C.J.J.
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Gepubliceerd door:
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Publicatie datum:
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ECN
Zonne-energie
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22-3-2013
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ECN publicatienummer:
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Publicatie type:
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ECN-M--13-005
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Conferentiebijdrage
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Aantal pagina's:
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Volledige tekst:
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7
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Download PDF
(247kB)
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Samenvatting:
To realize high efficiencies at low costs, ECN has developed the n-Pasha solar cell concept. The n-Pasha cell concept is a bifacial solar cell concept on n-Cz base material, with which average efficiencies of above 20% have been demonstrated. In this paper recent developments at ECN to improve the cost of ownership (lower Euro/Wp) of the n-Pasha cell concept are discussed. Two main drivers for the manufacturing costs of n-type solar cells are addressed: the n-type Cz silicon material and the silver consumption. We show that a large resistivity range between 2 and 8 cm can be tolerated for high cell efficiency, and that the costs due to the silver metallization can be significantly reduced while increasing the solar cell efficiency. Combining the improved efficiency and cost reduction makes the n-Pasha cell concept a very cost effective solution to manufacture high efficient solar cells and modules.
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