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Title:
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Enablers for IBC: integral cell and module development and implementation in PV industry
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Author(s):
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Cesar, I.; Guillevin, N.; Mewe, A.A.; Spinelli, P.; Burgers, A.R.; Rosca, V.; Okel, L.A.G.; Geerligs, L.J.; Weeber, A.W.; Sawallich, S.; Nagel, M.
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Published by:
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Publication date:
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ECN
Solar Energy
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1-10-2017
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ECN report number:
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Document type:
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ECN-W--17-029
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Article (scientific)
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Number of pages:
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8
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Published in: Energy Procedia (Elsevier), , 2017, Vol.Volume 124, September, p.834-841.
Abstract:
An integral solar cell and module concept is developed based on an IBC cell design with a front floating emitter (FFE). The FFE renders the cell resilient to electrical shading and reduces the demands on feature size. The cells are bi-facial by design. We interconnected 6” IBC cells using a conductive back sheet foil, resulting in a visually appealing mono-facial solar module. The IBC cells are made using a process close to existing industrial n-PERT processing, their production in an industrial pilot line has been demonstrated. The cells can be produced at the cost level of a PERC cell. The paper shows how the current cell efficiency of 21.1% cell will be increased beyond 22% in 2017 and what enablers are required to industrialize this concept. One such enabler we report on is high resolution Rsheet mapping using near-field THz scanning.
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