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Title:
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17.9% Metal-Wrap-Through mc-Si cells resulting in module efficiency of 17.0%
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Author(s):
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Lamers, M.W.P.E.; Tjengdrawira, C.; Koppes, M.; Bennett, I.J.; Bende, E.E.; Visser, T.P.; Kossen, E.J.; Brockholz, B.; Mewe, A.A.; Romijn, I.G.; Sauar, E.; Carnel, L.; Julsrud, S.; Naas, T.; Jong, P.C. de; Weeber, A.W.
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Published by:
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Publication date:
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ECN
Solar Energy
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1-12-2010
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ECN report number:
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Document type:
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ECN-W--10-063
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Article (scientific)
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Number of pages:
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12
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Published in: Progress in Photovoltaics: Research and Applications (John Wiley & Sons Ltd.), , 2011, Vol.online, p.-.
Abstract:
We obtained 17.9% cell efficiency on thin and large mc-Si REC wafers using ECN’s metal-wrap-through (MWT) concept. Optimization of several cell processing steps led to an increase of more than 2% absolute in cell efficiency. With these cells 36-cell modules were manufactured at 100% yield in our industry scale module pilot line. The highest module efficiency obtained (as independently confirmed by JRC-ESTI) was 17%. In this module the average cell efficiency was 17.8%; this shows a small difference between cell and module efficiency. Copyright # 2011 John Wiley & Sons, Ltd.
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