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Title:
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Light and current induced degradation in p-type multi-crystalline cells and development of an inspection method and a stabilization method
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Author(s):
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Published by:
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Publication date:
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ECN
Solar Energy
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24-9-2012
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ECN report number:
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Document type:
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ECN-M--12-053
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Conference Paper
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Number of pages:
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Full text:
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5
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Download PDF
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Abstract:
Stable solar cells are needed for durability testing of different combinations of module materials. In such a test, significant power losses in full-size modules with multi-crystalline cells after thermal cycling have been observed. This has been related to degradation of the solar cells used and it appeared that this was caused by current induced degradation. This phenomenon is not limited to boron doped Cz-Si, but can also occur in p-type multi-crystalline silicon. Work was done to develop an incoming inspection method for new batches of cells. Also, stabilisation procedures for modules containing cells that are sensitive to degradation have been determined.
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