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ECN publication
Cost reduction by using micro-fingers in thin film silicon modules
Published by: Publication date:
ECN Solar Energy 16-6-2013
ECN report number: Document type:
ECN-M--13-008 Conference Paper
Number of pages: Full text:
3 Download PDF  

A finite element electrical model is described that can be used to calculate the performance of monolithic thin film photovoltaic modules. The model is suitable for all type of thin film modules, like e.g. p-i-n a-Si:H, CIGS and polymer based modules and it includes losses due to interconnection. Using this model a parameter study is performed for a-Si:H cells with the aim to reduce metal consumption in the cell and interconnection. It is shown that a reduction in metal consumption by a factor 1.3 can be achieved with only marginal loss in performance if short cell are used with very short fingers.

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