Cost reduction by using micro-fingers in thin film silicon modules

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. Us...

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Bibliographic Details
Main Authors: Slooff, Lenneke H., Bosman, Johan, Loffler, Jochen, Budel, Tristram
Format: Conference Proceeding
Language:English
Subjects:
amorphous materials
charge carrier lifetime
Mathematical model
Metals
Photovoltaic cells
Resistance
Silicon
Thumb
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Summary: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.
ISSN:0160-8371
DOI:10.1109/PVSC.2013.6744399