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ECN publication
Title:
2D – Finite element model of a CIGS module
 
Author(s):
Janssen, G.J.M.; Slooff, L.H.; Bende, E.E.
 
Published by: Publication date:
ECN Solar Energy 3-6-2012
 
ECN report number: Document type:
ECN-M--12-017 Conference Paper
 
Number of pages: Full text:
5 Download PDF  

Abstract:
The performance of thin-film CIGS modules is often limited due to inhomogeneities in CIGS layers. A 2-dimensional Finite Element Model for CIGS modules is presented that predicts the impact of such inhomogeneities on the module performance. Results are presented of a module with a region of poor diode characteristics. It is concluded that according to this model the effects of poor diodes depend strongly on their location in the module and on their dispersion over the module surface. Due to its generic character the model can also be applied to other series connections of photovoltaic cells.


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