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ECN publicatie:
Titel:
Parameter study for polymer solar modules based on various cell lengths and light intensities
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 30-9-2013
 
ECN publicatienummer: Publicatie type:
ECN-M--13-038 Conferentiebijdrage
 
Aantal pagina's: Volledige tekst:
5 Download PDF  (262kB)

Samenvatting:
Polymer solar cells may be applied in portable electronic devices, where light intensity and spectral distribution of the illuminating source can be very different compared to outdoor applications. As the power output of solar cells depends on temperature, light intensity and spectrum, the design of the module must be optimized for the specific illumination conditions in the different applications. The interconnection area between cells in a module must be as narrow as possible to maximize the active area, also called geometrical fill factor, of the module. Laser scribing has the potential to realize this. The optimal width of the interconnection zone depends both on technological limitations, e.g. laser scribe width and the minimal distance between scribes, and electrical limitations like resistive losses. The latter depends on the generated current in the cell and thus also on illumination intensity. Besides that, also the type of junction, i.e. a single or tandem junction, will influence the optimal geometry. In this paper a calculation model is presented that can be used for electrical modeling of polymer cells and modules in order to optimize the performance for the specific illumination conditions.


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