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  4. Influence of the metallization process on the strength of silicon solar cells
 
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2009
Conference Paper
Title

Influence of the metallization process on the strength of silicon solar cells

Abstract
The reduction of costs by decreasing the breakage rate is one major purpose of research in solar cell production technology. In order to achieve this, the level of wafer strength during manufacturing should be as high as possible. Fractures of solar cells were observed along the region where, on the rear side of the cell, the aluminum electrode print overlaps the silver-aluminum. Also, strength investigations gave indications that the strength in this special area is rather low in comparison to the situation at other areas of the solar cell. In the present work specific material and geometry related configurations of the electrodes and particularly their overlap were analyzed relating to the geometrical and material influences to the strength behavior of solar cells. A contribution to the clarification of the mechanisms leading to the observed fracture events was made.
Author(s)
Kohn, Cordula
Fraunhofer-Institut für Werkstoffmechanik IWM  
Kübler, Rainer  
Fraunhofer-Institut für Werkstoffmechanik IWM  
Krappitz, Martin
Fraunhofer-Institut für Werkstoffmechanik IWM  
Kleer, Günter
Fraunhofer-Institut für Werkstoffmechanik IWM  
Reis, Isolde
Fraunhofer-Institut für Solare Energiesysteme ISE  
Retzlaff, Marc
Fraunhofer-Institut für Solare Energiesysteme ISE  
Erath, Denis
Fraunhofer-Institut für Solare Energiesysteme ISE  
Biro, Daniel  
Fraunhofer-Institut für Solare Energiesysteme ISE  
Mainwork
24th European Photovoltaic Solar Energy Conference 2009. CD-ROM  
Project(s)
Ressourcenschonende und schädigungsarme Herstellungsprozesse in der Solarzellen-Technologie  
Funder
Bundesministerium für Wirtschaft und Klimaschutz -BMWK-
Conference
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) 2009  
File(s)
Download (254.06 KB)
DOI
10.24406/publica-r-364766
10.4229/24thEUPVSEC2009-2CV.2.4
Language
English
Fraunhofer-Institut für Solare Energiesysteme ISE  
Fraunhofer-Institut für Werkstoffmechanik IWM  
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