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Innovative and efficient production processes for silicon solar cells and modules - SOLPRO IV

: Preu, R.; Emanuel, G.; Untiedt, D.; Klappert, S.; Schmidhuber, H.; Biro, D.; Voyer, C.; Wolke, W.; Schneiderlöchner, E.

Fulltext urn:nbn:de:0011-n-2097775 (224 KByte PDF)
MD5 Fingerprint: bd64af5446b6c4e3d399bf5dff54c250
Created on: 25.10.2012

Hoffmann, W.:
Nineteenth European Photovoltaic Solar Energy Conference 2004. Vol.1 : Proceedings of the international conference held in Paris, France, 7 - 11 June 2004
München: WIP, 2004
ISBN: 3-936338-14-0
ISBN: 88-89407-02-6
European Photovoltaic Solar Energy Conference <19, 2004, Paris>
Conference Paper, Electronic Publication
Fraunhofer ISE ()

The joint project of wafer, solar cell and solar module manufacturers and research institutes called "SOLPRO" has been continued. Within SOLPRO IV the "board of experts: innovative and efficient production processes for silicon photovoltaic modules" was composed of 13 German enterprises and scientifically supported and co-ordinated by the Fraunhofer ISE and the Fraunhofer IPT. The consortium of participating enterprises covers almost completely the production chain from the as-cut-wafer to the completed module both on the production side as well as on the equipment manufacturing side. The multidisciplinarity of the SOLPRO consortium creates a fruitful ground for the identification and assessment of optimisation and innovation potentials within the production technology based on cells and modules from silicon wafers. Within the different sub-projects various results have been obtained, which are summarised in this paper. For example thorough experiments on alternatives to the standard edge isolation process in a plasma barrel etcher have shown, that the use of a fast laser ablation process instead of standard plasma barrel etching can lead to a significantly improved material flow in a production scale environment while maintaining or even improving the cell efficiency.