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Project "Rock-Star" - High-Speed Rotary Printing for Solar Cell Metallization: From Vision to Reality

: Lorenz, A.; Röth, J.; Zengerle, K.; Linse, M.; Klawitter, M.; Tepner, S.; Wirth, N.; Greutmann, R.; Lehner, M.; Senne, A.; Reukauf, D.; Mette, A.; Hage, F.; Drews, M.; Gombert, S.; Brocker, H.; Rohde, J.; Dörsam, E.; Clement, F.; Preu, R.

Poster urn:nbn:de:0011-n-6249009 (4.0 MByte PDF)
MD5 Fingerprint: 55d5488ea67afeb886625ac8e99e33e4
Erstellt am: 27.2.2021

Pearsall, Nicola (Editor):
37th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2020 : 07-11 September 2020, Online Conference
München: WIP, 2020
ISBN: 3-936338-73-6
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <37, 2020, Online>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()
Photovoltaik; silicon solar cell; Silicium-Photovoltaik; Metallisierung und Strukturierung; Pilotherstellung von industrienahen Si-Solarzellen

Within this work, we will present the machine concept and the first results of passivated emitter and rear contact (PERC) solar cells fabricated on an innovative high-throughput rotary printing demonstrator machine which has been developed within the research project »Rock-Star«. The machine is designed to perform the metallization of Silicon solar cells with a printing speed of up to 600 mm/s and a cycle time down to 0.45 s/wafer using a newly developed shuttle transport system. Within a first experiment, multicrystalline Silicon (mc-Si) PERC solar cells metallized on the rear side with rotary screen printed obtained a mean conversion efficiency of = 19.3 % which is on the same level as reference cells with standard flatbed screen printed rear side metallization ( = 19.3 %). Furthermore, a 9 cell demonstrator module with cells partly metallized on the demonstrator and SmartWire (SWCT) interconnection is presented.