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FoilMet® - Connect: A New Rear Metallization Upgrade for PERC and other Cell Concepts

: Paschen, Jan Tobias; Emanuel, Gernot; Brand, Andreas; Fellmeth, Tobias; Rose, Angela de; John, Oliver; Nekarda, Jan

Volltext urn:nbn:de:0011-n-5782466 (876 KByte PDF)
MD5 Fingerprint: 8d0310d6b64e33ed89259714ce473ada
Copyright AIP
Erstellt am: 29.05.2020

Tous, L. ; American Institute of Physics -AIP-, New York:
8th Workshop on Metallization and Interconnection for Crystalline Silicon Solar Cells 2019. Proceedings : 13-14 May 2019, Konstanz, Germany
Woodbury, N.Y.: AIP, 2019 (AIP Conference Proceedings 2156)
ISBN: 978-0-7354-1901-8
Art. 020004, 6 S.
Workshop on Metallization & Interconnection for Crystalline Silicon Solar Cells <8, 2019, Konstanz>
Bundesministerium fur Wirtschaft und Energie BMWi (Deutschland)
0325574; FolMet
Folienbasierte Metallisierung von c-Si Solarzellen
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()
Photovoltaik; Silicium-Photovoltaik; Pilotherstellung von industrienahen Si-Solarzellen; 1-01-11 Technologiebewertung; PERC; metallization; laser

In this contribution the novel aluminum foil based rear metallization technology FoilMet® - Connect is introduced. With this technology, we combine the optical advantages of a foil metallized rear, known from FoilMet® - Classic and the high voltages of screen printed and furnace fired contacts usually applied in industrial PERC. The applied paste volume is reduced in the FoilMet® - Connect technology which we show to come with benefits in contacts formation during the firing process in a standard belt furnace. With this technology, we report an improvement in cell efficiency by Δη = (0.25±0.15) %abs over a mono facial screen printed PERC. Therefore it is a high efficiency upgrade for most monofacial cell concepts based on screen printed metallization.