Status of FolMet technology: How to produce PERC cells more cheaply than Al-BSF cells

Published: October 27, 2016

By Jan Frederik Nekarda, Martin Graf, Oliver John, Sebastian Nold, Henning Nagel, Dirk Eberlein, Achim Kraft, Rico Böhme, André Streek & Ralf Preu, Fraunhofer Institute for Solar Energy Systems ISE, Freiburg; Innolas-Solutions GmbH, Krailling; Laserinstitut Mittweida, Mittweida, Germany

R&D activities related to solar cell production technology generally aim for higher cell efficiencies and lower production costs in order to decrease the levelized cost of electricity (LCOE). Today the passivated emitter
and rear cell (PERC) is poised to become the preferred state-of-the-art cell architecture. ‘FolMet’ technology – a new metallization and contacting upgrade – therefore has particular relevance to PERC gains.

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