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TOPCon - Technology Options for Cost Efficient Industrial Manufacturing

: Kafle, B.; Goraya, B.S.; Mack, S.; Feldmann, F.; Nold, S.; Rentsch, J.


Pearsall, Nicola (ed.):
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>
Conference Paper
Fraunhofer ISE ()
Photovoltaik; Silicium-Photovoltaik; Technologiebewertung

Currently, PV industry is looking towards different technologically feasible options of transferring passivating contact or TOPCon cell concept from laboratory research towards industrial manufacturing. In this paper, we perform techno-economic assessment of industrial manufacturing of TOPCon-based solar cells after assessing various process routes based on currently production-ready and upcoming future alternative process technologies. Under given assumptions, TOPCon-concepts are found to remain economically competitive against bifacial PERC in terms of levelized cost of electricity (LCOE), if a minimum absolute gain in cell efficiency > 0.4- 0.6% can be maintained.