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ECN publicatie:
Titel:
MWT "plug" metallization: improved performance and process stability of PUM and ASPIRE cells
 
Auteur(s):
Mewe, A.A.; Romijn, I.G.; Wijnen, P.; Donker, M.N. van den; Eijk, P. van; Kerp, H.; Shaikh, A.; Weeber, A.W.
 
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 4-2-2008
 
ECN publicatienummer: Publicatie type:
ECN-M--08-005 Conferentiebijdrage
 
Aantal pagina's: Volledige tekst:
4 Download PDF  (463kB)

Gepresenteerd op: 23rd European Photovoltaic Solar Energy Conference and Exhibition, Valencia, Spain, 1-5 september 2008.

Samenvatting:
In this paper we present an alternative to our metal-wrap-through “PUM” metallization concept that simplifies the cell process and thereby reduces manufacturing costs. The simplified printing step allows complete filling of the holes with a specially designed conductive paste. With this “plug” concept of closed PUM holes we achieved a feasible, more stable process, performing better than the reference PUM process by showing an absolute increase of 0.2% in efficiency. In this form, the PUM process showed to be industrially feasible. The implementation of the plug metallization in the ASPIRe cell concept was successful as well. The first “plug” ASPIRe cells performed as well as expected from the PUM results, showing a maximum efficiency of 15.9%. Keywords: metal-wrap-through, bifacial, plug metallization


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