All-aluminum screen-printed IBC cells: Design concept

Author

Basore, Paul A. ; Van Kerschaver, Emmanuel ; Cabanas-Holmen, Kirsten ; Hummel, Johannes ; Yafu Lin ; Murcia, C. Paola ; Fisher, K. ; Baker-Finch, Simeon ; Park, Oun-Ho ; Dross, Frederic ; Schmich, Evelyn ; Wittmann, Wibke ; Noorai, Venus ; Patel, Dinesh

Author_Institution

Hanwha Solar America, Santa Clara, CA, USA

fYear

2013

fDate

16-21 June 2013

Abstract

A design concept supported by numerical device modeling is presented for a p-type IBC cell with screen-printed aluminum for both contact polarities. Applying such a design to Cz silicon appears to offer cell efficiency exceeding 20%. The key enabling feature for this design is cleaving each cell into strips held together by tape. These strips are then connected electrically in series using extrusion printing after the strips are laminated to the module glass. The resulting module technology is called SPLICE, for “Screen Printed Locally Interdigitated Contact Elements”.

Keywords

aluminium; electrical contacts; elemental semiconductors; extrusion; glass; modules; photovoltaic cells; printing; silicon; solar cells; Al-Si; SPLICE; all-aluminum screen-printed IBC cell; contact polarity; extrusion printing; module glass technology; numerical device modeling; p-type IBC cell; photovoltaic solar cell; screen printed locally interdigitated contact element; strips; Aluminum; Silicon; Strips; Surface resistance; Surface treatment; IBC; Photovoltaic cells; aluminum; silicon;

fLanguage

English

Publisher

ieee

Conference_Titel

Photovoltaic Specialists Conference (PVSC), 2013 IEEE 39th

Conference_Location

Tampa, FL

Type

conf

DOI

10.1109/PVSC.2013.6744289

Filename

6744289