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Alba - Development of High-Efficiency Multi-Crystalline Si EWT Solar Cells for Industrial Fabrication at Q-Cells
C. Peters, P. Engelhart, M. Hlusiak, R. Wade, R. Jesswein, D. Rychtarik, J.W. Müller, C. Ulzhöfer, S. Spätlich, T. Neubert, N.P. Harder, C. Schmiga, D. Kray, A. Grohe, S.W. Glunz
High Efficiency, Emitter Wrap-Through (EWT), Multicrystalline-Silicon
Wafer-Based Silicon Solar Cells and Materials Technology
Subtopic: Mono- and Multicrystalline Silicon Cells and Materials, Processing Technology of
Event: 23rd European Photovoltaic Solar Energy Conference and Exhibition, 1-5 September 2008, Valencia, Spain
Session: 2AO.1.6
1010 - 1013
ISBN: 3-936338-24-8
Paper DOI: 10.4229/23rdEUPVSEC2008-2AO.1.6
0,00 EUR
Document(s): paper


The goal of the project Alba is the development and fabrication of EWT solar cells on multi-crystalline silicon with a clearly increased cell efficiency compared to standard industrial Si cells. The project lays special focus on the development of industrially applicable processes. Exemplary realisation of advanced process steps for the fabrication of EWT cells which are suitable for mass production of high efficiency solar cells is shown in this paper. First results of the successful demonstration of the cell design on a laboratory scale are presented while the introduction of the cell concept into pilot production at Q-Cells’s new Reiner Lemoine Research Centre is announced.