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ECN publication
Reaching 16.4 % module efficiency with back-contacted mc-Si solar cells
Published by: Publication date:
ECN Solar Energy 21-9-2009
ECN report number: Document type:
ECN-M--09-032 Conference Paper
Number of pages: Full text:
4 Download PDF  

Presented at: 24th European Photovoltaic Solar Energy Conference and Exhibition, Hamburg, Germany, 21-25 september 2009.

We obtained 17.6% cell efficiency on 160 µm and 17.1% on 120 µm thin multicrystalline silicon screen printed cells of 156 x 156 mm2. These cells are the best from two batches of cells that have been produced using improved processing on ECN’s industrial metal-wrap-through (MWT) cell concept. With these batches of cells, four 36-cells modules were made: two modules with 160 ?m thin cells and two modules with 120 ?m thin cells. The module manufacturing, which is based on a conducting substrate foil, succeeded with 100% yield in our module pilot line. The modules were independently measured by TÜV Rheinland and JRC-ESTI, and resulted in a new certified world record module efficiency of 16.4% on an aperture area of 8904 cm2.

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