Laser-welded interconnection of screen-printed Si solar cells

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Schulte-Huxel, H.; Blankemeyer, S.; Steckenreiter, V.; Kajari-Schroeder, S.; Brendel, R.: Laser-welded interconnection of screen-printed Si solar cells. In: Energy Procedia 55 (2014), S. 356-360. DOI: https://doi.org/10.1016/j.egypro.2014.08.102

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Sum total of downloads: 430




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Abstract: 
We demonstrate the laser welding of Al interconnects to the BSF rear-side of screen-printed two-side-contacted solar cells. The Al paste on the rear side of solar cell is laser-welded to an Al foil. This reduces the silver consumption of the solar cells by making silver pads on the rear side obsolete. Our proof-of-concept modules are free of laser damage. A 3-cell-module from 6" solar cells shows no change in fill factor within the statistical measurement uncertainty after artificial aging in 500 humidityfreeze cycles.
License of this version: CC BY-NC-ND 3.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2014
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 353 82.09%
2 image of flag of China China 26 6.05%
3 image of flag of United States United States 17 3.95%
4 image of flag of United Kingdom United Kingdom 12 2.79%
5 image of flag of Netherlands Netherlands 4 0.93%
6 image of flag of Russian Federation Russian Federation 2 0.47%
7 image of flag of Poland Poland 2 0.47%
8 image of flag of Latvia Latvia 2 0.47%
9 image of flag of France France 2 0.47%
10 image of flag of Taiwan Taiwan 1 0.23%
    other countries 9 2.09%

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