At InterSolar 2019, Fraunhofer ISE Unveiled Bifacial Shingle Solar Cell

At InterSolar 2019, Fraunhofer ISE Unveiled Bifacial Shingle Solar Cell

Fraunhofer ISE, based in Freiburg, Germany, as a pioneer R&D institute of solar energy, presented mono- and bi-facial monocrystalline solar cells at InterSolar 2019. These products have an edge length of 22 mm x 148 mm, partially overlapping each other in the module like shingles —a space-saving solution that leads to greater levels of efficiency. This type of cell is particularly suitable for integration into vehicles, for example, where every bit of available space counts. This is a new generation of this type of solar cells.
Passivated Emitter and Rear Contact (PERC) solar cells with foil metallization are based on technology developed by Fraunhofer ISE in which aluminum foil is welded to the silicon wafer by means of laser radiation. This simplified manufacturing process for creating rear-side contacts on PERC cells not only boosts efficiency, but it is also considerably less expensive than conventional procedures. During the process, individual laser pulses sent through the passivation layer alloy the aluminum film, welding it to the silicon. The contact points establish a mechanical and electrical connection between the foil electrode and the silicon wafer.
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Source:@Solar_Edition
Photo:ow.ly/dUvO50uIMtR
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Location: Fraunhofer ISE

Date: Jun 21, 2019 @ 09:20

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