en.Wedoany.com Reported - Germany's Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE) has opened a new laboratory called Pero-Si-SCALE, aimed at advancing the commercialization of perovskite-silicon tandem solar cells. The laboratory primarily helps European solar manufacturers scale tandem cell designs from laboratory size to industry-standard production, supporting large-area wafer processing, performance analysis, and manufacturing methods compatible with existing production lines.

Perovskite-silicon tandem cells combine an ultra-thin perovskite layer with a conventional silicon cell, raising the theoretical efficiency limit from 29.4% for standard silicon cells to 43.3%. Fraunhofer ISE has already adopted a hybrid production process, achieving a conversion efficiency of over 33% in the laboratory. A key advantage of this technology is its compatibility with textured silicon solar cells, allowing manufacturers to integrate tandem technology into existing infrastructure and increase energy output.

The new facility also leverages twenty years of silicon photovoltaic manufacturing experience from Fraunhofer ISE's Photovoltaic Technology Evaluation Center (PV-TEC) to develop optimized silicon bottom cells for tandem applications. Industry observers believe the laboratory will strengthen Europe's competitiveness in the field of high-efficiency solar energy, bringing new opportunities to the regional photovoltaic manufacturing sector.

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