New Sealing Methods Improve the Efficiency of Perovskite Solar Cells by 8 Percent

A Finnish research team has developed new sealing methods to improve the efficiency and durability of perovskite solar cells (PSC). The group from Aalto University and Tampere University focused on using calcium-based solar cells with polymethyl silicone (PDMS) to resist degradation caused by oxygen and water. These innovations resulted in an 8% improvement in solar cell efficiency compared to control devices. Stabilization tests confirmed the effectiveness of these methods in protecting solar cells.

Universal Applications for Solar Cell Stability

The researchers highlighted that their sealing technology has broad applications, providing stability and reducing optical loss in both stiff and flexible solar power systems. "Our technology addresses both instability and photodegradation issues in perovskite solar cells while offering flexibility and customization," said Seyede Marysavi, a lead author. The materials used do not require high-temperature processing or complex treatments, making the solution adaptable for various manufacturing processes.

The team selected an "ideal" perovskite solar cell capable of resisting both photo loss and degradation, using PDMS to cover the entire surface and sides of the solar battery. Their surfaces are treated using a pressure engraving plate that reduces reflections and increases smog. In the case of PDMS, the cells are dried up 5:1 compared to the volume of the monster cosmetic makers. the cream is based on scientific results on the surface of the backbones and proves their good optical and self-sustaining fitness.

Stabilization Tests Confirm Efficiency

Stabilization tests conducted under the ISOS protocol showed that the devices retained 80% of their initial capacity after 360 hours in conditions simulating oxygen and humidity exposure. Additional tests demonstrated durability under extreme conditions, including -17°C temperatures and average wind speeds of 7 m/s for 24 hours. Target devices showed an efficiency increase from 14.1% to 15.6%, marking an 8% improvement over reference devices.

A Sustainable Future for Perovskite Solar Cells

The study concluded that this innovative sealing technology offers a promising solution to reduce optical loss and external instability in calcium-based solar cells. "Our next step is to enhance the recyclability and sustainability of perovskite solar cells while ensuring real-world impact," said team member Musa. The researchers aim to commercialize their technology and seek partnerships to bring these innovations to the solar energy industry.

The findings, published in "Energy Todaks.de", provide a pathway to improve the performance and lifespan of solar batteries in renewable energy systems.

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