Researchers at the Fraunhofer Institute for Solar Energy Systems ( Fraunhofer ISE ) in Germany have developed an innovative material that aims to improve the integration of solar panels into electric vehicles ( VIPV ). By implementing glass fiber reinforced polymers ( GRP ), these new photovoltaic modules are 74% lighter and, at the same time, highly resistant to hail.
A breakthrough in hail-proof solar panels
The study reflects the advantages of GRP , demonstrating how this material outperforms glass covers, offering significant weight reduction, without compromising quality such as strength. “ The high optical coupling achieved is extraordinary and aroused great interest at the PVinMotion 2024 Conference ,” said André Schüler, author of the study.
The GRP cover is highly efficient at capturing sunlight , while offering durability – a vital feature for vehicles exposed to extreme weather conditions. During testing, the GRP modules demonstrated their ability to withstand hail impacts, without compromising the integrity of the solar cells. With minimal loss of optical efficiency, the new material becomes a tempting option in future developments in automotive solar energy.
Unlike modules with polymeric face sheets , impact experiments indicated fewer cracks and better mechanical strength. This ensures sustained performance, ideal for integration into the structure of electric vehicles.
The study is still in the experimental phase. However, researchers are optimising the manufacturing process to scale up production of these lightweight and resistant covers. If the GRP sheets are produced efficiently, they could replace current modules, becoming part of the standard for laminating solar modules.
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Source and photo: Fraunhofer ISE
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