The contribution onion shells protect solar systems from Felix Baumann UV radiation first appeared on Basic Thinking. You always stay up to date with our newsletter.
Solar systems need sunlight to generate electrical energy. The UV radiation of the sun is bothering them. However, onion shells promise protection – more than conventional layers of petroleum.
Have researchers from the University of Turku in Finland An environmentally friendly methodto protect solar cells from harmful UV radiation. Your recipe: nanocellulose and red onion shells. This may sound unusual, but the protective layer could replace petrol-based UV protective films that have so far been standard in the solar industry.
The new protective film is based on tiny cellulose fibers made of vegetable raw materials. The researchers combined them with natural UV blockers and extracts from red onions. The result is a UV protection from onion shells, which blocks 99.9 percent of UV radiation up to 400 nanometers and even cuts off better than many conventional plastic films such as PET.
Onion shells protect solar systems from UV radiation
A common problem with natural UV protectors is their color because it reduces the light permeability in the visible range. This is a real obstacle for solar cells. The new UV protection from onion shells overcomes this problem. It reliably blocks harmful UV rays and at the same time makes over 80 percent of the visible and infrared light pass. These are exactly the areas that need solar cells for electricity generation.
The researchers tested the UV protection from onion shells for over 1,000 hours under artificial UV radiation. This corresponds to sunlight in Central Europe for about a year. In contrast to other bio-based UV materials, the protective effect of the onion-based film remained stable and effective.
Use also conceivable for packaging
In addition to use in solar cells, in particular sensitive types such as dye or perow skiels, the researchers also see other areas of application. Examples are biodegradable packaging, medical wound care or UV-sensitive sensors.
In the long term, the researchers pursue the goal of developing completely biodegradable solar cells that manufacturers should be able to integrate directly into packaging. This can be smart food packaging with an integrated energy supply.
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As a Tech Industry expert, I find the concept of using onion shells to protect solar systems from UV radiation to be quite innovative and intriguing. Onions are known to have natural antioxidant properties that can potentially shield solar panels from the damaging effects of UV rays. This could be a cost-effective and environmentally friendly solution to prolong the lifespan and efficiency of solar systems.
However, further research and testing would be needed to determine the effectiveness of onion shells in this application. It would be important to consider factors such as the durability and longevity of the onion shells, as well as their impact on the overall performance of the solar panels.
Overall, I believe that exploring unconventional solutions like using onion shells to protect solar systems demonstrates the creativity and potential for innovation within the tech industry. It will be interesting to see how this idea develops and whether it could become a viable option for solar panel protection in the future.
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