A Research Contributed Greatly to Solar Panel Market Demonstrating a Coating that is Snow Resistant and would help Increase Solar Panel's Efficiency in winters

• Analysis
• 03-January-2022

In today's society, renewable energy has acquired much traction. Governments and corporations worldwide have made significant investments and promotions in the area. Solar panels are amongst the most important contributions to renewable energy, and many buildings have begun to install them. However, snow is a significant issue in northern regions, limiting the efficiency of solar panels in generating electricity.

In recent tests, a team has shown that an affordable, clear coating prevented snow and ice accumulation on solar panels, allowing them to generate up to 85 percent more electricity. The breakthrough would be highly beneficial to the Solar Panel Market, as it would significantly increase solar panel production in cold climates.
In the winter, solar panels may lose up to 90% of their generating power. As a result, thinking up a way to create energy that would be consistent throughout the year was a fun challenge for the team.

Researchers stated, their prior coatings employed ice's weight against it because it is relatively dense and heavy. However, because snow is ten times less dense than ice, they weren't sure if the methods employed on ice would work on snow as well.

To discover the perfect coating, the researchers looked at two crucial features previously used to create ice-shedding coatings: low interfacial toughness and low adhesion strength. Slipperiness is the result of low surface adherence. Slipperiness alone works well on small surfaces, but the greater the surface, the more effort is necessary to slide snow and ice off it. One needs the means to break up the adhesion for larger areas completely. Low interfacial toughness causes breaks between the ice and the panel. These spread along with the panel, breaking the ice and snow, no matter how big.

PVC or PDMS plastic and silicon or vegetable-based oils are used to create the coating. In cold weather, it can be sprayed or brushed on, and in its current form, it can keep shedding snow and ice for up to a year.

The team added that if they can demonstrate their snow-resistant coating's long-term efficacy, solar power will be more reliable and economical in snowy locations. It may also help accelerate the world's transition to a solar-dominated energy system.
While the current version of the coating may be utilized right away, the team hopes to improve it further to create a covering that will last at least five years.

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