United States. A team of researchers from Harvard University invented a coating that would keep metal surfaces free of ice and frost.
The discovery has direct consequences for a wide range of metal surfaces, such as those used in aircraft, cooling systems, wind turbines, marine vessels and construction.
The group discovered that it was possible to create a surface that prevented ice generation using coatings inspired by the waterproof lotus leaf. However, this technique can fail under high humidity, because the surface textures are coated with condensation and frost.
To combat this problem, the researchers created a technology that adapts to extreme pressure and high humidity. It is a system designed with a molecularly flat liquid interface immobilized by a hidden nanostructured solid.
To demonstrate the robustness of the technology, the researchers successfully applied it to the cooling fins of the refrigerator and tested it in a prolonged, frozen condition. Compared to current "frost-free" cooling systems, their innovation prevents frost much more efficiently and for longer.
This new technology also helps reduce energy costs. This system to combat slippery metal surfaces promises to be used in a wide application in the cold and aviation industry and in other high humidity environments.
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