Abstract
Aircraft anti-icing and de-icing, aimed at reducing energy consumption, is a compelling technology that enables a plethora of eco-friendly energy applications to overcome long-standing crisis challenges. In this study, we present a tri-conversion strategy, inspired by superhydrophobicity, photothermal conversion, and electrothermal conversion, to develop an all-weather, high-efficiency, and low-energy rotor leading edge anti-icing and de-icing patch. The experimental samples not only possess stable superhydrophobic photothermal conversion capabilities but also achieve a 610-second delay in droplet icing, a 1-second nitrogen blow for frost, and a low ice adhesion strength of 11.6 KPa. Under one sun illumination, it can achieve a stable 54-second static melt and 37-second dynamic melt. With a connection to a 24 V DC stabilized power supply, it showcases an excellent 146-second de-icing capability. The synergistic action of multiple barriers enhances the anti-icing and de-icing performance. This work not only provides rational design principles for high-energy consumption de-icing but also offers insights into harnessing the power of nature for photothermal conversion de-icing.
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