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During cold winter months, snow accumulation on high-voltage overhead transmission lines can seriously threaten the reliability of power transmission and communication systems
Recently, Prof.
Figure 1.
Specifically, the researchers developed a low-emissivity solar-assisted superhydrophobic (LE-SS) coating that can be sprayed on flat and complex curved surfaces, including power lines and cables
Figure 2.
【Design and manufacture of LE-SS coating】
Since TiN nanoparticles achieve strong selective absorption through localized surface plasmon resonance in the visible region, TiN nanoparticles are selected as solar absorbing materials
【Low-temperature superhydrophobic double-scale particles】
As shown in Fig.
【Excellent solar thermal performance】
On a planar Al surface, the absorbance/emissivity spectra of the best LE-SS coatings are shown in Fig.
Figure 3.
【Process Compatibility of Flat and Curved Surfaces】
LE-SS spray coating is suitable for both flat and curved surfaces, as well as different substrates
Figure 4.
[De-icing performance of LE-SS coated cable]
To evaluate the deicing performance of the LE-SS coating, the researchers conducted comparative deicing experiments under different solar intensities on the pristine and LE-SS coated ACSR cables in a custom-made freezer (Fig.
Figure 5.
【summary】
The researchers developed a superhydrophobic solar thermal icephobic coating that is transparent in the mid-infrared region, yielding a low emissivity
