Superhydrophobic HWCNTs/EP composite coating with anti-icing and photothermal deicing properties

Haiyang Zhang; Youqiang Wang; Guijing Guo

doi:10.63313/AJET.9011

Authors

Haiyang Zhang School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China Author
Youqiang Wang School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China Author
Guijing Guo School of Mechanical and Automotive Engineering, Qingdao University of Technology, Qingdao 266520, China Author

DOI:

https://doi.org/10.63313/AJET.9011

Keywords:

Superhydrophobicity, Photothermal deicing, Anti-icing, Photothermal conversion

Abstract

Photothermal superhydrophobic surfaces have garnered significant attention for their exceptional anti-icing and photothermal deicing capabilities. However, the shortcomings of stability and fabrication complexity limit their practical application. This work designed and fabricated a HWCNTs/EP composite coating that combines anti-icing/deicing performance, and facile preparation. During fabrication, the HWCNTs and EP ratio was systematically optimized by evaluating wettability, photothermal conversion capability, and anti-icing/deicing performance. The composite coating in the ratio of HWCNTs/EP 1:1 exhibited a water CA of 156.7°. Photothermal testing revealed a maximum temperature increase of 69 ℃ (reached in 200 s) under one sun intensity. The composite coating demonstrated a prolonged droplet freezing time of 1026 s at −15 ℃. Photothermal deicing testing achieved complete ice melting and detachment within 44 s. This work provides novel insights for designing stable photothermal superhydrophobic coatings with anti-icing/deicing functionality, contributing to the development of energy-efficient ice mitigation technologies.

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