Photothermal superhydrophobic coupled functional surface with active anti/de-icing performance

IF 6.1 2区工程技术 Q2 ENERGY & FUELS Applied Thermal Engineering Pub Date : 2024-11-23 DOI:10.1016/j.applthermaleng.2024.125031

Xiuzhang Qin , Qian Cong , Jin Xu , Tingkun Chen , Jingfu Jin , Chaozong Liu , Mingqing Wang

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Abstract

Ice adhesion has caused serious impacts on the engineering field, such as the safety and efficiency of equipment operation. Photothermal superhydrophobic surfaces are a potentially effective anti/de-icing method by combining solar heat with low-energy hydrophobic surfaces to prevent icing formation or accelerate ice melting. During the present study, the photothermal superhydrophobic was prepared on the aluminum alloy surface, as well as polypropylene coating and photothermal coating. The light absorption, wettability, and anti/de-icing properties of different surfaces were systematically investigated. The photothermal superhydrophobic coating has good light absorption efficiency and can increase the surface temperature by approximately 35 °C within the same illumination time. The contact angle of the photothermal superhydrophobic coating is 162°, which not only demonstrates good anti/de-icing performance but also can delay the freezing time of attached water independent of the refrigeration method. After 50 mechanical stability tests and chemical stability tests, the photothermal superhydrophobic coating still maintains good durability. The present study demonstrates that photothermal superhydrophobic surface is a promising anti/de-icing coating with stable performance for engineering applications.

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具有主动防/除冰性能的光热超疏水耦合功能表面

冰附着对工程领域造成了严重影响，如设备运行的安全性和效率。光热超疏水表面是一种潜在有效的防冰/除冰方法，它将太阳热与低能量疏水表面相结合，以防止结冰形成或加速冰融化。本研究在铝合金表面、聚丙烯涂层和光热涂层上制备了光热超疏水性。系统研究了不同表面的光吸收、润湿性和抗/除冰性能。光热超疏水涂层具有良好的光吸收效率，在相同的光照时间内可将表面温度提高约 35 °C。光热超疏水涂层的接触角为 162°，不仅具有良好的防冰/除冰性能，还能延缓附着水的冻结时间，不受制冷方法的影响。经过 50 次机械稳定性测试和化学稳定性测试后，光热超疏水涂层仍然保持良好的耐久性。本研究表明，光热超疏水表面是一种性能稳定的防/除冰涂层，在工程应用中大有可为。

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来源期刊

Applied Thermal Engineering 工程技术-工程：机械

CiteScore

11.30

自引率

15.60%

发文量

1474

审稿时长

57 days

期刊介绍： Applied Thermal Engineering disseminates novel research related to the design, development and demonstration of components, devices, equipment, technologies and systems involving thermal processes for the production, storage, utilization and conservation of energy, with a focus on engineering application. The journal publishes high-quality and high-impact Original Research Articles, Review Articles, Short Communications and Letters to the Editor on cutting-edge innovations in research, and recent advances or issues of interest to the thermal engineering community.

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