Electrothermal superhydrophobic epoxy nanocomposite coating for anti-icing/deicing

IF 2.3 4区材料科学 Q2 Chemistry

Journal of Coatings Technology and Research Pub Date : 2023-04-26 DOI:10.1007/s11998-023-00762-x

Jiayu Fan, Zhu Long, Jin Wu, Peng Gao, Yun Wu, Pengxiang Si, Dan Zhang

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引用次数: 1

Abstract

Wind power, as a new type of green energy, can be converted into electric energy through wind turbines. However, the extremely cold and harsh weather makes the blade surface easy to freeze, which seriously affects the capacity of wind power. In this study, a bilayer epoxy-based nanocomposite coating that consists of an electrothermal and superhydrophobic layer has been developed for anti-icing/deicing. The electrothermal layer consists of epoxy/silver-coated copper (Ag–Cu) and epoxy/multi-walled carbon nanotubes (MWCNTs) nanocomposites. Epoxy/Ag–Cu coating showed high electrical conductivity, which can quickly generate heat under voltage. Epoxy/MWCNTs coating exhibited high thermal conductivity, which conducts heat to the whole surface. The superhydrophobic layer was fabricated by epoxy/SiO₂/hexadecyltrimethoxysilane (HDTMS) nanocomposite, which covered the top of electrothermal layer. The designed bilayer epoxy nanocomposite coating displayed electrical power consumption (0.2 W), super hydrophobicity (static and dynamic water contact angle of 156.3° and 3°, respectively), low ice adhesion (0.01 MPa), long icing time (312 s), short deicing time (41 s), and good wear, acid, alkali, and salt resistance, making it promising for industrial application on wind turbine blades.

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防冰/除冰用电热超疏水环氧纳米复合涂层

风能作为一种新型的绿色能源，可以通过风力发电机将其转化为电能。然而，极端寒冷恶劣的天气使叶片表面容易结冰，严重影响风电容量。在这项研究中，开发了一种由电热层和超疏水层组成的双层环氧基纳米复合涂层，用于防冰/除冰。电热层由环氧/镀银铜(Ag-Cu)和环氧/多壁碳纳米管(MWCNTs)纳米复合材料组成。环氧/ Ag-Cu涂层具有高导电性，在电压作用下能快速发热。环氧/MWCNTs涂层表现出高导热性，将热量传导到整个表面。采用环氧树脂/SiO2/十六烷基三甲氧基硅烷(HDTMS)纳米复合材料制备了超疏水层，覆盖在电热层的顶部。所设计的双层环氧纳米复合涂层具有电耗(0.2 W)、超疏水性(静、动水接触角分别为156.3°和3°)、低冰附着(0.01 MPa)、长结冰时间(312 s)、短除冰时间(41 s)、良好的耐磨性、耐酸、耐碱、耐盐性等特点，在风力发电机叶片上具有良好的工业应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Coatings Technology and Research CHEMISTRY, APPLIED-MATERIALS SCIENCE, COATINGS & FILMS

CiteScore

4.40

自引率

8.70%

发文量

期刊介绍： Journal of Coatings Technology and Research (JCTR) is a forum for the exchange of research, experience, knowledge and ideas among those with a professional interest in the science, technology and manufacture of functional, protective and decorative coatings including paints, inks and related coatings and their raw materials, and similar topics.