One-step fabricated multifunctional nanocomposite coatings with dynamic dewetting and active deicing for harsh environments

IF 6.5 2区材料科学 Q1 CHEMISTRY, APPLIED

Progress in Organic Coatings Pub Date : 2025-05-18 DOI:10.1016/j.porgcoat.2025.109386

Zhijie Liu , Linbo Zhang , Huyin Yan , Jing Guo , Le Yuan , Haipeng Lu , Liangjun Yin

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引用次数: 0

Abstract

Ice accretion on wind turbine blades critically compromises energy conversion efficiency (≤80 %) and structural integrity. Herein, we propose a fluorine-free multifunctional coating integrating synergistic photothermal and superhydrophobic mechanisms for sustainable anti-icing applications. The rationally designed P-CNT/PDMS/EP composite, synthesized via a single-step blade-coating technique, demonstrates simultaneous ultra-repellency (150.43° static contact angle, 3.94° sliding angle) and efficient solar energy conversion (94.88 % broadband absorption). Under simulated extreme conditions (−20 °C, 15 m·s⁻¹ crosswinds), the coating achieves rapid ice shedding within 240 s through photothermal activation while maintaining 95 % hydrophobicity retention after mechanical abrasion. Notably, ice accumulation reduces to 2 % of uncoated surfaces, coupled with exceptional environmental stability (ΔCA <2° after 30-day UV/thermal aging). Multiphysics simulations incorporating phase-change dynamics and turbulent flow interactions validate year-round operational reliability across temperate to polar climates. This paradigm-shifting strategy addresses the critical durability challenges in conventional anti-icing technologies while aligning with green chemistry principles for renewable energy infrastructure.

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一步制备具有动态除湿和主动除冰功能的多功能纳米复合涂层

风力涡轮机叶片上的冰积严重影响能量转换效率（≤80%）和结构完整性。在此，我们提出了一种集协同光热和超疏水机制为一体的无氟多功能涂层，用于可持续的防冰应用。合理设计的P-CNT/PDMS/EP复合材料，通过单步叶片涂层技术合成，同时具有超驱避性（150.43°静态接触角，3.94°滑动角）和高效太阳能转换（94.88%宽带吸收）。在模拟的极端条件下（- 20°C， 15 m·s−1侧风），涂层通过光热活化在240 s内实现快速脱冰，同时在机械磨损后保持95%的疏水性。值得注意的是，未涂层表面的积冰减少到2%，再加上卓越的环境稳定性（ΔCA <； 30天紫外线/热老化后2°）。结合相变动力学和湍流相互作用的多物理场模拟验证了温带到极地气候的全年运行可靠性。这一转变模式的战略解决了传统防冰技术在耐久性方面的关键挑战，同时符合可再生能源基础设施的绿色化学原则。

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来源期刊

Progress in Organic Coatings 工程技术-材料科学：膜

CiteScore

11.40

自引率

15.20%

发文量

577

审稿时长

48 days

期刊介绍： The aim of this international journal is to analyse and publicise the progress and current state of knowledge in the field of organic coatings and related materials. The Editors and the Editorial Board members will solicit both review and research papers from academic and industrial scientists who are actively engaged in research and development or, in the case of review papers, have extensive experience in the subject to be reviewed. Unsolicited manuscripts will be accepted if they meet the journal''s requirements. The journal publishes papers dealing with such subjects as: • Chemical, physical and technological properties of organic coatings and related materials • Problems and methods of preparation, manufacture and application of these materials • Performance, testing and analysis.