ArticleScientific reports2026
Sustainable superhydrophobic coating based on in-situ electrodeposited Ni-Al layered double hydroxide for enhanced corrosion protection of steel.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Engineering durable superhydrophobic layered double hydroxide coatingsRSC advances · 2026Article
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5 authors.
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Abstract
The development of durable superhydrophobic coatings for corrosion protection remains a significant challenge due to the weak mechanical and chemical stability of most synthetic surfaces. This work presents a highly stable, eco-friendly superhydrophobic coating fabricated on steel via a facile two-step process. Ni-Al layered double hydroxide (LDH) with a unique Micro-nano morphology was first grown in-situ by a one-pot electrodeposition method, creating a rough hierarchical structure. This was subsequently functionalized with stearic acid, a green low-surface-energy material, to achieve superhydrophobicity. Systematic optimization of the electrodeposition parameters revealed that a 15-minute deposition at 40 mA yielded the optimum coating, which exhibited a water contact angle of 161° and a sliding angle of 3°. Extensive characterization, including SEM, AFM, XRD, and XPS, confirmed the successful formation and structure of the coating. Electrochemical tests in a solution of 0.5 M NaCl displayed that the optimized coating significantly enhanced the corrosion resistance of steel, achieving a protection efficiency of 96.5%. Crucially, the coating exhibited exceptional durability, maintaining its superhydrophobicity after 1100 mm of linear abrasion and demonstrating remarkable chemical stability against corrosive media across a wide pH range from 1 to 13. This study not only provides a novel method for constructing environmentally stable LDH-based coatings but also highlights their significant potential for real-world anti-corrosion applications in demanding environments.
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