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- Title
Robust Self‐Cleaning and Marine Anticorrosion Super‐Hydrophobic Co–Ni/CeO<sub>2</sub> Composite Coatings.
- Authors
Xue, Yanpeng; Wang, Shuqiang; Xue, Yanyan; Cao, Lili; Nie, Mengyan; Jin, Ying
- Abstract
Until now, superhydrophobic materials that are scale‐up fabrication and application to harsh environments remain challenging because of their fragile mechanical durability. Because of their unique electronic structure, rare‐earth oxides (REOs) have been proven to be intrinsically hydrophobic. Herein, cerium oxide particles (CeO2) are added to the coating by coelectrodeposition. The Co–Ni/CeO2 composite coating from the electrolyte containing 3.44 g L−1 possesses a flower‐like hierarchical structure, displaying a superhydrophobic behavior after the modification by 1H,1H,2H,2H‐perfluorooctyltrichlorosilane (PFTEOS). More importantly, excellent mechanical durability with critical abrasion distance of 22.5 m is achieved under a 5 kPa fixed normal pressure in the liner abrasion test before the loss of superhydrophobicity. Also, electrochemical measurements demonstrate that the superhydrophobic composite coatings display high corrosion resistance.
- Subjects
CERIUM oxides; COMPOSITE coating; ELECTRONIC structure; CORROSION resistance; MECHANICAL abrasion; SEAWATER corrosion
- Publication
Advanced Engineering Materials, 2020, Vol 22, Issue 11, p1
- ISSN
1438-1656
- Publication type
Article
- DOI
10.1002/adem.202000402