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Fabrication And Properties Of Pani-zno/sio2 Photothermal Corrosion-resistant Integrated Coating On Aluminum Alloy Surfaces.

Home
Research Domains
Engineering
Materials Engineering
Wearable Materials
Fabrication And Properties Of Pani-zno/sio2 Photothermal Corrosion-resistant Integrated Coating On Aluminum Alloy Surfaces.

Related Experiment Video

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Published on: April 26, 2017

Fabrication and properties of PANI-ZnO/SiO₂ photothermal corrosion-resistant integrated coating on aluminum alloy surfaces.

Zhaowei Liu¹, Zechong Liu¹, Tao Wu¹

¹Department of Materials Science and Engineering & Shaanxi Province Key Laboratory of Corrosion and Protection, Xi'an University of Technology Xi'an 710048 P. R. China yftang@xaut.edu.cn.

|June 10, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

This study developed a novel photothermal coating using ZnO-coated SiO2 particles and PANI for efficient de-icing and corrosion resistance. The integrated coating rapidly melts ice and protects aluminum alloy, offering a promising solution for outdoor equipment.

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Area of Science:

Materials Science
Surface Chemistry
Corrosion Engineering

Background:

Icing on outdoor equipment like power lines and wind turbines causes significant damage and safety risks.
Current photothermal hydrophobic coatings have limitations in light absorption and heating rates, hindering their practical use.
There is an urgent need for coatings that offer both efficient de-icing and corrosion resistance.

Purpose of the Study:

To synthesize ZnO-coated SiO2 particles and create a PANI-ZnO/SiO2 photothermal corrosion-resistant integrated composite coating.
To evaluate the de-icing performance and corrosion resistance of the developed coating on aluminum alloy.
To investigate the synergistic photothermal effect of ZnO and PANI for enhanced de-icing capabilities.

Main Methods:

Synthesis of ZnO-coated SiO2 particles via in situ chemical reactions.

Construction of a PANI-ZnO/SiO2 composite coating on aluminum alloy surfaces.

Characterization of the coating's structure, photothermal properties, de-icing efficiency, and corrosion resistance.

Main Results:

The PZS-1.0 coating exhibited a unique three-dimensional coral-like network structure.
The coating achieved a significant temperature rise (ΔT) of 74 °C within 90 seconds under sunlight.
Rapid de-icing was observed, with complete melting of frozen droplets in 80 seconds.
Excellent corrosion resistance was confirmed, with a self-corrosion potential (Ecorr) of -681.07 mV and high polarization resistance.

Conclusions:

The developed photothermal corrosion-resistant integrated coating provides an effective solution for de-icing and corrosion protection of aluminum alloy.
The synergistic photothermal effect of ZnO and PANI enhances de-icing performance.
The coating shows significant potential for applications in high-voltage transmission and marine engineering.