Aqueous energy-harvesting, wear-resistant piezoelectric composite coating for roads and its preparation method

By using water-based energy-harvesting and wear-resistant piezoelectric composite coatings on roads, combined with electrospun fiber membranes and inorganic particles, the high cost problem of existing devices has been solved, and efficient energy collection and improved wear resistance have been achieved.

CN119799097BActive Publication Date: 2025-09-26CHANGAN UNIV
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Patent Information

Application Number
CN202510076114.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-09-26
Estimated Expiration
2045-01-17

AI Technical Summary

Technical Problem

Existing road energy collection devices are expensive and complex to install, making it difficult to effectively collect energy generated by vehicle vibration and heat.

Method used

A water-based energy-collecting and wear-resistant piezoelectric composite coating is used. By introducing strip-shaped composite electrospun fiber membranes and inorganic particles, the synergistic effect between materials is utilized to improve the piezoelectric performance and wear resistance. The preparation method includes the mixing and stirring process of adding components such as dispersants, defoaming agents, wetting agents, nanopowders and acrylic emulsions.

Benefits of technology

The energy collection efficiency of piezoelectric materials and the wear resistance of coatings are improved, the installation cost is reduced, and efficient energy conversion and stable collection are achieved.

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Abstract

The present invention provides a water-based energy-collecting, wear-resistant piezoelectric composite coating for roads and a preparation method thereof. The piezoelectric composite coating comprises the following components: a dispersant, a defoaming agent, a wetting agent, a thickener, an alcohol ester twelve, methanol, a strip-shaped composite electrostatically spun fiber membrane, nano-titanium dioxide powder, heavy calcium powder, nano-inorganic lead zirconate titanate powder, low-mesh inorganic lead zirconate titanate powder, and water. The strip-shaped composite electrostatically spun fiber membrane comprises PVDF, PBZ, hyperbranched graphene, and hyperbranched barium titanate. The piezoelectric coating prepared from the coating obtained by the present invention has good wear resistance, high pencil hardness, and high piezoelectric coefficient, and can meet the current use requirements of road energy-collecting coatings.
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