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Home»News»High-performance 3D-printed graphene composites developed for efficient ice control
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High-performance 3D-printed graphene composites developed for efficient ice control

May 2, 2025No Comments2 Mins Read
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High-performance 3D-printed graphene composites developed for efficient ice control
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FDM 3D-printed G-TPU/N-TPU double-layer structure and its anisotropic thermal conductivity ratio. Credit: Xi Min

A research team led by Prof. Wang Zhenyang at the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed a novel 3D-printed graphene/polymer double-layer composite featuring high anisotropic thermal conductivity.

The breakthrough offers improved photothermal and electrothermal performance for advanced ice control applications. The research was published in Carbon and the Chemical Engineering Journal.

Graphene is known for its outstanding thermal and electrical conductivity, particularly its strong anisotropy—high in-plane conductivity and much lower through-plane conductivity.

To capitalize on this property, the researchers employed dual-nozzle fused deposition modeling (FDM) 3D printing to directionally align graphene within a thermoplastic polyurethane (TPU) matrix. The resulting double-layer composite, consisting of graphene-enhanced TPU (G-TPU) and neat TPU (N-TPU), achieved an in-plane thermal conductivity of 4.54 W/(m·K), with an anisotropic ratio of about 8.

Further performance enhancement was achieved through laser-induced surface engineering. The laser treatment preserved graphene alignment, exposed the conductive network, and created a carbonized TPU layer, improving both thermal and electrical anisotropy.

The anisotropic thermal conductivity ratio increased to 9.1, and the anisotropic electrical resistance ratio improved by more than an order of magnitude. Additionally, the laser-treated surface exhibited improved hydrophobicity and light absorption, boosting photothermal conversion efficiency.

This work provides a scalable strategy for fabricating high-performance materials for anti-/de-icing systems, according to the team.

Provided by
Chinese Academy of Sciences



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See also  Researchers achieve efficient nutrient delivery to crop leaves through nanomaterial surface roughness engineering
3Dprinted composites control developed Efficient Graphene Highperformance Ice
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