Enhancing Thermal Conductivity of Epoxy Polymers via Template‐Assisted Construction of 3D Graphene Networks
Source abstract
Abstract
ABSTRACT The low intrinsic thermal conductivity (TC) of polymers limits their application in thermal management. To address this, we developed a three‐dimensional (3D) interconnected graphene (Gr) network using a sacrificial NaCl template, which significantly enhances heat transfer pathways in epoxy composites. After epoxy resin infiltration, the resulting graphene/epoxy (Gr/EP) composite exhibited a through‐plane TC of 4.19 W/(m K) at a graphene loading of 24.32 wt%, representing a 19.95‐fold increase over pure epoxy (0.21 W/(m K)). Heating platform tests and water‐cooling experiments further confirmed the Gr/EP composite's superior thermal performance. The 3D graphene skeleton provides multiple phonon pathways, significantly reducing interfacial thermal resistance and scattering. This work presents a high‐TC Gr/EP composite and a straightforward preparation method, offering broad potential for thermal management applications.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Thermal properties of materials · Thermal Expansion and Ionic Conductivity · Thermal Radiation and Cooling Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Materials Science and Engineering Taiyuan University of Technology Taiyuan Shanxi China
Funding
Natural Science Foundation of Shanxi Province
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