Graphene-based polymer composites in thermal management: materials, structures and applications

Abstract

Graphene, with its high thermal conductivity (k), excellent mechanical properties, and thermal stability, is an ideal filler for developing advanced high k and heat dissipation materials. However, creating graphene-based polymer nanocomposites (GPNs) with high k remains a significant challenge to meet the demand for efficient heat dissipation. Here, the effects of graphene material and structure on thermal properties are investigated from both microscopic and macroscopic perspectives. Initially, it briefly introduces the influence of graphene structural parameters on its intrinsic k, along with summarizing methods to adjust these parameters. Various techniques for establishing different thermal conductivity pathways at the macroscopic scale (including filler hybridization, 3D networks, horizontal alignment, and vertical alignment) are reviewed, along with their respective advantages and disadvantages. Furthermore, we discuss the applications of GPNs as thermal interface materials (TIMs), phase change materials (PCMs), and smart responsive thermal management materials in the field of thermal management. Finally, the current challenges and future perspectives of GPN research are discussed. This review offers researchers a comprehensive overview of recent advancements in GPNs for thermal management and guidance for developing the next generation of thermally conductive polymer composites.

Graphical abstract: Graphene-based polymer composites in thermal management: materials, structures and applications

Article information

Article type
Review Article
Submitted
30 יונ 2024
Accepted
30 ספט 2024
First published
02 אוק 2024

Mater. Horiz., 2024, Advance Article

Graphene-based polymer composites in thermal management: materials, structures and applications

L. Liu, C. Xu, Y. Yang, C. Fu, F. Ma, Z. Zeng and G. Wang, Mater. Horiz., 2024, Advance Article , DOI: 10.1039/D4MH00846D

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