Abstract
With the integration and miniaturization of electronic devices, thermal management has become a crucial issue that strongly affects their performance, reliability, and lifetime. One of the current interests in polymer-based composites is thermal conductive composites that dissipate the thermal energy produced by electronic, optoelectronic, and photonic devices and systems. Ultrahigh thermal conductivity makes graphene the most promising filler for thermal conductive composites. This article reviews the mechanisms of thermal conduction, the recent advances, and the influencing factors on graphene-polymer composites (GPC). In the end, we also discuss the applications of GPC in thermal engineering. This article summarizes the research on graphene-polymer thermal conductive composites in recent years and provides guidance on the preparation of composites with high thermal conductivity.
Highlights
Thermal management has become a crucial issue in the modern electronics industry as electronic devices have become more integrated and miniaturized
We review the advances in thermal conductivity of graphene-polymer composites in recent years
There are many factors affecting the thermal conductivity of graphene-polymer composites, such as the defects on graphene, the orientation of graphene in the polymer, the graphene loading, and the surface modification, etc. [3,4,5]
Summary
Thermal management has become a crucial issue in the modern electronics industry as electronic devices have become more integrated and miniaturized. If the heat can-not be dissipated promptly, the lifetime and the efficiency of the system could be reduced, or even breakdown In this situation, materials with high thermal conductivity are strongly needed to dissipate the heat and solve the problem [2]. Graphene has attracted great attention because of its unique two dimensional (2D) structure and novel properties, such as the zero-gap band structure, high electron mobility, and high thermal conductivity [24]. Balandin and his co-workers reported a measurement of the thermal conductivity of suspended single-layer graphene around 5000 W m−1 K−1 , which was one of the highest. We discuss the applications of thermal conductive graphene-polymer composites
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