石墨烯/环氧复合材料导热性能的研究进展

石墨烯作为时下最热门的纳米材料,吸引了国内外众多科研工作者的注意力。而石墨烯所具有的超高导热性能,使其在环氧导热复合材料中有着巨大的应用前景。本文主要综述了当前石墨烯/环氧复合材料导热性能的研究进展,详细介绍了石墨烯的尺寸、与其它填料的复配以及石墨烯表面改性等因素对导热性能的影响。此外,还分析了复合材料的微观结构对导热性能的影响。最后,对导热型石墨烯/环氧复合材料的发展进行了展望,并指出了该领域存在的技术难点和未知机理。

Research and Progress of Graphene/Epoxy Composite Materials in Thermal Conductivity

Graphene as the most popular nano-materials nowadays,attracting the attention of many researchers at home and abroad.Graphene has a huge application in thermal conductive epoxy composite materials prospects because of its high thermal conductivity.In this paper,the progress of thermal conductivity of graphene/epoxy composites is reviewed.The effects of various factors such as the regulation of the size of graphene,the complexing with other fillers and the surface modification of graphene are introduced in detail.In addition,the influence of the microstructure of the composites on thermal conductivity was analyzed.Finally,the development of thermal conductive graphene/epoxy composites is prospected.The technical difficulties and unknown mechanism in this field are also put forward.