Three-dimensional graphene has excellent electrical and thermal conductivity.

Electrical Conductivity

The electrical conductivity of 3D graphene is significantly improved compared to ordinary graphene, about thousands of times higher than ordinary graphene. This is due to its porous structure and larger surface area. These properties provide more conductive pathways and increase the ability to conduct electric current. Therefore, 3D graphene can be used as an ideal material for flexible electronic devices with a wide range of applications.

Thermal Conductivity

Three-dimensional graphene also exhibits thermal conductivity. Although the thermal conductivity of single-layer graphene is as high as 5300W/(m-K), which is the current thermal conductivity of two-dimensional materials, the assembly of nanoscale graphene into macroscopic materials through appropriate methods is an effective breakthrough for graphene to move towards applications. In recent years, the graphene heat dissipation film assembled with graphene as the primitive has made a breakthrough progress, and the thermal conductivity has reached more than 2000W/(m-K) below room temperature. However, in order to break through the heat flux challenge, the thickness of the heat sink material must be increased. Through a new moulding process, graphene nanocomposite blocks with thicknesses up to the millimetre or centimetre scale can be prepared and still maintain high thermal conductivity. This 3D graphene nanocomposite excels in thermal conductivity, which is much higher than other 3D graphene materials.