Each carbon atom of graphene is sp2-hybridized and contributes the remaining p-orbital electron to form a π bond, and the π electron can move freely, giving graphene excellent electrical conductivity. Graphene is the material with the best known electrical conductivity. At room temperature, the electron mobility of graphene exceeds 15000cm2/V·s, which is higher than that of carbon nanotubes or silicon crystals, and the resistivity is only about 10-6Ω·cm. Copper or silver is lower and is the material with the lowest resistivity in the world. These excellent properties make graphene have potential applications in many fields such as high-performance batteries, supercapacitors, micro-nano electromechanical devices and composite materials.

Application Case 1: Conductive Printing and Dyeing

    First Fung customers print the conductive paste on the surface of the fabric to make micro-heating printing and dyeing products. The heat is 40-43 degrees after 12V low voltage power on for 90s.

Application Case 2::Energy Battery

    Theoretically, graphene electrodes could have more than twice the specific capacity of graphite. If graphene and carbon black are mixed and added as a conductive additive to a lithium battery, the internal resistance of the battery can be effectively reduced, and the rate charge-discharge performance and cycle life of the battery can be improved. Fenfeng customers added graphene powder to the positive electrode and current collector of the battery, the discharge capacity was increased by 8%, and the electrode voltage was significantly increased.

Application case 3: Anti-static cable insulation

    Fenfeng customers added a small amount of graphene to PP plastic to make the outer layer of the cable insulation, which achieved the anti-static effect, and the wear-resistant and anti-corrosion performance was also improved.