▎ 摘　　要

NOVELTY - A high thermal conductivity carbon fiber composite material with laminated hybrid structure comprises combination of carbon fiber cloth layer, sheet filler thermal conductivity network, and sheet sandwich ball laminated structure. Polymer matrix material is fully infiltrated and molded to obtain a laminated hybrid structure. In the horizontal direction, sheet filler thermal conductivity network parallel to the carbon fiber cloth layer is constructed. In the vertical direction, sheet sandwich ball laminated structure is constructed on the surface of the carbon fiber cloth layer. USE - High thermal conductivity carbon fiber composite material with laminated hybrid structure. ADVANTAGE - The composite material has laminated hybrid structure, which can improve the in-plane/out-of-plane thermal conductivity of the composite material. The composite material has both high thermal conductivity and high mechanical properties. The laminated hybrid structure of the chip sandwich ball is more conducive to the infiltration of the resin, which can effectively improve the mechanical properties of the composite material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the high thermal conductivity carbon fiber composite material, which involves (1) performing plasma treatment of the carbon fiber cloth layer, spraying or blending alternately copper-containing solution, and graphene solution and/or graphene oxide solution, (2) drying the sprayed carbon fiber cloth layer, laying the carbon fiber cloth layer, injecting the polymer matrix material into the carbon fiber cloth layer, and molding. When spraying alternately, if the surface of the carbon fiber cloth layer is sprayed with a copper-containing solution, the next layer is sprayed with graphene and/or graphene oxide solution, the copper-containing solution is sprayed alternately with the graphene and/or graphene oxide solution, and last layer is a copper-containing solution, where the copper-containing material in the copper-containing solution is flake powder, the graphene in the graphene solution is graphene spheres, the graphene oxide in the graphene oxide solution is graphene oxide spheres and the particle size of the graphene ball or graphene oxide ball is smaller than that of the flake powder, If the layer of the carbon fiber cloth layer is sprayed with graphene and/or graphene oxide solution, the next layer is sprayed with copper-containing solution, the graphene and/or graphene oxide solution and the copper-containing solution are sprayed alternately, and the last layer is graphene and/or graphene oxide solution, where the graphene in the graphene solution is a graphene sheet, the graphene oxide in the graphene oxide solution is graphene oxide flakes, the copper-containing material in the copper-containing solution is spherical powder, and the particle size of the spherical powder is smaller than that of the graphene flakes or graphene oxide flakes. When blending and spraying of copper-containing solution and graphene and/or graphene oxide solution, if the copper-containing material in the copper-containing solution is flake powder, the graphene in the graphene solution is graphene spheres, the graphene oxide in the graphene oxide solution is graphene oxide spheres, and the particle size of the graphene ball or graphene oxide ball is smaller than that of the flake powder. If the graphene in the graphene solution is a graphene sheet, the graphene oxide in the graphene oxide solution is graphene oxide flakes, the copper-containing material in the copper-containing solution is spherical powder, and the particle size of the spherical powder is smaller than that of the graphene flakes or graphene oxide flakes.