▎ 摘　　要

NOVELTY - Preparing high-orientation graphene aerogel comprises completely immersing the porous polyurethane (PU) film in the graphene oxide (GO) slurry, keeping the porous PU film in a stretched state, winding it on the block-shaped base material for rolling processing and drying, removing the block shaped base material and then removing PU film processing and graphitization process to obtain the high- orientation graphene gel hollow structure sample, cutting the high orientation graphene hollow structure samples according to four sides to obtain at least four block shaped gel-oriented graphene. USE - The method is useful for preparing high-orientation graphene aerogel, which is used for heat management field of heat dissipation requirements. Uses include but are not limited to adsorption, sensing, catalytic, capacitor, battery, thermal management and electromagnetic shielding field. ADVANTAGE - The high-orientation graphene aerogel has the same height orientation, which greatly enhances the longitudinal thermal conductivity as the composite interface material framework. In the thermal management application, some heating serious elements e.g. integration degree and chip with higher power density have very good cooling effect. The porous polyurethane film has tensile rebound resilience and self-adhesive property. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a composite interface graphene, where the longitudinal thermal conductivity of the composite interface graphene is not less than 70 W/mK.