▎ 摘　　要

NOVELTY - The preparation of graphene-aluminum alloy composite by electric explosion spraying involves cleaning graphite powder, removing the impurities and drying, grinding graphite powder to obtain ultra-fine graphite powder, atomizing ultra-fine graphite powder with high-pressure air stream, spraying between the two electrodes, comprising electrode with conductive metal material, covering surface with aluminum plate, explosion cracking of ultra-fine graphite powder into graphene, forming aluminum metal plate by explosion, turning into molten particles, compounding with graphene and cooling. USE - Preparation of graphene-aluminum alloy composite by electric explosion spraying, used in military and aerospace application, lightweight car, and sports equipment. ADVANTAGE - The method enables preparation of graphene-aluminum alloy composite with light weight, high-strength and high modulus performance, and promotes the industrialization of graphene. DETAILED DESCRIPTION - The preparation of graphene-aluminum alloy composite by electric explosion spraying involves using graphite powder as raw material and aluminum alloy electrode as aluminum source, cleaning graphite powder, removing the impurities and drying under argon protection, grinding graphite powder with grinding equipment to obtain ultra-fine graphite powder, atomizing ultra-fine graphite powder with high-pressure air stream, spraying between the two electrodes, setting alternating current of 10-20 A between the two electrodes, comprising electrode with conductive metal material, covering surface with aluminum plate, explosion cracking of ultra-fine graphite powder into graphene under impact of large current, instantaneously forming aluminum metal plate by explosion, turning into molten particles under high pressure, compounding with graphene, and rapidly cooling.