▎ 摘　　要

NOVELTY - Power cable composite aluminum alloy material comprises aluminum alloy substrate comprising 0.65-0.73 wt.% iron, 4.5-4.7 wt.% magnesium, 0.35-0.58 wt.% copper, 0.03-0.04 wt.% manganese, 0.02-0.035 wt.% lithium, 0.01-0.02 wt.% nitrogen, 0.25-0.4 wt.% rare earth, and balance aluminum and unavoidable impurities, and modified doped graphene/aluminum composite coating. USE - Power cable composite aluminum alloy material. ADVANTAGE - The material has excellent mechanical properties, improved corrosion resistance, and increased heat conductivity.