▎ 摘　　要

NOVELTY - Preparation of gradient graphene/polyurethane conductive composite material comprises preparing graphene-containing polyurethane powder, preparing graphene/polyurethane non-woven fabric film or nanoclay pipe/polyurethane non-woven fabric film, and preparing gradient graphene/polyurethane conductive composite material. USE - Preparation of gradient graphene/polyurethane conductive composite material. ADVANTAGE - The gradient graphene/polyurethane conductive composite material has high mechanical performance and low percolation value compared with the prior art. It has simple preparation.