▎ 摘　　要

NOVELTY - A nanocellulose graphene oxide electrothermal material comprises substrate, where the heat generating layer formed on the substrate, and the heat generating layer contains graphene, graphene oxide, nanocellulose, and the electrode connected to the heat generating layer. USE - Nanocellulose graphene oxide electrothermal material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing a nanocellulose graphene oxide electrothermal material, which involves selecting a substrate, spraying or brushing a coating on the surface of the substrate to form a first insulating layer, mixing and dispersing nanocellulose and graphene oxide to obtain a mixed system or mixing and dispersing graphene oxide, nanocellulose and hydrophobic agent to obtain a mixed system, mixing the ultrasonic dispersion of the graphene with the mixed system, continuously ultrasonically dispersing to obtain the composite dispersion system, applying the composite dispersion system into the first insulating coating by inkjet printing or spray coating or coating to form a heat generating layer, connecting the electrode to the heat generating layer, preparing nanocellulose graphene oxide electrothermal material by spraying or brushing a coating on the heat generating layer to form a second insulating layer.