▎ 摘　　要

NOVELTY - An electric heating film comprises 20-40 pts. wt. nano tin dioxide, 3-8 pts. wt. inorganic acid, 2-10 pts. wt. bismuth chloride, 60-85 pts. wt. solvent, 0.5-5 pts. wt. hydrogen peroxide, 2-10 pts. wt. lanthanum nitrate hexahydrate, 2-10 pts. wt. indium nitrate, 2-10 pts. wt. cerium nitrate hexahydrate and 15-30 pts. wt. ferrocene-based compound modified graphene oxide. USE - Electric heating film used for heating and heat preservation of glass plates, glass tubes, tanks and floors, and antifreeze of bridges, ramps and buildings, stone disc bathing, steaming room, high temperature yoga, and radiant electric heating board, electric heating carpet and electric hot shoe (all claimed). DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the electric heating film.