▎ 摘　　要

NOVELTY - A composite anode material comprises graphene oxide as base material. The graphene oxide is compounded with the ferroelectric material to obtain graphene/ferroelectric composite material. The graphene/ferroelectric composite material is mixed with nano-sulfur in mass ratio 3:7. The ferroelectric material is barium titanate, lead titanate, potassium niobate, strontium titanate, lithium niobate or lead zirconate titanate. USE - Lithium sulfur battery composite anode material (claimed). ADVANTAGE - The composite anode material has excellent conductivity, structural stability, excellent conductive network, strong adsorption action, reduced active substance loss and improved coulomb efficiency, and improves the cycle life of lithium-sulfur battery. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for production of composite anode material, which involves (1) adding graphene oxide to anhydrous ethanol in ratio 40 mg:40 ml, ultrasonically treating for 0.5 hour to obtain oxidized graphene solution, dispersing ferroelectric material in deionized water in ratio 1 mg:1 ml, where mass ratio of graphene to ferroelectric material is (1-1.5):1, ultrasonically treating for 0.5 hour to obtain ferroelectric material solution, mixing oxidized graphene solution with ferroelectric material solution, ultrasonically treating for 0.5 hour, stirring for 0.5 hour to obtain graphene oxide composite, transferring composite to hydrothermal autoclave, reacting at 120-220 degrees C for 8 hours, naturally cooling with deionized water, centrifuging and cleaning with 75% alcohol to obtain reduced graphene oxide complex, vacuum drying at 60-80 degrees C for 12-24 hours to obtain graphene/ferroelectric composite material, polishing for 30 minutes, adding nano-sulfur, grinding for 30 minutes, mixing, where mass ratio of composite material and nano-sulfur is 3:7, placing mixture of graphene/ferroelectric composite material and nano-sulfur in hydrothermal kettle under nitrogen atmosphere, transferring hydrothermal autoclave to tube furnace filled with nitrogen, heating at a rate of 1 degrees C/minute at 100-110 degrees C, increasing temperature to 155-200 degrees C at a rate of 0.5 degrees C/minute, heat preserving at 155-200 degrees C for 6-24 hours, and cooling to room temperature.