▎ 摘　　要

NOVELTY - Preparation of flexible anode material involves (1), grinding carbon nitrogen compound, soaking in acid, heating, and obtaining carbon-nitrogen compound solution, (2), obtaining graphene oxide solution from crystalline flake graphite, (3), obtaining carbon oxide nanotube solution from carbon nanotubes, (4), soaking layered clay mineral in a solvent, centrifuging, washing the supernatant with water, mixing a transition metal nitrate or chloride, and obtaining ion-loaded clay mineral material solution, (5), mixing carbon-nitrogen compound solution, the graphene oxide solution, the carbon oxide nanotube solution, and ion-loaded clay mineral material solution, adding polymerization inhibitor, crosslinking agent and pore-forming agent, hydrothermally reacting, filtering using battery membrane, freezing and drying, and obtaining flexible sulfur carrying frame, and (6), dissolving sublimed sulfur in an organic solvent, and dripping on the flexible sulfur-carrying frame. USE - Preparation of flexible anode material (claimed) for lithium-sulfur battery. ADVANTAGE - The method enables preparation of lithium-sulfur battery having excellent cycle performance, high capacity and multiplying power performance, excellent mechanical properties, excellent softening effect, improved chemical adsorption effect, ionic conduction capability, and electronic conductivity, improved dynamic behavior, and excellent charging and discharging properties. DETAILED DESCRIPTION - Preparation of flexible anode material for lithium sulfur battery involves (1), grinding carbon nitrogen compound, sieving, soaking in acid, heating until clear, and obtaining carbon-nitrogen compound solution, (2), using improved Hummers method and crystalline flake graphite, and obtaining graphene oxide solution, (3), using improved Hummers method and carbon nanotubes, and obtaining carbon oxide nanotube solution, (4), soaking layered clay mineral in a solvent, ultrasonically processing, centrifuging, washing the supernatant with deionized water, mixing a transition metal nitrate or transition metal chloride with few layers of the clay mineral, and obtaining at least one layer of ion-loaded clay mineral material solution, (5), mixing carbon-nitrogen compound solution, the graphene oxide solution, the carbon oxide nanotube solution and ion-loaded clay mineral material solution, obtaining a mixed solution, adding 0.1-1 wt.% polymerization inhibitor, continuously stirring for 0.1-3 hours, adding 0.05-0.5 wt.% crosslinking agent and 0.1-1 wt.% pore-forming agent, continuously stirring for 0.1-3 hours, adding into a hydrothermal kettle, heating to 100-180degrees Celsius, heat-preserving for 2-8 hours, cooling, using battery membrane as filter film, filtering, freezing and drying, and obtaining flexible sulfur carrying frame, and (6), dissolving sublimed sulfur in an organic solvent, dripping on the surface of the flexible sulfur-carrying frame, and processing at 150-160degrees Celsius for 6-12 hours.