▎ 摘　　要

NOVELTY - A three-dimensional porous graphene/sulfur composite anode material comprises three-dimensional porous graphene frame in which surface is deposited by elemental sulfur. USE - Three-dimensional porous graphene/sulfur composite anode material used for lithium-sulfur battery (claimed). ADVANTAGE - The anode material has controllable sulfur loading quantity, high utilization rate of active material sulfur, high specific capacity, high energy density, and high stability and greatly improves cycle performance of battery. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of anode material comprising taking graphene oxide dispersion liquid, adding sodium bisulfite, reacting at 50-100 degrees C, adding sodium sulfide to pH of 6.5-.5, liquid-solid separating, and freeze-drying.