▎ 摘　　要

NOVELTY - The composite has a graphene foam (1), carbon nanotube (2) and a sulfur (3). The carbon nanotubes are formed on the surface of the graphene foam. The sulfur is compounded with the graphene foam and the carbon nanotubes. The graphene foam has a nano-scale size and pores. The particle size of the graphene foam is 600-1000 nm. The sulfur content is 70 to 75 wt%. USE - Graphene foam composite for use in composite electrode of lithium-sulfur battery (all claimed). ADVANTAGE - The composite improves the reaction kinetics of the positive electrode of a lithium-sulfur battery and the utilization rate of active materials, and is more multidimensional then the good suppression of the shuttle effect of polysulfides is obtained. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a preparation method for graphene foam composite. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the graphene foam composite. Graphene foam (1) Carbon nano-tube (2) Sulphur (3)