▎ 摘　　要

NOVELTY - The method involves adding solvent into graphene. A suspension part is formed on a continuous filtering or spraying filter film, where temperature range of suspension part is maintained at 50-120 degrees Celsius. The graphene is obtained based on drying condition of the continuous filtering or spraying filter film, where transverse size of the graphene is 1 micron and mass ratio of the grapheme is 1: (1 to 50) and the solvent contains alcohol, ketone, aldehyde, organic acid, N-methyl pyrrolidone, dimethyl formamide, dimethyl acetamide and chlorobenzene or dichlorobenzene. USE - Method for preparing graphite alkenyl material for current collector utilized in a lithium ion battery and a lithium-sulfur battery (all claimed). ADVANTAGE - The method enables ensuring lithium-sulfur battery effect, strong electrolyte absorbing and storing capacity effect, simple and easy processing effect and high application value, reducing weight of a lithium-sulfur battery, multi-electrode material and industrial preparation cost, increasing density value of a current collector and charging and discharging effect of the lithium-sulfur battery and improving performance level of the lithium-sulfur battery. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for an application of graphite alkenyl material. DESCRIPTION OF DRAWING(S) - The drawing shows a photographic view illustrating a method for preparing graphite alkenyl material.