▎ 摘　　要

NOVELTY - Preparation of lithium sulfur battery anode material comprises preparing graphene oxide by using improved Hummers method; adding 1-10 mg/mL first water solution and 1-100 mg/mL 10-300 nm silicon dioxide balls as template material , mixing, ultrasonically dispersing for 1-5 hours at 300-650 W, magnetically stirring, spray-drying at 30-100 degrees C, reducing at 150-250 degrees C, soaking in 5-40% hydrofluoric acid for 6-24 hours, and etching; and adding pure phase nano sulfur powder at ratio of 1:1-10, ball milling for 2-4 hours, heat treating and melting at 100-200 degrees C for 8-12 hours. USE - Method for preparing lithium sulfur battery anode material (claimed). ADVANTAGE - The method overcomes low quantity effective load of sulfur in lithium-sulfur battery anode material, volume expansion effect, and instable electrochemical performance. DETAILED DESCRIPTION - Preparation of lithium sulfur battery anode material comprises preparing graphene oxide by using improved Hummers method; adding 1-10 mg/mL first water solution and 1-100 mg/mL 10-300 nm silicon dioxide balls as template material at ratio of 1:1-10, mixing, ultrasonically dispersing for 1-5 hours at 300-650 W, magnetically stirring, spray-drying at 30-100 degrees C, reducing at 150-250 degrees C, soaking in 5-40% hydrofluoric acid for 6-24 hours, and etching; and adding pure phase nano sulfur powder at ratio of 1:1-10, ball milling for 2-4 hours at 100-500 revolutions/minute, heat treating and melting at 100-200 degrees C for 8-12 hours.