▎ 摘　　要

NOVELTY - The material comprises organic cracking carbon provided with silicon oxide particles. Silicon oxide is coated on a surface of a graphene sheet that is provided with graphite. The silicon oxide particles are provided with graphite alkene. USE - Silicon oxide/carbon composite material. ADVANTAGE - The material ensures high power charging and discharging performance, and is inexpensive. The material has high working efficiency and volume expansion effect. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following: (1) a silicon oxide/carbon composite material preparing method (2) a lithium ion battery. DESCRIPTION OF DRAWING(S) - The drawing shows a graph of silicon oxide/carbon composite material cycle performance curve