▎ 摘 要
NOVELTY - A composite material comprises tin-cobalt sulfide loaded in graphene, in the ratio of 1:1:4:2. USE - Tin-cobalt sulfide composite nano crystal-graphene composite material used in lithium ion batteries. ADVANTAGE - The composite material provides batteries with high performance, and is prepared by a simple and easy process. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the composite material.