▎ 摘 要
NOVELTY - High performance graphene composite cathode material comprises graphene, sheet tin sulfide (SnS) and hollow cage-shaped cobalt sulfide (CoS) synthesized in situ on the surface of the graphene. USE - The material is useful for lithium ion battery. ADVANTAGE - The material has exhibits good rate performance and cycle performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the graphene composite cathode material.