▎ 摘　　要

NOVELTY - Preparation of graphene template vertical growth macroporous manganese oxide nanosheet composite material comprises growing or covering manganese oxide on the surface of graphene. USE - Method of preparing graphene template vertical growth macroporous manganese oxide nanosheet composite material used for high-performance lithium-ion battery cathode (claimed). ADVANTAGE - The material has excellent specific power, cycle stability, simple process and low production costs and is environment friendly.