▎ 摘 要
NOVELTY - Preparation of metal sulfate porous frame/graphene composite fiber comprises mixing metal-organic framework crystal powder and oxidized graphene as precursor and calcining. USE - Method for preparing metal sulfate porous frame/graphene composite fiber used in energy, environment, or flexible device fields (claimed). ADVANTAGE - The composite fiber has excellent performance, can be used as lithium ion battery cathode material, and has excellent performance.