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Fabrication of Cobalt and Cobalt Oxide/Graphene Composites: Towards High-Performance Anode Materials for Lithium Ion Batteries



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Pave a way to high-performance anode materials: Organic metal/graphene composites are fabricated through an in situ assembly of disc-shaped phthalocyanine molecules with graphene sheets during the chemical reduction of graphite oxide, which enables a homogenous dispersion of Co and Co3O4 nanoparticles in the sheets after simple pyrolysis and oxidation. The resulting Co3O4/graphene composites exhibit remarkable lithium storage performance.