Porous Iron Oxide Ribbons Grown on Graphene for High-Performance Lithium Storage
作者： Shubin Yang , Yi Sun , Long Chen , Yenny Hernandez , Xinliang Feng
DOI: 10.1038/SREP00427
关键词: Electrolyte 、 Iron oxide 、 Materials science 、 Annealing (metallurgy) 、 Nanostructure 、 Graphite 、 Chemical engineering 、 Graphene 、 Nucleation 、 Transition metal
摘要: A well-designed nanostructure of transition metal oxides has been regarded as a key to solve their problems large volume changes during lithium insertion-desertion processes which are associated with pulverization the electrodes and rapid capacity decay. Here we report an effective approach for fabrication porous iron oxide ribbons by controlling nucleation growth precursor onto graphene surface followed annealing treatment. The resultant possess aspect ratio, structure, thin feature enhanced open-edges. These characteristics favorable fast diffusion ions electrons, meanwhile can effectively accommodate change cycling processes. As consequence, graphene-induced exhibit high reversible excellent cycle stability storage.
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