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Here graphene coating magnetite/N-doped carbon hybrid materials (G@Fe3O4/NC) have been synthesized. Structural characterizations revealed that Fe3O4/N-doped carbon was wrapped tightly and uniformly by graphene nanosheets via π-π interactions, which preventing the volume expansion of the material during the charge/discharge processes. G@Fe3O4/NC hybrid composites exhibited a large discharge specific...
A micro/nano flower-like Ni3V2O8 superstructure composed of uniform two-dimensional (2D) nanoplates with thicknesses of 20–50nm had been successfully synthesized using a facile one-step hydrothermal approach. It was found that the pH value of the mixed precursor solutions played a key role in the formation of flower-like Ni3V2O8 structure. Importantly, the flower-like Ni3V2O8 exhibited a high reversible...
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