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This letter reports on the synthesis of Fe3O4@graphene composites (FGC) and their applications as anode materials in lithium-ion batteries (LIBs). As an anode material for LIBs, the FGC exhibited discharge and charge capacities of 1354 and 953mAhg−1 in the initial cycle at 200mAg−1, respectively. And more impressively, 639mAhg−1 was remained after a twenty-five fold increase in current density to...
Tetragonal stannous oxide (SnO) powders with different morphologies were solvothermally prepared from a single reactant in different solvents. Hydrazine hydrate (HZ), ethylenediamine, and their mixtures were employed as the solvents. The powders prepared in hydrazine hydrate and ethylenediamine are disc-like and spherical, respectively. In the mixed solvents, an evolution of crystal morphology between...
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