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Fabrication and characterization of Fe3O4 octahedrons via an EDTA-assisted route

机译:Fe3O4八面体通过EDTA辅助路线的制备和表征

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Octahedral-like magnetite was fabricated using an ethylenediamine tetraacetic acid (EDTA)-assisted route under mild conditions. The as-prepared powders were characterized in detail by conventional techniques such as X-ray diffraction (XRD) and scanning electron microscopy (SEM). On the basis of these methods, the growth mechanism was discussed. EDTA plays important roles in the formation of the products. This method can be easily controlled and is expected to be applicable for the preparation of other metal oxides with special morphologies. Also, the magnetic properties of the samples were characterized on a vibrating sample magnetometer (VSM). The sample exhibits a high first discharge capacity of 884 mAh/g, which enables it to be used for a lithiumion battery.
机译:在温和的条件下,使用乙二胺四乙酸(EDTA)辅助路线制备了八面体状磁铁矿。通过常规技术,例如X射线衍射(XRD)和扫描电子显微镜(SEM),对所制备的粉末进行详细表征。在这些方法的基础上,讨论了其生长机理。 EDTA在产品的形成中起着重要作用。该方法易于控制,有望用于制备其他具有特殊形貌的金属氧化物。另外,样品的磁性能在振动样品磁力计(VSM)上进行了表征。该样品表现出高的884 mAh / g的首次放电容量,使其能够用于锂离子电池。

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