Abstract
Fe3O4 nano-powder was prepared by the hydrothermal method. The structure and morphology of the product were characterized by X-ray diffraction (XRD) and scanning electronic microscopy (SEM). The as-prepared powder has regularly spherical morphology, and the average size of product is about 25 nm. The possible application use of this material as the active mass of anode for rechargeable Li batteries was examined by cyclic voltammeter (CV), galvanostatic charge/discharge. The experimental results showed that this material exhibited large specific capacity at the first cycle, and the discharge and charge capacity retention of this electrode are 37.04% and 48.76%, respectively. Furthermore, the impedance change of Fe3O4 electrode under different cycle number and potential was examined.
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Supported by the National Natural Science Foundation of China (Grant No. 20376086)
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Wang, F., Chen, J., Huang, K. et al. Preparation and electrochemical performance of spherical Fe3O4 as anode materials for Li-ion batteries. Sci. China Ser. E-Technol. Sci. 52, 3219–3223 (2009). https://doi.org/10.1007/s11431-009-0310-2
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DOI: https://doi.org/10.1007/s11431-009-0310-2