Hydrothermal synthesis and electrochemical properties of MnFe2O4 nanoplates

Hanfeng Liang, Xun Xu, Jinqing Hong, Zhoucheng Wang*

Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Xiamen, 361000, China

Adv. Mater. Lett., 2017, 8 (11), pp 1052-1056

DOI: 10.5185/amlett.2017.1543

Publication Date (Web): Aug 05, 2017

E-mail: zcwang@xmu.edu.cn

Abstract


MnFe2O4 nanoplates have been synthesized by a simple hydrothermal method. X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), transmission electron microscopy (TEM), and selected area electron diffraction (SAED) have been employed to characterize the structure and morphology of the as-prepared sample. The results show that the products are plate-like morphology with 100-500 nm in length and 100-200 nm in thickness. Contrast experiments indicate that the formation of the plate-like nanostructure could be ascribed to the effect of citrate complexation. Magnetic measurements at 300 K gave the saturation magnetization and the coercive field of nanoplates 39.2 emu g-1 and 91.5 Oe, respectively. The electrochemical performance as anode material for lithium-ion batteries was further evaluated by cyclic voltammetry (CV), electrochemical impedance and charge-discharge measurements. It was demonstrated that the material could provide an initial reversible capacity of 1067 mAh g-1 at a current density of 0.1 mA cm-2 over the voltage range from 0.5 to 3.0 V. 

Keywords

Magnetic materials, hydrothermal synthesis, formation mechanism, magnetic properties, electrochemical properties.

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