期刊
ELECTROCHIMICA ACTA
卷 153, 期 -, 页码 55-61出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2014.11.034
关键词
MoS2-reduced graphene oxide; microwave assisted synthesis; sodium ion battery; anode material
资金
- Basic Research Project of Shanghai Science and Technology Committee [14JC1491000]
MoS2-reduced graphene oxide (RGO) composites were synthesized via a facile microwave assisted reduction of graphene oxide in MoS2 precursor solution and subsequent annealing in N-2/H-2 atmosphere at 800 degrees C for 2 h. Their morphology, structure and electrochemical performance were characterized by field-emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Raman spectroscopy, N-2 adsorption-desorption isotherm, cyclic voltammetry and electrochemical impedance spectroscopy. The MoS2-RGO composites with different RGO loadings were applied as anode materials of sodium ion batteries (SIBs) and they exhibit a maximum reversible specific capacity of about 305mAhg(-1) at a current density of 100mA g(-1) after 50 cycles and excellent rate performance. The results demonstrate that MoS2-RGO could be a potential electrode material for rechargeable SIBs. (C) 2014 Elsevier Ltd. All rights reserved.
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