Fe2O3-reduced graphene oxide composites synthesized via microwave-assisted method for sodium ion batteries

被引：132
作者：
Liu, Xinjuan [1 ]
Chen, Taiqiang [2 ]
Chu, Haipeng [1 ]
Niu, Lengyuan [1 ]
Sun, Zhuo [2 ]
Pan, Likun [2 ]
Sun, Chang Q. [1 ]
机构：
[1] China Jiliang Univ, Coll Mat Sci & Engn, Inst Coordinat Bond Metrol & Engn, Hangzhou 310018, Zhejiang, Peoples R China
[2] E China Normal Univ, Shanghai Key Lab Magnet Resonance, Engn Res Ctr Nanophoton & Adv Instrument, Minist Educ,Dept Phys, Shanghai 200062, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2015年 / 166卷
基金：
中国国家自然科学基金;
关键词：
Fe2O3-reduced graphene oxide; microwave assisted synthesis; sodium ion battery; anode material; HIGH-PERFORMANCE ANODE; LONG-LIFE; ELECTROCHEMICAL PERFORMANCE; ELECTRODE MATERIALS; LITHIUM-STORAGE; HIGH-CAPACITY; NANOSHEETS; REDUCTION; NANOCOMPOSITE; MICROSPHERES;
D O I：
10.1016/j.electacta.2015.03.081
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Fe2O3-reduced graphene oxide (RGO) composites were successfully fabricated via a facile microwave-assisted reduction of graphite oxide in Fe2O3 precursor solution using a microwave system, and investigated as anode material for sodium ion batteries (SIBs). Their morphologies, structures and electrochemical performance were characterized by transmission electron microscopy, X-ray diffraction, Raman spectroscopy, cyclic voltammetry and electrochemical impedance spectroscopy, respectively. The results show that the RGO addition can enhance the electrochemical performance of Fe2O3-RGO composites. Fe2O3-RGO composite with 30 wt.% RGO exhibits a maximum reversible capacity of 289 mA h g (1) at a current density of 50 mA g (1) after 50 cycles and excellent rate performance due to the synergistic effect between Fe2O3 and RGO. The high capacity, good rate capability and excellent cycle performance of Fe2O3-RGO composites enable them a potential electrode material for SIBs. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：12 / 16
页数：5
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