SYNTHESIS OF SUB-MICROMETER CARBON SUPPORTED Fe3O4 HOLLOW SPHERES WITH ENHANCED LITHIUM STORAGE PROPERTIES

被引：0
|
作者：
Zhang, Dongyang [1 ,2 ,3 ]
Zhou, Han [1 ,2 ]
Liang, Jin [1 ,2 ]
Ding, Shujiang [1 ,2 ]
机构：
[1] Xi An Jiao Tong Univ, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Shaanxi, Peoples R China
[2] Xi An Jiao Tong Univ, Sch Sci, Dept Appl Chem, Xian 710049, Shaanxi, Peoples R China
[3] Xian High Voltage Apparat Res Inst Co Ltd, Xian 710077, Shaanxi, Peoples R China
来源：
JOURNAL OF MOLECULAR AND ENGINEERING MATERIALS | 2013年 / 1卷 / 04期
关键词：
Lithium ion battery; anode material; magnetite; carbon supported; hollow sphere;
D O I：
10.1142/S2251237313400182
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we report an interesting approach for efficient synthesis of uniform sub-micrometer carbon supported Fe3O4 hollow spheres. Fe3O4 precursor was first coated on the surface of sulfonated polystyrene hollow microspheres. Then, the precursor and sulfonated polystyrene hollow microspheres were converted into Fe3O4 and carbon hollow spheres when heated at 550 degrees C in N-2 atmosphere. The obtained Fe3O4 @ carbon hollow microspheres exhibit enhanced lithium storage properties compared with Fe2O3 hollow spheres as anode materials, delivering a reversible capacity of 612 mA hg(-1) after 50 cycles at a high current density of 400 mA g(-1).
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页数：6
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