Micro-sized and Nano-sized Fe(3)O(4) Particles as Anode Materials for Lithium-ion Batteries

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	Micro-sized and Nano-sized Fe(3)O(4) Particles as Anode Materials for Lithium-ion Batteries
	Y. X. Chen; L. H. He; P. J. Shang; Q. L. Tang; Z. Q. Liu; H. B. Liu; L. P. Zhou
	2011
发表期刊	Journal of Materials Science & Technology
ISSN	1005-0302
卷号	27 期号:1 页码:41-45
摘要	Micro-sized (1030.3 +/- 178.4 nm) and nano-sized (50.4 +/- 8.0 nm) Fe(3)O(4) particles have been fabricated through hydrogen thermal reduction of alpha-Fe(2)O(3) particles synthesized by means of a hydrothermal process. The morphology and microstructure of the micro-sized and the nano-sized Fe(3)O(4) particles were characterized by X-ray diffraction, field-emission gun scanning electron microscopy, transmission electron microscopy and high-resolution electron microscopy. The micro-sized Fe(3)O(4) particles exhibit porous structure, while the nano-sized Fe(3)O(4) particles are solid structure. Their electrochemical performance was also evaluated. The nano-sized solid Fe(3)O(4) particles exhibit gradual capacity fading with initial discharge capacity of 1083.1 mAhg(-1) and reversible capacity retention of 32.6% over 50 cycles. Interestingly, the micro-sized porous Fe(3)O(4) particles display very stable capacity-cycling behavior, with initial discharge capacity of 887.5 mAhg(-1) and charge capacity of 684.4 mAhg(-1) at the 50th cycle. Therefore, 77.1% of the reversible capacity can be maintained over 50 cycles. The micro-sized porous Fe(3)O(4) particles with facile synthesis, good cycling performance and high capacity retention are promising candidate as anode materials for high energy-density lithium-ion batteries.
部门归属	[chen, y. x.; he, l. h.; tang, q. l.; liu, h. b.; zhou, l. p.] hunan univ, coll mat sci & engn, changsha 410082, hunan, peoples r china. [shang, p. j.; liu, z. q.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;chen, yx (reprint author), hunan univ, coll mat sci & engn, changsha 410082, hunan, peoples r china;yxchen@hnu.edu.cn zqliu@imr.ac.cn
关键词	Lithium-ion Battery Fe(3)o(4) Porous Structure Anode Materials Electrochemical Properties Fe2o3-loaded Carbon Electrode Materials Negative-electrode Alpha-fe2o3 Nanoparticles Nanofibers Hematite Li
URL	查看原文
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/30278
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. X. Chen,L. H. He,P. J. Shang,et al. Micro-sized and Nano-sized Fe(3)O(4) Particles as Anode Materials for Lithium-ion Batteries[J]. Journal of Materials Science & Technology,2011,27(1):41-45.
APA	Y. X. Chen.,L. H. He.,P. J. Shang.,Q. L. Tang.,Z. Q. Liu.,...&L. P. Zhou.(2011).Micro-sized and Nano-sized Fe(3)O(4) Particles as Anode Materials for Lithium-ion Batteries.Journal of Materials Science & Technology,27(1),41-45.
MLA	Y. X. Chen,et al."Micro-sized and Nano-sized Fe(3)O(4) Particles as Anode Materials for Lithium-ion Batteries".Journal of Materials Science & Technology 27.1(2011):41-45.

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