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Electrochemical investigation of microporous and mesoporous alpha-Fe2O3 particles for lithium-ion batteries
N. Zheng; Y. X. Chen; X. B. Deng; Z. Q. Liu; H. B. Liu
2014
Source PublicationMaterials Letters
ISSN0167-577X
Volume124Pages:4-7
Abstractalpha-Fe2O3 has been regarded as a promising candidate as anode materials for high energy-density lithium-ion batteries, because of its high capacity, low cost and environmental affinity. A facile hydrothermal route has been developed to synthesize monocrystalline microporous and mesoporous alpha-Fe2O3 particles by using anions Cl- and F- as pore-formation additives in precursor solution, respectively. Electrochemical investigation indicates that the mesoporous alpha-Fe2O3 particles display higher cyclic stabilities and capacity retentions than the microporous alpha-Fe2O3 particles at different current densities, although their sizes are in micrometer range, which indicate that the mesoporous alpha-Fe2O3 particles are promising anode candidate for high energy-density lithium-ion batteries. Furthermore, this facile hydrothermal route using anion Cl- or F- as pore-formation additives may be extended to synthesis of other porous metal oxides. (C) 2014 Elsevier B.V. All rights reserved.
description.department[zheng, na ; chen, yuxi ; deng, xiaobin ; liu, hongbo] hunan univ, coll mat & engn, changsha 410082, hunan, peoples r china. [liu, zhi-quan] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; chen, yx (reprint author), hunan univ, coll mat & engn, changsha 410082, hunan, peoples r china. ; yxchen@hnu.edu.cn
KeywordEnergy Storage And Conversion Lithium Ion Batteries Iron Oxide Hydrothermal Process Electron Microscopy Negative-electrode Nanoparticles Performance Hematite Carbon Li
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/72979
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
N. Zheng,Y. X. Chen,X. B. Deng,et al. Electrochemical investigation of microporous and mesoporous alpha-Fe2O3 particles for lithium-ion batteries[J]. Materials Letters,2014,124:4-7.
APA N. Zheng,Y. X. Chen,X. B. Deng,Z. Q. Liu,&H. B. Liu.(2014).Electrochemical investigation of microporous and mesoporous alpha-Fe2O3 particles for lithium-ion batteries.Materials Letters,124,4-7.
MLA N. Zheng,et al."Electrochemical investigation of microporous and mesoporous alpha-Fe2O3 particles for lithium-ion batteries".Materials Letters 124(2014):4-7.
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