Electrochemical properties of α-Fe2O3 /MWCNTs as anode materials for lithium-ion batteries

Title
Electrochemical properties of α-Fe2O3 /MWCNTs as anode materials for lithium-ion batteries
Authors
Yudai HuangZhifang DongDianzeng JiaZaiping Guo조원일
Keywords
α-Fe2O3; /MWCNTs; Hydrothermal method; Anode materials; Lithium-ion batteries
Issue Date
2011-10
Publisher
Solid state ionics
Citation
VOL 201, NO 1, 54-59
Abstract
α-Fe2O3/MWCNTs composites were prepared by a simple hydrothermal process. The crystalline structure and the electrochemical performance of the as-synthesized samples were investigated. Results show that as anode materials for lithium-ion batteries, the α-Fe2O3/MWCNTs exhibit an initial discharge capacity of 1256± 5 mAh g−1 and a stable specific discharge capacity of 430±5 mAh g−1 at ambient temperature, for up to 100 cycles with no noticeable capacity fading, while the initial discharge capacity of the bare Fe2O3 is 992.3 mAh g−1, and the discharge capacity is 146.6 mAh g−1 after 100 cycles. Moreover, the α-Fe2O3/ MWCNTs composites also exhibit excellent rate performance.
URI
http://pubs.kist.re.kr/handle/201004/40703
ISSN
0167-2738
Appears in Collections:
KIST Publication > Article
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