Highly ordered iron oxide nanotube arrays as electrodes for electrochemical energy storage

Keyu Xie; Jie Li; Yanqing Lai; Wei Lu; Zhi'An Zhang; Yexiang Liu; Limin Zhou; Haitao Huang

doi:10.1016/j.elecom.2011.03.040

Highly ordered iron oxide nanotube arrays as electrodes for electrochemical energy storage

Keyu Xie, Jie Li, Yanqing Lai, Wei Lu, Zhi'An Zhang, Yexiang Liu, Limin Zhou, Haitao Huang

Research output: Contribution to journal › Article › peer-review

306 Scopus citations

Abstract

Highly ordered α-Fe₂O₃ nanotube arrays have been fabricated by a simple and cost-effective anodization method on iron foils. The α-Fe₂O₃ nanotube arrays exhibit high specific capacitance (138 F•g^{- 1} at 1.3 A•g^{- 1}), remarkable rate capability (91 F•g^{- 1} at 12.8 A•g ^{- 1}) and good cycling stability (the capacitance retention close to 89% after 500 cycles), due to the unique nanostructures of the α-Fe ₂O₃ nanotube arrays, which providing high surface area, fast ion transport pathways and robust structures. These features made the α-Fe₂O₃ nanotube array electrode very attractive for supercapacitor applications.

Original language	English
Pages (from-to)	657-660
Number of pages	4
Journal	Electrochemistry Communications
Volume	13
Issue number	6
DOIs	https://doi.org/10.1016/j.elecom.2011.03.040
State	Published - Jun 2011
Externally published	Yes

Keywords

Anodization
Iron oxide
Nanotube array
Supercapacitors

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10.1016/j.elecom.2011.03.040

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title = "Highly ordered iron oxide nanotube arrays as electrodes for electrochemical energy storage",

abstract = "Highly ordered α-Fe2O3 nanotube arrays have been fabricated by a simple and cost-effective anodization method on iron foils. The α-Fe2O3 nanotube arrays exhibit high specific capacitance (138 F•g- 1 at 1.3 A•g- 1), remarkable rate capability (91 F•g- 1 at 12.8 A•g - 1) and good cycling stability (the capacitance retention close to 89% after 500 cycles), due to the unique nanostructures of the α-Fe 2O3 nanotube arrays, which providing high surface area, fast ion transport pathways and robust structures. These features made the α-Fe2O3 nanotube array electrode very attractive for supercapacitor applications.",

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T1 - Highly ordered iron oxide nanotube arrays as electrodes for electrochemical energy storage

AU - Xie, Keyu

AU - Li, Jie

AU - Lai, Yanqing

AU - Lu, Wei

AU - Zhang, Zhi'An

AU - Liu, Yexiang

AU - Zhou, Limin

AU - Huang, Haitao

PY - 2011/6

Y1 - 2011/6

N2 - Highly ordered α-Fe2O3 nanotube arrays have been fabricated by a simple and cost-effective anodization method on iron foils. The α-Fe2O3 nanotube arrays exhibit high specific capacitance (138 F•g- 1 at 1.3 A•g- 1), remarkable rate capability (91 F•g- 1 at 12.8 A•g - 1) and good cycling stability (the capacitance retention close to 89% after 500 cycles), due to the unique nanostructures of the α-Fe 2O3 nanotube arrays, which providing high surface area, fast ion transport pathways and robust structures. These features made the α-Fe2O3 nanotube array electrode very attractive for supercapacitor applications.

AB - Highly ordered α-Fe2O3 nanotube arrays have been fabricated by a simple and cost-effective anodization method on iron foils. The α-Fe2O3 nanotube arrays exhibit high specific capacitance (138 F•g- 1 at 1.3 A•g- 1), remarkable rate capability (91 F•g- 1 at 12.8 A•g - 1) and good cycling stability (the capacitance retention close to 89% after 500 cycles), due to the unique nanostructures of the α-Fe 2O3 nanotube arrays, which providing high surface area, fast ion transport pathways and robust structures. These features made the α-Fe2O3 nanotube array electrode very attractive for supercapacitor applications.

KW - Anodization

KW - Iron oxide

KW - Nanotube array

KW - Supercapacitors

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Highly ordered iron oxide nanotube arrays as electrodes for electrochemical energy storage

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