Shape evolution of α-Fe2 O3 and its size-dependent electrochemical properties for lithium-ion batteries

Yanna NuLi; Peng Zhang; Zaiping Guo; Huakun Liu

doi:10.1149/1.2826278

Shape evolution of α-Fe2 O3 and its size-dependent electrochemical properties for lithium-ion batteries

Yanna NuLi
, Peng Zhang
, Zaiping Guo
, Huakun Liu

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

86 Citations (Scopus)

Abstract

Crystalline α- Fe2 O3 with different particle shapes and sizes was selectively synthesized by a simple hydrothermal method. By carefully tuning the concentration of the reactants and the reaction time, α- Fe2 O3 cuboid particles and nanowires can be obtained. Based on the evidence of electron microscope images, a shape evolution mechanism for the nanowire structure is proposed. Electrochemical performance as an anode material for lithium-ion batteries was further evaluated by cyclic voltammetry, electrochemical impedance, and charge-discharge measurements. It was demonstrated that both the morphology and the particle size had an influence on the performance. Compared with the electrode made from the cuboid material, the nanowire electrode displayed higher discharge capacity and better cycling reversibility, which may be a result of the one-dimensional nanostructure and high surface area. © 2008 The Electrochemical Society.

Original language	English
Journal	Journal of the Electrochemical Society
Volume	155
Issue number	3
DOIs	https://doi.org/10.1149/1.2826278
Publication status	Published - 2008
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

This work was financially supported by the Australian Research Council through a Linkage project (LP0775456). University of Wollongong assisted in meeting the publication costs of this article.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

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title = "Shape evolution of α-Fe2 O3 and its size-dependent electrochemical properties for lithium-ion batteries",

abstract = "Crystalline α- Fe2 O3 with different particle shapes and sizes was selectively synthesized by a simple hydrothermal method. By carefully tuning the concentration of the reactants and the reaction time, α- Fe2 O3 cuboid particles and nanowires can be obtained. Based on the evidence of electron microscope images, a shape evolution mechanism for the nanowire structure is proposed. Electrochemical performance as an anode material for lithium-ion batteries was further evaluated by cyclic voltammetry, electrochemical impedance, and charge-discharge measurements. It was demonstrated that both the morphology and the particle size had an influence on the performance. Compared with the electrode made from the cuboid material, the nanowire electrode displayed higher discharge capacity and better cycling reversibility, which may be a result of the one-dimensional nanostructure and high surface area. {\textcopyright} 2008 The Electrochemical Society.",

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AU - NuLi, Yanna

AU - Zhang, Peng

AU - Guo, Zaiping

AU - Liu, Huakun

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

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N2 - Crystalline α- Fe2 O3 with different particle shapes and sizes was selectively synthesized by a simple hydrothermal method. By carefully tuning the concentration of the reactants and the reaction time, α- Fe2 O3 cuboid particles and nanowires can be obtained. Based on the evidence of electron microscope images, a shape evolution mechanism for the nanowire structure is proposed. Electrochemical performance as an anode material for lithium-ion batteries was further evaluated by cyclic voltammetry, electrochemical impedance, and charge-discharge measurements. It was demonstrated that both the morphology and the particle size had an influence on the performance. Compared with the electrode made from the cuboid material, the nanowire electrode displayed higher discharge capacity and better cycling reversibility, which may be a result of the one-dimensional nanostructure and high surface area. © 2008 The Electrochemical Society.

AB - Crystalline α- Fe2 O3 with different particle shapes and sizes was selectively synthesized by a simple hydrothermal method. By carefully tuning the concentration of the reactants and the reaction time, α- Fe2 O3 cuboid particles and nanowires can be obtained. Based on the evidence of electron microscope images, a shape evolution mechanism for the nanowire structure is proposed. Electrochemical performance as an anode material for lithium-ion batteries was further evaluated by cyclic voltammetry, electrochemical impedance, and charge-discharge measurements. It was demonstrated that both the morphology and the particle size had an influence on the performance. Compared with the electrode made from the cuboid material, the nanowire electrode displayed higher discharge capacity and better cycling reversibility, which may be a result of the one-dimensional nanostructure and high surface area. © 2008 The Electrochemical Society.

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DO - 10.1149/1.2826278

M3 - RGC 21 - Publication in refereed journal

SN - 0013-4651

VL - 155

JO - Journal of the Electrochemical Society

JF - Journal of the Electrochemical Society

IS - 3

ER -

Shape evolution of α-Fe2 O3 and its size-dependent electrochemical properties for lithium-ion batteries

Abstract

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Funding

UN SDGs

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