Hierarchical NiFe2O4/Fe2O3 nanotubes derived from metal organic frameworks for superior lithium ion battery anodes

Gang Huang; Feifei Zhang; Leilei Zhang; Xinchuan Du; Jianwei Wang; Limin Wang

doi:10.1039/C4TA00200H

Hierarchical NiFe₂O₄/Fe₂O₃ nanotubes derived from metal organic frameworks for superior lithium ion battery anodes†

Gang Huang,^ac Feifei Zhang,^ac Leilei Zhang,^ac Xinchuan Du,^ac Jianwei Wang^ac and Limin Wang*^ab

* Corresponding authors

^a State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, CAS, Changchun, China
E-mail: lmwang@ciac.ac.cn
Fax: +86-431-85262836
Tel: +86-431-85262447

^b Changzhou Institute of Energy Storage Materials and Devices, Changzhou 213000, China

^c University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

A simple method for the synthesis of NiFe₂O₄/Fe₂O₃ nanotubes by annealing core–shell Fe₂Ni MIL-88/Fe MIL-88 metal organic frameworks (MOFs) has been developed. The crystalline phase, morphology and specific surface area (BET) of the resulting sample have been systematically characterized. The results indicate that the NiFe₂O₄/Fe₂O₃ nanotubes, which have diameters of 78 nm and lengths of around 1 μm, are composed of nano-sized primary particles. The electrochemical performance of the NiFe₂O₄/Fe₂O₃ nanotubes when used as an anode material for lithium ion batteries has also been tested. A reversible specific capacity of 936.9 mA h g⁻¹ was achieved at a current density of 100 mA g⁻¹ up to 100 cycles. Even at 2000 mA g⁻¹, the discharge capacity of the composite anode could still reach 423.6 mA h g⁻¹. The enhanced electrochemical performance of the NiFe₂O₄/Fe₂O₃ nanotube anode can be ascribed to the rational design of the hierarchical porous hollow structures and the synergetic effect of different functional components.

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Article information

DOI: https://doi.org/10.1039/C4TA00200H
Article type: Paper
Submitted: 13 Jan 2014
Accepted: 04 Mar 2014
First published: 04 Mar 2014

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J. Mater. Chem. A, 2014,2, 8048-8053

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Hierarchical NiFe₂O₄/Fe₂O₃ nanotubes derived from metal organic frameworks for superior lithium ion battery anodes

G. Huang, F. Zhang, L. Zhang, X. Du, J. Wang and L. Wang, J. Mater. Chem. A, 2014, 2, 8048 DOI: 10.1039/C4TA00200H

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Journal of Materials Chemistry A