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Issue 18, 2012
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Electrospun porous ZnCo2O4nanotubes as a high-performance anode material for lithium-ion batteries

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Abstract

Porous ZnCo2O4 nanotubes were synthesized for the first time by an easy single-nozzle electrospinning strategy combined with subsequent heating treatment. The ZnCo2O4 nanotubes are polycrystalline with diameters of 200–300 nm and lengths up to several millimeters. The walls are ∼50 nm thick, comprising interconnected ZnCo2O4 nanocrystals (∼30 nm) and numerous nanopores (∼3 nm). When tested as an anode material for lithium-ion batteries, the resulting ZnCo2O4 nanotubes exhibit superior electrochemical lithium-storage performances with high specific capacity, good cyclability, and excellent rate capability. A high reversible capacity of 1454 mAh g−1 at 100 mA g−1 is achieved, and even reaches 794 mAh g−1 at a current density as high as 2000 mA g−1 after 30 discharge/charge cycles, indicating a promising anode candidate for lithium-ion batteries.

Graphical abstract: Electrospun porous ZnCo2O4 nanotubes as a high-performance anode material for lithium-ion batteries

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Supplementary files

Article information


Submitted
05 Jan 2012
Accepted
02 Mar 2012
First published
28 Mar 2012

J. Mater. Chem., 2012,22, 8916-8921
Article type
Paper

Electrospun porous ZnCo2O4 nanotubes as a high-performance anode material for lithium-ion batteries

W. Luo, X. Hu, Y. Sun and Y. Huang, J. Mater. Chem., 2012, 22, 8916
DOI: 10.1039/C2JM00094F

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