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Issue 34, 2012
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Three-dimensional nanoarchitecture of Sn–Sb–Co alloy as an anode of lithium-ion batteries with excellent lithium storage performance

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Abstract

A novel nanoarchitectured Sn–Sb–Co alloy electrode is reported, which was prepared by direct electrodeposition on a Cu nanoribbon array in order to target the rapidly fading capacity and the poor rate-capability issues of Sn based materials for Li-ion batteries. The SEM images indicate a three-dimensional (3D) nanoarchitectured Sn–Sb–Co alloy with an array structure. Electrochemical measurements show that the 3D nanoarchitectured Sn54Sb41Co5 alloy electrode exhibits a reversible capacity as high as 512.8 mA h g−1 at 0.2 C (1 C = 650 mA g−1) after 150 cycles. Furthermore, the 3D nanoarchitectured Sn54Sb41Co5 anode can deliver a high reversible capacity (275 mA h g−1) up to the 80th cycle at a high discharge–charge rate of 23 C (∼15 A g−1). These outstanding electrochemical properties are attributed to the unique nanoarchitectures of the Sn54Sb41Co5 electrodes, making them an excellent anode material.

Graphical abstract: Three-dimensional nanoarchitecture of Sn–Sb–Co alloy as an anode of lithium-ion batteries with excellent lithium storage performance

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Publication details

The article was received on 07 Apr 2012, accepted on 19 Jun 2012 and first published on 20 Jun 2012


Article type: Paper
DOI: 10.1039/C2JM32162A
Citation: J. Mater. Chem., 2012,22, 17511-17517
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    Three-dimensional nanoarchitecture of Sn–Sb–Co alloy as an anode of lithium-ion batteries with excellent lithium storage performance

    F. Ke, L. Huang, B. C. Solomon, G. Wei, L. Xue, B. Zhang, J. Li, X. Zhou and S. Sun, J. Mater. Chem., 2012, 22, 17511
    DOI: 10.1039/C2JM32162A

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