Volume 48, Issue 35 pp. 6485-6489
Communication

Encapsulation of Sn@carbon Nanoparticles in Bamboo-like Hollow Carbon Nanofibers as an Anode Material in Lithium-Based Batteries

Yan Yu Dr.

Yan Yu Dr.

Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart (Germany)

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Lin Gu Dr.

Lin Gu Dr.

Stuttgart Center for Electron Microscopy, Max-Planck Institute for Metals Research, Heisenbergstrasse 3, 70569 Stuttgart (Germany)

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Chunlei Wang Prof.

Chunlei Wang Prof.

Department of Mechanical and Materials Engineering, Florida International University, Miami, FL 33174 (USA)

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Abirami Dhanabalan

Abirami Dhanabalan

Department of Mechanical and Materials Engineering, Florida International University, Miami, FL 33174 (USA)

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Peter A. van Aken Priv.-Doz.

Peter A. van Aken Priv.-Doz.

Stuttgart Center for Electron Microscopy, Max-Planck Institute for Metals Research, Heisenbergstrasse 3, 70569 Stuttgart (Germany)

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Joachim Maier Prof. Dr.

Joachim Maier Prof. Dr.

Max Planck Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart (Germany)

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First published: 12 August 2009
Citations: 550

We acknowledge financial support from the US Air Force (FA9550-07-1-0344 and FA9550-08-1-0287) and the European Union under the Framework 6 program under a contract for an Integrated Infrastructure Initiative ESTEEM Reference 026019. Y.Y. is grateful for a scholarship from the Alexander von Humboldt foundation.

Graphical Abstract

Carbon-coated Sn nanoparticles in carbon nanofibers (see image) were fabricated by pyrolysis of coaxially electrospun nanofibers as an anode material for Li-ion batteries. The significantly improved electrochemical performance of such an electrode is believed to result from the unique nanostructure consisting of a thin carbon shell around tin nanoparticles, which are further encapsulated in hollow carbon nanofibers.

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