Highly reversible lithium storage in Si (core)-hollow carbon nanofibers 
(sheath) nanocomposites

Wang, J. Q.; Yu, Y.; Gu, L.; Wang, C. L.; Tang, K.; Maier, J.

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Highly reversible lithium storage in Si (core)-hollow carbon nanofibers (sheath) nanocomposites

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Maier, J.
Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Wang, J. Q., Yu, Y., Gu, L., Wang, C. L., Tang, K., & Maier, J. (2013). Highly reversible lithium storage in Si (core)-hollow carbon nanofibers (sheath) nanocomposites. Nanoscale, 5(7), 2647-2650.

Cite as: https://hdl.handle.net/21.11116/0000-000E-C76F-6

Abstract

A favorable Si (core)-hollow carbon nanofiber (sheath) nanocomposite, was synthesized by a coaxial electrospinning technique. As a potential anode material for LIBs, this composite displays a high reversible capacity of 1300 mA h g(-1) even after 80 cycles at 0.5 C. It also exhibits a reversible discharge capacity as high as 700 mA h g(-1) when cycled at 3 C. This makes the Si-C composite a promising candidate for use as an anode material in lithium ion batteries. Beyond that, coaxial electrospinning has proved itself as a powerful technique to prepare nanomaterials with hollow core-shell architectures.