Novel three-dimensional tin/carbon hybrid core/shell architecture with large amount of solid cross-linked micro/nanochannels for lithium ion battery application

Zunxian Yang, Qing Meng, Wenhuan Yan, Jun Lv, Zaiping Guo, Xuebin Yu, Zhixin Chen, Tailiang Guo and Rong Zeng

Energy, 2015, vol. 82, issue C, 960-967

Abstract: Uniform Sn/C hybrid core/shell nanocomposites were synthesized by a combination of electrospinning and subsequent thermal treatment in a reducing atmosphere. The particular three-dimensional architecture, consisting of a Sn@C nanoparticle core and porous hollow carbon nanofiber shell, is characterized by many micro/nanochannels, enhanced mechanical support from the three-dimensional hollow carbon shell, and the abundant porous carbon matrix. The as-prepared Sn/C core/shell nanomaterials exhibit excellent electrochemical performance. They display a reversible capacity of 546.7 mAhg−1 up to 100 cycles at the current density of 40 mAg−1 and good rate capability of 181.8 mAhg−1 at 4000 mAg−1. These results indicate that the composite could be a promising anode candidate for lithium ion batteries.

Keywords: Tin/carbon core/shell nanofibers; Three-dimensional architecture; Encapsulation of tin/carbon nanocrystals; Lithium-ion battery (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:82:y:2015:i:c:p:960-967

DOI: 10.1016/j.energy.2015.01.105

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