Novel three-dimensional tin/carbon hybrid core/shell architecture with large amount of solid cross-linked micro/nanochannels for lithium ion battery application
Date
2015
Authors
Yang, Z.
Meng, Q.
Yan, W.
Lv, J.
Guo, Z.
Yu, X.
Chen, Z.
Guo, T.
Zeng, R.
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Advisors
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Journal article
Citation
Energy, 2015; 82:960-967
Statement of Responsibility
Zunxian Yang, Qing Meng, Wenhuan Yan, Jun Lv, Zaiping Guo, Xuebin Yu, Zhixin Chen, Tailiang Guo, Rong Zeng
Conference Name
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.
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© 2015 Elsevier Ltd. All rights reserved.