Highly uniform TiO₂/SnO₂/carbon hybrid nanofibers with greatly enhanced lithium storage performance
Date
2013
Authors
Yang, Z.
Meng, Q.
Guo, Z.
Yu, X.
Guo, T.
Zeng, R.
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Journal article
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Journal of Materials Chemistry A, 2013; 1(35):10395-10402
Statement of Responsibility
Zunxian Yang, Qing Meng, Zaiping Guo, Xuebin Yu, Tailiang Guoa and Rong Zenge
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Abstract
Highly uniform, relatively large area TiO2/SnO2/carbon hybrid nanofibers were synthesized by a simple method based on thermal pyrolysis and oxidation of an as-spun titanium–tin/polyacrylonitrile nanoweb composite in an argon atmosphere. This novel composite features the uniform dispersion and encapsulation of highly uniform nanoscale TiO2/SnO2 crystals in a porous carbon matrix. The high porosity of the nanofiber composite material, together with the conductive carbon matrix, enhanced the electrochemical performance of the TiO2/SnO2/carbon nanofiber electrode. The TiO2/SnO2/carbon nanofiber electrode displays a reversible capacity of 442.8 mA h g−1 for up to 100 cycles, and exhibits excellent rate capability. The results indicate that the composite could be a promising anode candidate for lithium ion batteries.
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This journal is © The Royal Society of Chemistry 2013