Highly uniform TiO2/SnO2/carbon hybrid nanofibers with greatly enhanced lithium storage performance

Zunxian Yang, Qing Meng, Zaiping Guo, Xuebin Yu, Tailiang Guo, Rong Zeng

    Research output: Contribution to journalArticlepeer-review

    60 Citations (Scopus)

    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 TiO 2/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.
    Original languageEnglish
    Pages (from-to)10395-10402
    Number of pages8
    JournalJournal of Materials Chemistry A
    Volume1
    Issue number35
    DOIs
    Publication statusPublished - 2013

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