Exceptional electrochemical performance of porous TiO2-carbon nanofibers for lithium ion battery anodes

Xiaoyan Li, Yuming Chen, Li Min Zhou, Yiu Wing Mai, Haitao Huang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

68 Citations (Scopus)


We have developed one-dimensional (1D) porous TiO2-carbon nanofibers (ODPTCNs) by a simple coaxial electrospinning technique combined with subsequent calcination treatment as anode materials for Li-ion batteries. The prepared ODPTCNs contain plentiful surface pores through which lithium ions can transport from outer space into inner space as storage regions, thus activating all the materials. In addition, the high conductivity of the overall electrode and the porous structure aid Li+ access and the rapid transportation of lithium ions, thus reducing the diffusion paths for Li+ and yielding a better rate capability. The novel ODPTCNs show a remarkable specific reversible capacity of ∼806 mA h g-1 and a high volumetric capacity of ∼1.2 A h cm-3, maintain a capacity of ∼680 mA h g-1 after 250 cycles at a current density of 100 mA g-1 and exhibit an exceptional discharge rate capability of 5 A g-1 while retaining a capacity of ∼260 mA h g-1 after 1600 cycles. The ODPTCNs will serve as excellent anode materials for next-generation, high-power, and environmentally benign Li-ion batteries.
Original languageEnglish
Pages (from-to)3875-3880
Number of pages6
JournalJournal of Materials Chemistry A
Issue number11
Publication statusPublished - 21 Mar 2014

ASJC Scopus subject areas

  • General Chemistry
  • Renewable Energy, Sustainability and the Environment
  • General Materials Science


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