Preparation of porous Si and TiO2 nanofibres using a sulphur-templating method for lithium storage

Kathleen McCormac, Ian Byrd, Rodney Brannen, Bryan Seymour, Jianlin Li, Ji Wu

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Highly porous Si/TiO2 composite nanofibres were prepared using a unique sulphur-templating method combined with electrospinning. The structure, morphology, surface area, phase and composition of these nanofibres were characterized using Raman spectroscopy, scanning electron microscopy, powder X-ray diffraction, surface area analyser and thermogravimetric analyser. The specific surface area of Si/TiO2 porous NFs is as large as 387 m2 g-1, whose silicon capacity can be maintained above 1580 mAh g-1 in 180 cycles.

Original languageEnglish
Pages (from-to)877-881
Number of pages5
JournalPhysica Status Solidi (A) Applications and Materials Science
Volume212
Issue number4
DOIs
StatePublished - Apr 1 2015

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Electrical and Electronic Engineering
  • Materials Chemistry

Keywords

  • Lithium storage
  • Nanofibres
  • Porous materials
  • Silicon
  • Titania

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