Synthesis of pseudobrookite-type Fe 2TiO 5 nanoparticles and their Li-ion electroactivity

Kyung Mi Min, Kyung Soo Park, Ah Hyeon Lim, Jae Chan Kim, Dong Wan Kim

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Phase-pure pseudobrookite Fe 2TiO 5 (FTO) powders with orthorhombic structures were synthesized using ball-milling (BM) and hydrothermal (HT) processes followed by thermal calcination for 2 h at 1200 and 900 °C, respectively. The morphological features and crystalline structures were characterized using field-emission scanning electron microscopy, high-resolution transmission electron microscopy, and X-ray powder diffraction. On the basis of these analyses, it was found that the calcination temperature and particle size of pure FTO could be reduced markedly when the HT method was employed. Furthermore, we have demonstrated for the first time the possibility of applying the pure FTO material as a Li-ion battery anode.

Original languageEnglish
Pages (from-to)6009-6013
Number of pages5
JournalCeramics International
Volume38
Issue number7
DOIs
Publication statusPublished - 2012 Sep
Externally publishedYes

Keywords

  • Ball milling
  • Hydrothermal method
  • Li-ion battery
  • Nanoparticles
  • Pseudobrookite Fe TiO

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

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