A systematic study on the synthesis of α-Fe2O3 multi-shelled hollow spheres

  • Zahra Padashbarmchi
  • , Amir Hossein Hamidian
  • , Hongwei Zhang
  • , Liang Zhou*
  • , Nematolah Khorasani
  • , Mahmood Kazemzad
  • , Chengzhong Yu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

Hematite (α-Fe2O3) multi-shelled hollow spheres (MSHSs) have been prepared by a facile spray drying method using iron(iii) citrate and sucrose as the precursors. The sucrose/iron(iii) citrate ratio plays an important role in the morphology of the products. Well-defined MSHSs can be obtained in a wide sucrose/iron(iii) citrate ratio of 0.25-1.5. The application of α-Fe2O3 MSHSs in lithium storage has been demonstrated. When used as the anode material for lithium-ion batteries, the α-Fe2O3 MSHSs exhibit a high reversible capacity of 979 mA h g-1, maintaining 861 mA h g-1 after 50 cycles.

Original languageEnglish
Pages (from-to)10304-10309
Number of pages6
JournalRSC Advances
Volume5
Issue number14
DOIs
StatePublished - 2015
Externally publishedYes

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