Tetragonal hematite single crystals as anode materials for high performance lithium ion batteries

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

14 Scopus Citations
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Author(s)

  • Shuanglei Yang
  • Banghong Zhou
  • Zhengping Ding
  • He Zheng
  • Lanping Huang
  • And 3 others
  • Jun Pan
  • Wei Wu
  • Hongbo Zhang

Detail(s)

Original languageEnglish
Pages (from-to)124-129
Journal / PublicationJournal of Power Sources
Volume286
Online published26 Mar 2015
Publication statusPublished - 15 Jul 2015

Abstract

Understanding the correlation between the desired morphology of nanostructures and its electrochemical properties is a prerequisite for widespread application of advanced energy materials. Herein, two types of tetragonal alpha-Fe2O3 single crystals with a mean size of ca. 200 nm, including cubic and thorhombic shapes, have been synthesized via a facile hydrothermal approach. The as-obtained shape of alpha-Fe2O3 nanocrystals depends on the addition of the metal ions precursor, the Zn2+ ions result in the cubic shape and the Cu2+ ions result in the thorhombic shape, respectively. These two different tetragonal alpha-Fe2O3 a single crystals are used as anode materials for lithium ion batteries (LIBs), and the results reveal that cubic alpha-Fe2O3 single crystal exhibits a better performance than thorhombic alpha-Fe2O3 single crystal. The discharge capacity of cubic alpha-Fe2O3 single crystal is up to 1028 mAh/g, and the current density is up to 1000 mA/g (1C) after 222 cycles. Clearly, the alpha-Fe2O3 single crystal with controlled shapes would improve the electrochemical performance of LIBs as superior anode materials, and this approach could pave a way to develop high performance LIBs.  

Research Area(s)

  • Hematite, Shape-controllable synthesis, Single crystal, Electrochemical performance, Lithium ion batteries, IRON-OXIDE NANOPARTICLES, MAGNETIC-PROPERTIES, STORAGE PROPERTIES, GROWTH-MECHANISM, SHAPE, NANOSTRUCTURES, NANOTUBES, OXIDATION, TEMPLATE, FACETS

Citation Format(s)

Tetragonal hematite single crystals as anode materials for high performance lithium ion batteries. / Yang, Shuanglei; Zhou, Banghong; Ding, Zhengping; Zheng, He; Huang, Lanping; Pan, Jun; Wu, Wei; Zhang, Hongbo.

In: Journal of Power Sources, Vol. 286, 15.07.2015, p. 124-129.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review