AB5-alloy oxide/graphene composite anode with excellent cyclic stability for lithium ion batteries

Shide Wu*, Youqi Zhu, Chao Li, Shuang Xiao, Huanxin Wang

*Corresponding author for this work

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Abstract

A novel AB5-alloy oxide/graphene composite has been fabricated through a facile mixing of commercial oxidized AB5-alloy and graphene as anode materials for lithium ion batteries. Electrochemical measurements show that the composite delivers an initial discharge capacity of 1639.7 mAh g -1 and maintains a high reversible capacity of 418.2 mAh g -1 up to 180 cycles. The enhanced cycling stability could be attributed to the fact that AB5-alloy oxide/graphene composite can accommodate large volume change during cycling and maintain good electronic contact.

Original languageEnglish
Pages (from-to)289-293
Number of pages5
JournalJournal of Alloys and Compounds
Volume582
DOIs
Publication statusPublished - 2014

Keywords

  • AB5-alloy
  • Anode material
  • Composite
  • Graphene
  • Lithium ion batteries

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Wu, S., Zhu, Y., Li, C., Xiao, S., & Wang, H. (2014). AB5-alloy oxide/graphene composite anode with excellent cyclic stability for lithium ion batteries. Journal of Alloys and Compounds, 582, 289-293. https://doi.org/10.1016/j.jallcom.2013.07.155