Rapid synthesis of free-standing MoO3/Graphene films by the microwave hydrothermal method as cathode for bendable lithium batteries

Lukman Noerochim*, Jia Zhao Wang, David Wexler, Zhong Chao, Hua Kun Liu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

115 Citations (Scopus)

Abstract

Highly flexible, binder-free, MoO3 nanobelt/graphene film electrode is prepared by a two-step microwave hydrothermal method. Graphene is first prepared by an ultra-fast microwave hydrothermal method and then mixed with MoO3 solution to synthesize the MoO3 nanobelt/graphene composite, which exhibits the combination of stacked graphene sheets and uniform MoO3 nanobelts with widths of 200-500 nm and lengths of 5-10 μm. The charge-discharge measurements show that the as-synthesized MoO3/graphene hybrid materials demonstrate excellent rate capability, large capacity, and good cycling stability compared to the pure MoO3 film. An initial discharge capacity of 291 mAh g-1 can be obtained at 100 mA g-1, with a capacity of 172 mAh g -1 retained after 100 cycles. The results show that the MoO 3/graphene designed in this study can be used as a free-standing cathode material in rechargeable bendable Lithium batteries.

Original languageEnglish
Pages (from-to)198-205
Number of pages8
JournalJournal of Power Sources
Volume228
DOIs
Publication statusPublished - 2013

Keywords

  • Cathode
  • Free-standing film
  • Graphene
  • Hydrothermal
  • Microwave
  • MoO nanobelt

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