Microwave-assisted synthesis of graphene-ZnO nanocomposite for electrochemical supercapacitors

Ting Lu, Likun Pan*, Haibo Li, Guang Zhu, Tian Lv, Xinjuan Liu, Zhuo Sun, Ting Chen, Daniel H.C. Chua

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

219 Scopus citations

Abstract

Graphene-ZnO nanocomposite was successfully synthesized via microwave-assisted reduction of zinc ions in aqueous solution with graphite oxide dispersion using a microwave synthesis system. The electrochemical performance of the nanocomposite was analyzed through cyclic voltammetry and chronopotentiometry tests. The results showed that as compared with pure graphene, graphene-ZnO composite exhibited an improved electrochemical capacitance of 146 F/g with good reversible charge/discharge behavior.

Original languageEnglish
Pages (from-to)5488-5492
Number of pages5
JournalJournal of Alloys and Compounds
Volume509
Issue number18
DOIs
StatePublished - 5 May 2011
Externally publishedYes

Keywords

  • Graphene
  • Microwave-assisted synthesis
  • Nanocomposite
  • Supercapacitors
  • ZnO

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