Graphene/Carbon Nanotubes Hybrid Electrode Material for High Performance Supercapacitor

Yongzhen Wang, Yuyu Liu, Azuma Ohuchi, Xiaomin Wang, Yong Wang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A graphene (GN)/carbon nanotubes (CNTs) nanocomposite electrode material were prepared via reduction of exfoliated graphite oxides in the presence of CNTs pretreated by mixed acid. The GN/CNTs nanocomposite characterized by X-ray diffraction (XRD), Raman spectrum (Raman) and scanning electron microscope (SEM) has a layered structure with CNTs uniformly sandwiched between the GN sheets, which efficiently decreased the agglomeration GN sheets. Electrochemical data demonstrate that the GN/CNT exhibited higher specific capacitance than that of graphene.

Original languageEnglish
Article number1550068
JournalNano
Volume10
Issue number5
DOIs
Publication statusPublished - 2015 Jul 27

Keywords

  • Graphene nanosheet
  • carbon nanotubes
  • microstructure
  • specific capacitance

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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