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Graphene/graphene-tube nanocomposites templated from cage-containing metal-organic frameworks for oxygen reduction in Li-O2 batteries

  • Qing Li
  • , Ping Xu
  • , Wei Gao
  • , Shuguo Ma
  • , Guoqi Zhang
  • , Ruiguo Cao
  • , Jaephil Cho
  • , Hsing Lin Wang
  • , Gang Wu
  • Los Alamos National Laboratory
  • Harbin Institute of Technology
  • University of South Carolina
  • City University of New York
  • Ulsan National Institute of Science and Technology

Research output: Contribution to journalArticlepeer-review

425 Scopus citations

Abstract

Nitrogen-doped graphene/graphene-tube nanocomposites are prepared by a hightemperature approach using a newly designed cage-containing metal-organic framework (MOF) to template nitrogen/carbon (dicyandiamide) and iron precursors. The resulting N-Fe-MOF catalysts universally exhibit high oxygen-reduction activity in acidic, alkaline, and non-aqueous electrolytes and superior cathode performance in Li-O2 batteries.

Original languageEnglish
Pages (from-to)1378-1386
Number of pages9
JournalAdvanced Materials
Volume26
Issue number9
DOIs
StatePublished - Mar 5 2014

Keywords

  • graphene
  • graphene tubes
  • lithium-oxygen batteries
  • metal-organic frameworks
  • oxygen reduction reaction

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