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1Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, NM, 87545, USA; Department of Chemistry, Harbin Institute of Technology, Harbin, 150001, PR China.
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.
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