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Yang Hou, Taizhong Huang, Zhenhai Wen, Shun Mao, Shumao Cui and Junhong Chen Metal−Organic Framework-Derived Nitrogen-Doped Core-Shell-Structured Porous Fe/Fe3C@C Nanoboxes Supported on Graphene Sheets for Efficient Oxygen Reduction Reactions Advanced Energy Materials 4

Article first published online: 4 APR 2014 | DOI: 10.1002/aenm.201400337

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A novel core-shell-structured hybrid as an oxygen reduction reaction catalyst, consisting of nitrogen-doped porous Fe/Fe3C@C nanoboxes supported on graphene sheets, is synthesized through simple pyrolysis of graphene oxide-supported iron-based metal−organic frameworks. The hybrid exhibits higher electrocatalytic activity than a commercial Pt/C catalyst, excellent long-term stability, and superior methanol tolerance due to the synergistic effect between N-doped Fe/Fe3C@C and N-doped graphene sheets.

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