Fe/Fe3C/N-Doped Carbon Materials from Metal–Organic Framework Composites as Highly Efficient Oxygen Reduction Reaction Electrocatalysts

Yuhong Qian; Jack Cavanaugh; Inayat Ali Khan; Xuerui Wang; Yongwu Peng; Zhigang Hu; Yuxiang Wang; Dan Zhao

doi:10.1002/cplu.201600174

Fe/Fe₃C/N-Doped Carbon Materials from Metal–Organic Framework Composites as Highly Efficient Oxygen Reduction Reaction Electrocatalysts

Yuhong Qian, Jack Cavanaugh, Inayat Ali Khan, Xuerui Wang, Yongwu Peng, Zhigang Hu, Yuxiang Wang, Dan Zhao

National University of Singapore

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Abstract

A series of Fe/Fe₃C-containing N-doped porous carbon materials (Fe/NC) were prepared by pyrolyzing composites that contained a metal–organic framework (MIL-88c-Fe) with dicyandiamide. The Fe/NC obtained at 800 °C (Fe/NC800) showed comparable onset potential and kinetics to that of the commercial Pt/C catalyst in catalyzing the oxygen reduction reaction (ORR). Further measurements suggested that it has better durability and much higher methanol tolerance than Pt/C. Acid leaching was performed to reveal the critical role of Fe-containing sites in ORR catalysis.

Original language	English
Pages (from-to)	718-723
Number of pages	6
Journal	ChemPlusChem
Volume	81
Issue number	8
DOIs	https://doi.org/10.1002/cplu.201600174
State	Published - 1 Aug 2016
Externally published	Yes

Keywords

electrochemistry
energy conversion
fuel cells
metal–organic frameworks
reduction

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10.1002/cplu.201600174

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abstract = "A series of Fe/Fe3C-containing N-doped porous carbon materials (Fe/NC) were prepared by pyrolyzing composites that contained a metal–organic framework (MIL-88c-Fe) with dicyandiamide. The Fe/NC obtained at 800 °C (Fe/NC800) showed comparable onset potential and kinetics to that of the commercial Pt/C catalyst in catalyzing the oxygen reduction reaction (ORR). Further measurements suggested that it has better durability and much higher methanol tolerance than Pt/C. Acid leaching was performed to reveal the critical role of Fe-containing sites in ORR catalysis.",

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doi = "10.1002/cplu.201600174",

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T1 - Fe/Fe3C/N-Doped Carbon Materials from Metal–Organic Framework Composites as Highly Efficient Oxygen Reduction Reaction Electrocatalysts

AU - Qian, Yuhong

AU - Cavanaugh, Jack

AU - Khan, Inayat Ali

AU - Wang, Xuerui

AU - Peng, Yongwu

AU - Hu, Zhigang

AU - Wang, Yuxiang

AU - Zhao, Dan

PY - 2016/8/1

Y1 - 2016/8/1

N2 - A series of Fe/Fe3C-containing N-doped porous carbon materials (Fe/NC) were prepared by pyrolyzing composites that contained a metal–organic framework (MIL-88c-Fe) with dicyandiamide. The Fe/NC obtained at 800 °C (Fe/NC800) showed comparable onset potential and kinetics to that of the commercial Pt/C catalyst in catalyzing the oxygen reduction reaction (ORR). Further measurements suggested that it has better durability and much higher methanol tolerance than Pt/C. Acid leaching was performed to reveal the critical role of Fe-containing sites in ORR catalysis.

AB - A series of Fe/Fe3C-containing N-doped porous carbon materials (Fe/NC) were prepared by pyrolyzing composites that contained a metal–organic framework (MIL-88c-Fe) with dicyandiamide. The Fe/NC obtained at 800 °C (Fe/NC800) showed comparable onset potential and kinetics to that of the commercial Pt/C catalyst in catalyzing the oxygen reduction reaction (ORR). Further measurements suggested that it has better durability and much higher methanol tolerance than Pt/C. Acid leaching was performed to reveal the critical role of Fe-containing sites in ORR catalysis.

KW - electrochemistry

KW - energy conversion

KW - fuel cells

KW - metal–organic frameworks

KW - reduction

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Fe/Fe₃C/N-Doped Carbon Materials from Metal–Organic Framework Composites as Highly Efficient Oxygen Reduction Reaction Electrocatalysts

Abstract

Keywords

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