Preparation of High-Efficiency Fe/N-Doped Carbon Catalysts Derived from Graphite Phase Carbon Nitride for Reduction of Oxygen

Fe/N-doped carbon (Fe-NC) is an excellent base-metal catalyst for use in an electrocatalytic oxygen reduction reaction (ORR) with high activity. In this paper, graphite phase carbon nitride (g-C3N4) was first obtained from the pyrolyzing of melamine, and then different proportions of FeCl3 were sepa...

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Bibliographic Details
Published in:Catalysts 2024-04, Vol.14 (4), p.279
Main Authors: Wang, Yan, Liu, Wuxin, Wang, Rongzhe, Wang, Qing, Luo, Shaohua, Hou, Pengqing, Zhang, Yahui, Yan, Shengxue, Liu, Xin, Guo, Jing
Format: Article
Language:English
Subjects:
Analysis
Carbon
Carbon compounds
Carbon nitride
Catalysts
Chemical reduction
doping
Efficiency
Electrocatalysts
Energy
Fe-N-C
Ferric chloride
g-C3N4
Graphite
Identification and classification
Iron
Melamine
Morphology
Nanoparticles
Nitrides
Nitrogen
ORR
Oxygen
Oxygen reduction reactions
Properties
Zinc
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Summary:Fe/N-doped carbon (Fe-NC) is an excellent base-metal catalyst for use in an electrocatalytic oxygen reduction reaction (ORR) with high activity. In this paper, graphite phase carbon nitride (g-C3N4) was first obtained from the pyrolyzing of melamine, and then different proportions of FeCl3 were separately doped into g-C3N4 to further prepare the Fe-NC catalyst. The Fe-NC catalyst was applied in an ORR reaction, and the results show that the Fe-NC catalyst doped with 0.5 mmol FeCl3 possesses exceptional electrocatalytic performance, with an onset potential of 0.96 V and a half-wave potential of 0.81 V, which approaches that of a Pt/C catalyst. Meanwhile, the Fe-NC catalyst displays high stability and methanol resistance. The results supply a new way to prepare efficient ORR electrocatalysts.
ISSN:2073-4344
2073-4344
DOI:10.3390/catal14040279