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Cited by 453

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Graphene-Based Non-Noble-Metal Catalysts for Oxygen Reduction Reaction in Acid

Byon, Hye Ryung, Suntivich, Jin, Shao-Horn, Yang·2011·Chemistry of Materials

Abstract

Non-noble-metal catalysts based on Fe–N–C moieties have shown promising oxygen reduction reaction (ORR) activity in proton exchange membrane fuel cells (PEMFCs). In this study, we report a facile method to prepare a Fe–N–C catalyst based on modified graphene (Fe–N– r GO) from heat treatment of a mixture of Fe salt, graphitic carbon nitride ( g -C 3 N 4 ), and chemically reduced graphene ( r GO). The Fe–N– r GO catalyst was found to have pyridinic N-dominant heterocyclic N (40% atomic concentration among all N components) on the surface and have an average Fe coordination of ∼3 N (Fe–N 3,average ) in bulk. Rotating disk electrode measurements revealed that Fe–N– r GO had high mass activity in acid and exhibited high stability at 0.5 V at 80 °C in acid over 70 h, which was correlated to low H 2 O 2 production shown from rotating ring disk electrode measurements.

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Metadata

Authors
Byon, H. R., Suntivich, J., & Shao-Horn, Y.
Venue
Chemistry of Materials
Published
2011-07-18
Volume
23
Issue
15
Pages
3421-3428
ISSN
  • 0897-4756 (ISSN-L)
  • 1520-5002
OpenAlex
W2086917209
Cited by
453
References
1
FWCI
18.26
Type
journal article
Language
en
Open access
closed

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