3D Nitrogen-Doped Graphene Aerogel-Supported Fe3O4 Nanoparticles as Efficient Electrocatalysts for the Oxygen Reduction Reaction
Abstract
Three-dimensional (3D) N-doped graphene aerogel (N-GA)-supported Fe(3)O(4) nanoparticles (Fe(3)O(4)/N-GAs) as efficient cathode catalysts for the oxygen reduction reaction (ORR) are reported. The graphene hybrids exhibit an interconnected macroporous framework of graphene sheets with uniform dispersion of Fe(3)O(4) nanoparticles (NPs). In studying the effects of the carbon support on the Fe(3)O(4) NPs for the ORR, we found that Fe(3)O(4)/N-GAs show a more positive onset potential, higher cathodic density, lower H(2)O(2) yield, and higher electron transfer number for the ORR in alkaline media than Fe(3)O(4) NPs supported on N-doped carbon black or N-doped graphene sheets, highlighting the importance of the 3D macropores and high specific surface area of the GA support for improving the ORR performance. Furthermore, Fe(3)O(4)/N-GAs show better durability than the commercial Pt/C catalyst.
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Geometric confinement of nanoparticles within graphene layers is able to enhance their interfacial contact for suppressing the dissolution and agglomeration during the catalytic process.
“Such a geometric connement of nanoparticles within graphene layers is able to enhance their interfacial contact for suppressing the dissolution and agglomeration during the catalytic process.26–28”
From Tunable CoFe-based active sites on 3D heteroatom doped graphene aerogel electrocatalysts <i>via</i> annealing gas regulation for efficient water splitting (2018) · cites this paper as [28]
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- Authors
- Wu, Z.-S., Yang, S., Sun, Y., Parvez, K., Feng, X., & Müllen, K.
- Affiliations
- Max Planck Institute for Polymer Research (DE)
- Shanghai Jiao Tong University (CN)
- Max-Planck-Institut für Polymerforschung, Ackermannweg 10, 55128 Mainz, Germany
- Corresponding author
- Feng, Xinliang
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-05-29
- Volume
- 134
- Issue
- 22
- Pages
- 9082-9085
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1999535575
- Cited by
- 2,061
- References
- 1
- Citations by year
- 2026: 17 · 2025: 42 · 2024: 46 · 2023: 54 · 2022: 81 · 2021: 98 · 2020: 126 · 2019: 218 · 2018: 234 · 2017: 241 · 2016: 269 · 2015: 265 · 2014: 213 · 2013: 131 · 2012: 25
- FWCI
- 77.75
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the American Chemical Society (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Materials Science › Materials Chemistry › Catalytic Processes in Materials Science
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Keywords
- oxygen reduction reaction, Fe3O4 nanoparticles, nitrogen-doped graphene aerogel, electrocatalysts, cathode catalysts, alkaline solution, hydrogen peroxide selectivity, electron transfer number, catalyst stability, Pt/C comparison, metal oxide nanocomposites
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