Citation: Xichen YAO, Shuxian WANG, Yun WANG, Cheng WANG, Chuang ZHANG. Oxygen reduction performance of self?supported Fe/N/C three-dimensional aerogel catalyst layers[J]. Chinese Journal of Inorganic Chemistry, ;2025, 41(7): 1387-1396. doi: 10.11862/CJIC.20240384 shu

Oxygen reduction performance of self?supported Fe/N/C three-dimensional aerogel catalyst layers

Xichen YAO ¹ ,
Shuxian WANG ^1,, ,
Yun WANG ¹ ,
Cheng WANG ² ,
Chuang ZHANG ^1,,

1.
Hubei Key Laboratory of Power System Design and Test for Electrical Vehicle, Research Institute of Smart Transportation, Hubei University of Arts and Science, Xiangyang, Hubei 441000, China
2.
Institute of Nuclear Energy and New Energy Technology, Tsinghua University, Beijing 100000, China

Corresponding author: Shuxian WANG, wshxian63@163.com Chuang ZHANG, zhangchuang@hbuas.edu.cn
Received Date: 24 October 2024
Revised Date: 8 May 2025

Figures(6)

Using ammonium persulfate - initiated in - situ polymerization of pyrrole monomer to form a three- dimensional porous aerogel as the carrier, and ferrocene as the metal precursor, a series of Fe/N/C catalysts with different iron loadings were prepared via high-temperature pyrolysis under argon atmosphere. The results demonstrated that the aerogel-supported catalysts exhibited excellent oxygen reduction reaction (ORR) activity and stabili- ty in acidic media. The optimal catalyst performance was achieved when the ferrocene loading was 12 mg, showing a half-wave potential of 0.691 V (vs RHE) and an average electron transfer number of 3.97, indicating a reaction pathway approaching the ideal four-electron process. Moreover, after 10 000 cycles of cyclic voltammetry testing, the half -wave potential of this catalyst only decayed by 11 mV, highlighting its superior electrochemical durability.
- non-precious metal catalyst,
- Fe/N/C catalyst,
- aerogel,
- oxygen reduction reaction,
- fuel cell
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