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Updated: Aug 4, 2026

Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance
Published on: April 27, 2018
Nitrogen-Doped Carbon Vesicles with Dual Iron-Based Sites for Efficient Oxygen Reduction
Qianru Li1,2, Gang Wan1,2, Han Zhao1,2
1State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics,Chinese Academy of Sciences, 1295 Ding-xi Road, Shanghai, 200050, P. R. China.
Abstract:
A nitrogen-doped vesicle-like porous carbon with well-integrated dual iron-based catalytic sites was developed through direct pyrolysis of inexpensive and abundant precursors. Benefiting from the mesoporous structures with synchronous construction of Fe-Nx and Fe/Fe3 C@NC sites, the optimized catalyst exhibited outstanding performance for the oxygen reduction reaction (ORR) in alkaline media, even superior to the commercial Pt/C catalyst. Detailed characterizations revealed that Fe/Fe3 C@NC sites can make major catalytic contributions in basic media, whereas the Fe-Nx sites were found to play an indispensable role for ORR in acidic media.
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