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Title
Japanese:Kinetic Study and Fuel Cell Testing for a Hybrid of Fourteen-Membered Macrocyclic Fe Complex and Fe/N/C Nano-Catalyst 
English:Kinetic Study and Fuel Cell Testing for a Hybrid of Fourteen-Membered Macrocyclic Fe Complex and Fe/N/C Nano-Catalyst 
Author
Japanese: Yuta Nabae, TAOYUSHAN, 永田信輔, Hideo Notsu, Mami Miyoshi, 畠山歓, 早川晃鏡, Makoto Moriya, Zhiqing Feng, Junya Ohyama.  
English: Yuta Nabae, Yushan Tao, shinsuke nagata, Hideo Notsu, Mami Miyoshi, Kan Hatakeyama, Teruaki Hayakawa, Makoto Moriya, Zhiqing Feng, Junya Ohyama.  
Language English 
Journal/Book name
Japanese:ACS Applied Nano Materials 
English:ACS Applied Nano Materials 
Volume, Number, Page Vol. 8    No. 17    pp. 8740-8750
Published date Apr. 30, 2025 
Publisher
Japanese:American Chemical Society 
English:American Chemical Society 
Conference name
Japanese: 
English: 
Conference site
Japanese: 
English: 
Official URL https://doi.org/10.1021/acsanm.5c00635
 
DOI https://doi.org/10.1021/acsanm.5c00635
Abstract The development of nonprecious metal (NPM) catalysts for oxygen reduction is critical to advancing the widespread adoption of fuel cells. Among NPM catalysts, single-atom catalysts derived from the pyrolysis of Fe, N, and C-containing precursors are well-known for their activity. Additionally, 14-membered macrocyclic Fe complexes have garnered significant attention for their catalytic potential. In this study, we investigated a hybrid catalyst comprising a 14-membered macrocyclic Fe complex and an Fe/N/C catalyst synthesized via the pyrolysis of Fe-containing polyimide nanoparticles as an NPM oxygen reduction catalyst. Kinetic studies conducted using rotating ring-disk electrode (RRDE) voltammetry in both acidic and alkaline media revealed that this hybrid catalyst exhibits exceptional activity. Furthermore, fuel cell tests with a proton exchange membrane demonstrated promising performance, highlighting the potential of this hybrid approach for practical applications.

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