Fe–N–C catalysts synthesized by the electron beam (e-beam) irradiation pyrolysis of Fe and N precursors is studied owing to their remarkable activities in the electrochemical oxygen reduction reaction (ORR). The conditions for Fe–Nx formation we...
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https://www.riss.kr/link?id=A108475244
Uhm Young Rang (Korea Atomic Energy Research Institute (KAERI)) ; Sun Gwang Min (Korea Atomic Energy Research Institute) ; Lee Jaegi (Korea Atomic Energy Research Institute (KAERI)) ; Kim Chul Sung (Kookmin University) ; Park Ji Hyun (R&D Institute Gev) ; Ha Taesung (R&D Institute Gev)
2023
English
KCI등재,SCI,SCIE,SCOPUS
학술저널
286-292(7쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Fe–N–C catalysts synthesized by the electron beam (e-beam) irradiation pyrolysis of Fe and N precursors is studied owing to their remarkable activities in the electrochemical oxygen reduction reaction (ORR). The conditions for Fe–Nx formation we...
Fe–N–C catalysts synthesized by the electron beam (e-beam) irradiation pyrolysis of Fe and N precursors is studied owing to their remarkable activities in the electrochemical oxygen reduction reaction (ORR). The conditions for Fe–Nx formation were confrmed by irradiation at 80 kGy under an e-beam energy of 10 MeV and a beam current of 800 μA. The coordination between Fe and each phenanthroline (phen) isomer (1,7-phen, and 1,10-phen) was efectively controlled by molecular structures of monodentate, and bidentate. The pyridinic N % was found to be 70.1% for Fe (1,10-phenanthroline)/KB prepared by e-beam irradiation pyrolysis. This catalyst exhibited superior ORR activity and stability in alkaline half-cells.
The use of precursors with bidentate coordination is important to obtain the efective inducement of Fe–Nx active sites for electrocatalysts during ORR.
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