• Journal of Inorganic Materials
  • Vol. 38, Issue 11, 1309 (2023)
Daihui YANG1, Tian SUN2, Hexin TIAN1, Xiaofei SHI1, and Dongwei MA1
Author Affiliations
  • 11. State Key Laboratory of Advanced Chemical Power Sources, Guizhou Meiling Co., Ltd., Zunyi 563003, China
  • 22. Faculty of Mechanical and Vehicle Engineering, Nanchang Institute of Science and Technology, Nanchang 330108, China
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    DOI: 10.15541/jim20230277 Cite this Article
    Daihui YANG, Tian SUN, Hexin TIAN, Xiaofei SHI, Dongwei MA. Iron-nitrogen-codoped Mesoporous Carbon: Facile Synthesis and Catalytic Performance of Oxygen Reduction Reaction[J]. Journal of Inorganic Materials, 2023, 38(11): 1309 Copy Citation Text show less
    Stability of MCM and MCT dispersed in water
    S1. Stability of MCM and MCT dispersed in water
    Schematic diagram of Fe-N/MCMT catalyst synthesis
    1. Schematic diagram of Fe-N/MCMT catalyst synthesis
    (a) N2 adsorption-desorption isotherms, (b) pore-size distributions, (c) XRD patterns, and (d) Raman spectra of MCM, MCT, Fe-N/MCMT and Fe-N/MCTT
    2. (a) N2 adsorption-desorption isotherms, (b) pore-size distributions, (c) XRD patterns, and (d) Raman spectra of MCM, MCT, Fe-N/MCMT and Fe-N/MCTT
    HAADF-STEM images of (a-c) Fe-N/MCMT and (d-f) Fe-N/MCTT
    3. HAADF-STEM images of (a-c) Fe-N/MCMT and (d-f) Fe-N/MCTT
    High-resolution (a) N1s, (b) S2p and (c) Fe2p XPS spectra of MCM, MCT, Fe-N/MCMT, and Fe-N/MCTT
    4. High-resolution (a) N1s, (b) S2p and (c) Fe2p XPS spectra of MCM, MCT, Fe-N/MCMT, and Fe-N/MCTT
    ORR performance of catalysts
    5. ORR performance of catalysts
    SamplesN/%(in atomic)Binding energy of relative nitrogen content/eV
    Pyridinic NFe-NxPyrollic NGraphitic NOxygenated N
    Fe-N/MCMT5.920.2 (398.2)0.11 ( 399.3)0.58 (401)0.11 (403)
    Fe-N/MCTT5.120.21 (398.1)0.07 ( 399.2)0.68 (401)0.04 (403)
    MCM16.480.41 (398.3)0.39 (400)0.16 (401)0.04 (403)
    MCT10.000.26 (398.3)0.28 (400)0.42 (400.98)0.04 (403)
    Table 1. Nitrogen content of each sample
    SampleXPS
    Fe/%N/%S/%O/%C/%
    Fe-N/MCMT0.495.920.328.4184.86
    Fe-N/MCTT0.645.120.579.3484.33
    MCM016.481.277.9274.33
    MCT0100.9584.1
    Table 2. Elemental percentages in atom of each sample
    Daihui YANG, Tian SUN, Hexin TIAN, Xiaofei SHI, Dongwei MA. Iron-nitrogen-codoped Mesoporous Carbon: Facile Synthesis and Catalytic Performance of Oxygen Reduction Reaction[J]. Journal of Inorganic Materials, 2023, 38(11): 1309
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