<trans-title xml:lang="en">Iron-nitrogen-codoped Mesoporous Carbon: Facile Synthesis and Catalytic Performance of Oxygen Reduction Reaction</trans-title>

Daihui YANG; Tian SUN; Hexin TIAN; Xiaofei SHI; Dongwei MA

doi:10.15541/jim20230277

Journal of Inorganic Materials, Volume. 38, Issue 11, 1309(2023)

Iron-nitrogen-codoped Mesoporous Carbon: Facile Synthesis and Catalytic Performance of Oxygen Reduction Reaction

Daihui YANG1... Tian SUN2, Hexin TIAN1, Xiaofei SHI1 and Dongwei MA1 |Show fewer author(s)

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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Figures & Tables(8)

S1. Stability of MC_M and MC_T dispersed in water

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1. Schematic diagram of Fe-N/MC_MT catalyst synthesis

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2. (a) N₂ adsorption-desorption isotherms, (b) pore-size distributions, (c) XRD patterns, and (d) Raman spectra of MC_M, MC_T, Fe-N/MC_MT and Fe-N/MC_TT

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3. HAADF-STEM images of (a-c) Fe-N/MC_MT and (d-f) Fe-N/MC_TT

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4. High-resolution (a) N1s, (b) S2p and (c) Fe2p XPS spectra of MC_M, MC_T, Fe-N/MC_MT, and Fe-N/MC_TT

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5. ORR performance of catalysts

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Table 1. Nitrogen content of each sample

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Table 1. Nitrogen content of each sample

Samples	N/%(in atomic)	Binding energy of relative nitrogen content/eV
Samples	N/%(in atomic)	Pyridinic N	Fe-N_x	Pyrollic N	Graphitic N	Oxygenated N
Fe-N/MC_MT	5.92	0.2 (398.2)	0.11 ( 399.3)		0.58 (401)	0.11 (403)
Fe-N/MC_TT	5.12	0.21 (398.1)	0.07 ( 399.2)		0.68 (401)	0.04 (403)
MC_M	16.48	0.41 (398.3)		0.39 (400)	0.16 (401)	0.04 (403)
MC_T	10.00	0.26 (398.3)		0.28 (400)	0.42 (400.98)	0.04 (403)

Table 2. Elemental percentages in atom of each sample
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Table 2. Elemental percentages in atom of each sample
Sample XPS
Fe/% N/% S/% O/% C/%
Fe-N/MC_MT 0.49 5.92 0.32 8.41 84.86
Fe-N/MC_TT 0.64 5.12 0.57 9.34 84.33
MC_M 0 16.48 1.27 7.92 74.33
MC_T 0 10 0.9 5 84.1

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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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