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Effect of Sr Incorporation and Ni Exsolution on Coke Resistance of the Ni/Sr–Al2O3 Catalyst for Dry Reforming of Methane
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    Research Article

    Effect of Sr Incorporation and Ni Exsolution on Coke Resistance of the Ni/Sr–Al2O3 Catalyst for Dry Reforming of Methane
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    • Jeongmin Kim
      Jeongmin Kim
      Graduate School of Energy Science and Technology, Chungnam National University, 99, Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
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    • Jeong-Cheol Seo
      Jeong-Cheol Seo
      Hydrogen & C1 Gas Research Center, Korea Research Institute of Chemical Technology, 141, Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
    • Won-Jun Jang*
      Won-Jun Jang
      Department of Environmental and Safety Engineering, Ajou University, 206, World cup-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do 16499, Republic of Korea
      *Email: [email protected]. Phone: +82-42-821-8610. Fax: +82-42-821-8839.
      More by Won-Jun Jang
    • Kyubock Lee*
      Kyubock Lee
      Graduate School of Energy Science and Technology, Chungnam National University, 99, Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
      *Email: [email protected]. Phone: +82-31-219-3226. Fax: +82-504-412-4612.
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    Other Access OptionsSupporting Information (1)

    ACS Sustainable Chemistry & Engineering

    Cite this: ACS Sustainable Chem. Eng. 2023, 11, 49, 17415–17424
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    https://doi.org/10.1021/acssuschemeng.3c05275
    Published November 30, 2023
    Copyright © 2023 American Chemical Society

    Abstract

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    The effects of Sr incorporation over Ni/Al2O3 catalysts were explored for the dry reforming of methane (DRM). Ni-exsolved catalysts (NiEXS) and conventional Ni-impregnated catalysts (NiIMP) were prepared by using a spray-pyrolysis-assisted evaporation-induced self-assembly (EISA) method to produce a solid solution and mesoporous structures. In the DRM tests, strontium showed crucial effects for improving the resistance of carbon formation and the stability of the catalyst. Particularly, NiEXS/Sr–Al demonstrated a crystal size growth of 0.8% and a coking rate of 0.012 gc·gcat–1·h–1, which was remarkably lower than those of the other catalysts (NiIMP/Al, NiIMP/Sr–Al, and NiEXS/Al). This study primarily investigated the catalytic properties and strong metal–support interaction, which depended on the preparation procedure, for verifying the origin of the most stable NiEXS/Sr–Al catalyst. In particular, the roles of promotional Sr in enhancing the CO2 adsorption/desorption ability of the catalyst at different temperatures as well as the amount of oxygen species were elucidated in detail.

    Copyright © 2023 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acssuschemeng.3c05275.

    • N2 absorption/desorption isotherms of calcined support materials, H2 consumption, and the degree of reduction of each calcined catalyst, a table of temperature and the percentage of the area corresponding to each deconvoluted peak in the H2-TPR profiles, quantity of H2 adsorbed on the Sr–Al support, XRD patterns of the calcined and spent catalysts, contents of catalysts measured by ICP-AES, long-term stability test, X-ray photoelectron spectra of Sr 3d species, and H2–O2 pulse chemisorption (PDF)

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    This article is cited by 7 publications.

    1. Yongsheng Gao, Chao Zhang, Haipeng Wang, Lulu Jiang, Delu Zhang, Fujin Sun, Shujun Ming, Tao Zhuang, Zhiguo Lv. Sinter-Resistant Single Core PtNi Alloy@SiO2 Channel (d ≈ 20 nm) Catalysts for Dry Reforming of Methane. ACS Sustainable Chemistry & Engineering 2024, 12 (37) , 13986-13997. https://doi.org/10.1021/acssuschemeng.4c04812
    2. Yu-Chun Zeng, Zhi Xuan Law, De-Hao Tsai. Combined Methane Cracking for H2 Production with CO2 Utilization for Catalyst Regeneration Using Dual Functional Nanostructured Particles. ACS Sustainable Chemistry & Engineering 2024, 12 (32) , 12200-12215. https://doi.org/10.1021/acssuschemeng.4c04266
    3. Miaomiao Zhang, Yibo Gao, Yang Jin, Wenlong Wang, Zhanlong Song, Yanpeng Mao. New insights into microwave-mediated dry reforming of methane over Al2O3-stabilized activated carbon-based catalysts: Experimental and DFT study. International Journal of Hydrogen Energy 2025, 109 , 344-356. https://doi.org/10.1016/j.ijhydene.2025.01.379
    4. Mina Karaminejad, Reza Golhosseini, Fereshteh Meshkani, Patrick Da Costa. Insight into the moderate interaction between the metal and support and reinforcing of Ni/SiO2-based catalysts efficiency with the manganese integration in thermal catalytic methane decomposition. Energy Conversion and Management 2025, 323 , 119229. https://doi.org/10.1016/j.enconman.2024.119229
    5. L. Herráez-Santos, D. Goma-Jiménez, M. P. Yeste-Sigüenza, M. A. Cauqui-López, A. García-García. On the Selection of Catalysts’ Support with High Oxygen Delivery Capacity for DRM Application: Interest of Praseodymium as Dopant of Ceria. Topics in Catalysis 2025, 68 (1-2) , 82-98. https://doi.org/10.1007/s11244-024-01997-7
    6. Wenzheng Zhang, Huahua Zhao, Huanling Song, Lingjun Chou. Unbounding the Future: Designing NiAl‐Based Catalysts for Dry Reforming of Methane. Chemistry – An Asian Journal 2024, 19 (17) https://doi.org/10.1002/asia.202400503
    7. Kai-Rui Luan, Xiao-Yan Zhao, Jing-Pei Cao, Wen Tang, Zi-Meng He, Dan Xie, Duc Dung Le. Construction of metal-anchored and defect-rich N-doped lignite-char supported cobalt catalysts for pressurized dry reforming of methane. International Journal of Hydrogen Energy 2024, 82 , 600-610. https://doi.org/10.1016/j.ijhydene.2024.07.436

    ACS Sustainable Chemistry & Engineering

    Cite this: ACS Sustainable Chem. Eng. 2023, 11, 49, 17415–17424
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acssuschemeng.3c05275
    Published November 30, 2023
    Copyright © 2023 American Chemical Society

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