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Tandem Thermocatalytic Reaction for CO2 Fixation into Single-Walled Carbon Nanotubes

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Download Hi-Res ImageDownload to MS-PowerPointCite This:Energy Fuels 2024, 38, 23, 22974-22985
    Environmental and Carbon Dioxide Issues

    Tandem Thermocatalytic Reaction for CO2 Fixation into Single-Walled Carbon Nanotubes
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    • Eunchae Oh
      Eunchae Oh
      Carbon & Light Materials Group, Korea Institute of Industrial Technology (KITECH), Jeonju 54853, Republic of Korea
      Division of Advanced Materials Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
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    • JeongA Kim
      JeongA Kim
      Carbon & Light Materials Group, Korea Institute of Industrial Technology (KITECH), Jeonju 54853, Republic of Korea
      More by JeongA Kim
    • Jaewon Jang
      Jaewon Jang
      Carbon & Light Materials Group, Korea Institute of Industrial Technology (KITECH), Jeonju 54853, Republic of Korea
      More by Jaewon Jang
    • Nodo Lee
      Nodo Lee
      Materials & Devices Advanced Research Institute, LG Electronics, Seoul 07796, Republic of Korea
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    • Jaehoon Sah
      Jaehoon Sah
      Carbon & Light Materials Group, Korea Institute of Industrial Technology (KITECH), Jeonju 54853, Republic of Korea
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    • Harok Jeong
      Harok Jeong
      Carbon & Light Materials Group, Korea Institute of Industrial Technology (KITECH), Jeonju 54853, Republic of Korea
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    • Sang Won Lee
      Sang Won Lee
      Industrialization Division, Korea Carbon Industry Promotion Agency (KCARBON), 110-11 Banryong-ro, Deokjin-gu, Jeonju 54852, Republic of Korea
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      Orcidhttps://orcid.org/0009-0003-1379-4639
    • Dong Young Kim
      Dong Young Kim
      Industrialization Division, Korea Carbon Industry Promotion Agency (KCARBON), 110-11 Banryong-ro, Deokjin-gu, Jeonju 54852, Republic of Korea
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    • Seung-Yeol Jeon
      Seung-Yeol Jeon
      Carbon Composite Materials Research Center, Institute of Advanced Composite Materials, Korea Institute of Science and Technology (KIST), Wanju-gun, Jeollabuk-do 55324, Republic of Korea
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    • Byung-Joo Kim
      Byung-Joo Kim
      Department of Materials Science and Chemical Engineering, Jeonju University, Jeonju 55069, Republic of Korea
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      Orcidhttps://orcid.org/0000-0003-3331-4375
    • Junghoon Yang*
      Junghoon Yang
      Carbon & Light Materials Group, Korea Institute of Industrial Technology (KITECH), Jeonju 54853, Republic of Korea
      *Email: [email protected]
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      Orcidhttps://orcid.org/0000-0002-1229-4742
    • Jungpil Kim*
      Jungpil Kim
      Carbon & Light Materials Group, Korea Institute of Industrial Technology (KITECH), Jeonju 54853, Republic of Korea
      *Email: [email protected]
      More by Jungpil Kim
      Orcidhttps://orcid.org/0000-0003-3663-2774
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    Energy & Fuels

    Cite this: Energy Fuels 2024, 38, 23, 22974–22985
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    https://doi.org/10.1021/acs.energyfuels.4c04096
    Published November 20, 2024
    Copyright © 2024 American Chemical Society
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    Abstract

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    Converting carbon dioxide (CO2) to carbon nanotubes (CNTs) is economically advantageous due to the high cost of CNTs. However, the one-step conversion of CO2 to CNTs compromises their quality owing to the oxidizing nature of CO2. We synthesized single-walled CNTs (SWCNTs) from CO2 via a two-step tandem process. CO2 was converted to methane (CH4) using a Ni/SiO2 catalyst with various Ni contents, achieving a CH4 selectivity of >96.0% at 300 °C on 30 wt % Ni/SiO2. Subsequently, CNTs were produced from the mixed gas consisting of 12.1% CH4, 4.2% CO2, 5.8% CO, 36.2% H2, and 41.7% carrier gas using Fe–Mo/MgO catalyst at temperatures of 700–900 °C. High-yield CNTs were produced from the mixed gas, as demonstrated by analysis of CH4 conversion rate and CNTs yield at different reaction temperatures. The temperature increase enhanced the CNTs crystallinity, reducing their diameter and the number of walls. Electrochemical diagnostic analysis reveals the synthesis of a higher proportion of SWCNTs at 900 °C. The proposed approach demonstrates a promising strategy for high-value CO2 utilization.

    Copyright © 2024 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/acs.energyfuels.4c04096.

    • Appearance of P1 and P2 catalysts in each step; additional characterization of catalysts and CCNTs using XRD, SEM, GC, TEM, XPS, TG, and Raman spectroscopy; additional electrochemical diagnostic analyses of CCNT-900 and MWCNTs (PDF)

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    This article is cited by 1 publications.

    1. Amisha Beniwal, Ashima Bagaria, Tsan-Yao Chen, Dinesh Bhalothia. Advancements in CO 2 conversion technologies: a comprehensive review on catalyst design strategies for high-performance CO 2 methanation. Sustainable Energy & Fuels 2025, 47 https://doi.org/10.1039/D5SE00167F
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    Energy & Fuels

    Cite this: Energy Fuels 2024, 38, 23, 22974–22985
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.energyfuels.4c04096
    Published November 20, 2024
    Copyright © 2024 American Chemical Society
    Request reuse permissions

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