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Synergistic promotions between CO2 capture and in-situ conversion on Ni-CaO composite catalyst

Author

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  • Bin Shao

    (East China University of Science and Technology)

  • Zhi-Qiang Wang

    (East China University of Science and Technology)

  • Xue-Qing Gong

    (East China University of Science and Technology)

  • Honglai Liu

    (East China University of Science and Technology
    East China University of Science and Technology)

  • Feng Qian

    (East China University of Science and Technology)

  • P. Hu

    (East China University of Science and Technology
    The Queen’s University of Belfast)

  • Jun Hu

    (East China University of Science and Technology)

Abstract

The integrated CO2 capture and conversion (iCCC) technology has been booming as a promising cost-effective approach for Carbon Neutrality. However, the lack of the long-sought molecular consensus about the synergistic effect between the adsorption and in-situ catalytic reaction hinders its development. Herein, we illustrate the synergistic promotions between CO2 capture and in-situ conversion through constructing the consecutive high-temperature Calcium-looping and dry reforming of methane processes. With systematic experimental measurements and density functional theory calculations, we reveal that the pathways of the reduction of carbonate and the dehydrogenation of CH4 can be interactively facilitated by the participation of the intermediates produced in each process on the supported Ni–CaO composite catalyst. Specifically, the adsorptive/catalytic interface, which is controlled by balancing the loading density and size of Ni nanoparticles on porous CaO, plays an essential role in the ultra-high CO2 and CH4 conversions of 96.5% and 96.0% at 650 °C, respectively.

Suggested Citation

  • Bin Shao & Zhi-Qiang Wang & Xue-Qing Gong & Honglai Liu & Feng Qian & P. Hu & Jun Hu, 2023. "Synergistic promotions between CO2 capture and in-situ conversion on Ni-CaO composite catalyst," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
  • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-36646-2
    DOI: 10.1038/s41467-023-36646-2
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    References listed on IDEAS

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    1. Mengran Li & Erdem Irtem & Hugo-Pieter Iglesias van Montfort & Maryam Abdinejad & Thomas Burdyny, 2022. "Energy comparison of sequential and integrated CO2 capture and electrochemical conversion," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    2. Mutch, Greg A. & Anderson, James A. & Vega-Maza, David, 2017. "Surface and bulk carbonate formation in calcium oxide during CO2 capture," Applied Energy, Elsevier, vol. 202(C), pages 365-376.
    3. Alexey Kurlov & Evgeniya B. Deeva & Paula M. Abdala & Dmitry Lebedev & Athanasia Tsoukalou & Aleix Comas-Vives & Alexey Fedorov & Christoph R. Müller, 2020. "Exploiting two-dimensional morphology of molybdenum oxycarbide to enable efficient catalytic dry reforming of methane," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
    4. Yan Tang & Chithra Asokan & Mingjie Xu & George W. Graham & Xiaoqing Pan & Phillip Christopher & Jun Li & Philippe Sautet, 2019. "Rh single atoms on TiO2 dynamically respond to reaction conditions by adapting their site," Nature Communications, Nature, vol. 10(1), pages 1-10, December.
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    Cited by:

    1. Wu, Xiaomei & Mao, Yuanhao & Fan, Huifeng & Sultan, Sayd & Yu, Yunsong & Zhang, Zaoxiao, 2023. "Investigation on the performance of EDA-based blended solvents for electrochemically mediated CO2 capture," Applied Energy, Elsevier, vol. 349(C).
    2. Xingyue Ma & Shuxuan Luo & Yunhui Hua & Seshadri Seetharaman & Xiaobo Zhu & Jingwei Hou & Lei Zhang & Wanlin Wang & Yongqi Sun, 2024. "An alumina phase induced composite transition shuttle to stabilize carbon capture cycles," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    3. Lv, Zongze & Du, Hong & Xu, Shaojun & Deng, Tao & Ruan, Jiaqi & Qin, Changlei, 2024. "Techno-economic analysis on CO2 mitigation by integrated carbon capture and methanation," Applied Energy, Elsevier, vol. 355(C).

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