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Electrochemical upgrade of CO2 from amine capture solution

Author

Listed:
  • Geonhui Lee

    (University of Toronto)

  • Yuguang C. Li

    (University of Toronto)

  • Ji-Yong Kim

    (Seoul National University)

  • Tao Peng

    (University of Toronto)

  • Dae-Hyun Nam

    (University of Toronto)

  • Armin Sedighian Rasouli

    (University of Toronto)

  • Fengwang Li

    (University of Toronto)

  • Mingchuan Luo

    (University of Toronto)

  • Alexander H. Ip

    (University of Toronto)

  • Young-Chang Joo

    (Seoul National University)

  • Edward H. Sargent

    (University of Toronto)

Abstract

CO2 capture technologies based on chemisorption present the potential to lower net emissions of CO2 into the atmosphere. The electrochemical upgrade of captured CO2 to value-added products would be particularly convenient. Here we find that this goal is curtailed when the adduct of the capture molecule with CO2 fails to place the CO2 sufficiently close to the site of the heterogeneous reaction. We investigate tailoring the electrochemical double layer to achieve the valorization of chemisorbed CO2 in an aqueous monoethanolamine electrolyte. We reveal, using electrochemical studies and in situ surface-enhanced Raman spectroscopy, that a smaller double layer distance correlates with improved activity for CO2 to CO from amine solutions. With the aid of an alkali cation and accelerated mass transport by system design—temperature and concentration—we demonstrate amine–CO2 conversion to CO with 72% Faradaic efficiency at 50 mA cm–2.

Suggested Citation

  • Geonhui Lee & Yuguang C. Li & Ji-Yong Kim & Tao Peng & Dae-Hyun Nam & Armin Sedighian Rasouli & Fengwang Li & Mingchuan Luo & Alexander H. Ip & Young-Chang Joo & Edward H. Sargent, 2021. "Electrochemical upgrade of CO2 from amine capture solution," Nature Energy, Nature, vol. 6(1), pages 46-53, January.
    • Handle: RePEc:nat:natene:v:6:y:2021:i:1:d:10.1038_s41560-020-00735-z
    DOI: 10.1038/s41560-020-00735-z
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    Citations

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    Cited by:

    1. Ahmad, Naveed & Chen, Ying & Wang, Xiaoxiao & Sun, Peixu & Bao, Yuting & Xu, Xia, 2022. "Highly efficient electrochemical upgrade of CO2 to CO using AMP capture solution as electrolyte," Renewable Energy, Elsevier, vol. 189(C), pages 444-453.
    2. Olivia Pfeiffer & Aliza Khurram & Elsa A. Olivetti & Betar M. Gallant, 2022. "Life cycle assessment of CO2 conversion and storage in metal–CO2 electrochemical cells," Journal of Industrial Ecology, Yale University, vol. 26(4), pages 1306-1317, August.
    3. 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.
    4. Mohammadpour, Hossein & Cord-Ruwisch, Ralf & Pivrikas, Almantas & Ho, Goen, 2022. "Simple energy-efficient electrochemically-driven CO2 scrubbing for biogas upgrading," Renewable Energy, Elsevier, vol. 195(C), pages 274-282.
    5. Kezia Megagita Gerby Langie & Kyungjae Tak & Changsoo Kim & Hee Won Lee & Kwangho Park & Dongjin Kim & Wonsang Jung & Chan Woo Lee & Hyung-Suk Oh & Dong Ki Lee & Jai Hyun Koh & Byoung Koun Min & Da Hy, 2022. "Toward economical application of carbon capture and utilization technology with near-zero carbon emission," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    6. Yangyang Zhang & Yanxu Chen & Xiaowen Wang & Yafei Feng & Zechuan Dai & Mingyu Cheng & Genqiang Zhang, 2024. "Low-coordinated copper facilitates the *CH2CO affinity at enhanced rectifying interface of Cu/Cu2O for efficient CO2-to-multicarbon alcohols conversion," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    7. Ramirez-Corredores, M.M. & Diaz, Luis A. & Gaffney, Anne M. & Zarzana, Christopher A., 2021. "Identification of opportunities for integrating chemical processes for carbon (dioxide) utilization to nuclear power plants," Renewable and Sustainable Energy Reviews, Elsevier, vol. 150(C).
    8. Sassone, Daniele & Bocchini, Sergio & Fontana, Marco & Salvini, Clara & Cicero, Giancarlo & Re Fiorentin, Michele & Risplendi, Francesca & Latini, Giulio & Amin Farkhondehfal, M. & Pirri, Fabrizio & Z, 2022. "Imidazole-imidazolate pair as organo-electrocatalyst for CO2 reduction on ZIF-8 material," Applied Energy, Elsevier, vol. 324(C).
    9. Yurou Celine Xiao & Siyu Sonia Sun & Yong Zhao & Rui Kai Miao & Mengyang Fan & Geonhui Lee & Yuanjun Chen & Christine M. Gabardo & Yan Yu & Chenyue Qiu & Zunmin Guo & Xinyue Wang & Panagiotis Papangel, 2024. "Reactive capture of CO2 via amino acid," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    10. Agliuzza, Matteo & Mezza, Alessio & Sacco, Adriano, 2023. "Solar-driven integrated carbon capture and utilization: Coupling CO2 electroreduction toward CO with capture or photovoltaic systems," Applied Energy, Elsevier, vol. 334(C).

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