Electrochemistry-Based CO2 Removal Technologies

Tessa Lund Biel-Nielsen*, T. Alan Hatton, Sebastian N.B. Villadsen, Jan S. Jakobsen, Jacob L. Bonde, Alfred M. Spormann, Philip L. Fosbøl

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

Unprecedented increase in atmospheric CO2 levels calls for efficient, sustainable, and cost-effective technologies for CO2 removal, including both capture and conversion approaches. Current CO2 abatement is largely based on energy-intensive thermal processes with a high degree of inflexibility. In this Perspective, it is argued that future CO2 technologies will follow the general societal trend towards electrified systems. This transition is largely promoted by decreasing electricity prices, continuous expansion of renewable energy infrastructure, and breakthroughs in carbon electrotechnologies, such as electrochemically modulated amine regeneration, redox-active quinones and other species, and microbial electrosynthesis. In addition, new initiatives make electrochemical carbon capture an integrated part of Power-to-X applications, for example, by linking it to H2 production. Selected electrochemical technologies crucial for a future sustainable society are reviewed. However, significant further development of these technologies within the next decade is needed, to meet the ambitious climate goals.
Original languageEnglish
Article numbere202202345
JournalChemSusChem
Volume16
Issue number11
Number of pages6
ISSN1864-5631
DOIs
Publication statusPublished - 2023

Keywords

  • CO2 capture
  • CO2 conversion
  • E-fuels
  • Electrochemistry
  • Power-to-X

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