Sorbents for the Direct Capture of CO2 from Ambient Air

Xiaoyang Shi, Hang Xiao, Habib Azarabadi, Juzheng Song, Xiaolong Wu, Xi Chen, Klaus S. Lackner

Research output: Contribution to journalReview articlepeer-review

268 Scopus citations


The urgency to address global climate change induced by greenhouse gas emissions is increasing. In particular, the rise in atmospheric CO2 levels is generating alarm. Technologies to remove CO2 from ambient air, or “direct air capture” (DAC), have recently demonstrated that they can contribute to “negative carbon emission.” Recent advances in surface chemistry and material synthesis have resulted in new generations of CO2 sorbents, which may drive the future of DAC and its large-scale deployment. This Review describes major types of sorbents designed to capture CO2 from ambient air and they are categorized by the sorption mechanism: physisorption, chemisorption, and moisture-swing sorption.

Original languageEnglish (US)
Pages (from-to)6984-7006
Number of pages23
JournalAngewandte Chemie - International Edition
Issue number18
StatePublished - Apr 27 2020


  • atmospheric CO
  • carbon dioxide
  • direct air capture
  • sorbents

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)


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