Closing the Anthropogenic Chemical Carbon Cycle toward a Sustainable Future via CO2 Valorization

Jiawei Zhang, Christopher D. Sewell, Hongwen Huang, Zhiqun Lin

Research output: Contribution to journalReview articlepeer-review

55 Scopus citations

Abstract

Concerns over the massive increase in CO2 emissions induced by overconsumption of fossil fuels have driven the rapid development of CO2 valorization techniques. Carbon capture and utilization (CCU) technology, which emerged as a promising strategy to relieve increasing environmental concerns and create more carbon feedstocks simultaneously, hold great promise to close the anthropogenic chemical carbon cycle. Herein, recent breakthroughs related to the two predominant techniques involved in returning CO2 into a useful state, namely CO2 capture and CO2 conversion are systematically overviewed. Initially, CO2 capture principles, recent advances, as well as future challenges of state-of-the-art absorbents/adsorbents and membrane separation technology are summarized. Furthermore, innovative catalysts related to the CO2 conversion technologies (including thermo-driven CO2 hydrogenation, photo-and electrochemical CO2 reduction, and enzymatic CO2 conversion) are discussed, emphasis is focused on the catalytic performance, design principles, and economic efficiency. Finally, a perspective regarding the future research opportunities toward CCU technologies is provided. This review aims to stimulate innovation and accelerate interdisciplinary integrations toward CCU related technologies via a discussion of fundamental mechanisms, recent breakthroughs, current associated difficulties as well as future directions.

Original languageEnglish
Article number2102767
JournalAdvanced Energy Materials
Volume11
Issue number47
DOIs
StatePublished - 16 Dec 2021

Bibliographical note

Publisher Copyright:
© 2021 Wiley-VCH GmbH

Keywords

  • CO capture, CO conversion
  • CO valorization
  • carbon cycle

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