Towards the large-scale electrochemical reduction of carbon dioxide

Subin Park, Devina Thasia Wijaya, Jonggeol Na, Chan Woo Lee

Research output: Contribution to journalReview articlepeer-review

21 Scopus citations

Abstract

The severe increase in the CO2 concentration is a causative factor of global warming, which accelerates the destruction of ecosystems. The massive utilization of CO2 for value-added chemical production is a key to commercialization to guarantee both economic feasibility and negative carbon emission. Although the electrochemical reduction of CO2 is one of the most promising technologies, there are remaining challenges for large-scale production. Herein, an overview of these limitations is provided in terms of devices, processes, and catalysts. Further, the economic feasibility of the technology is described in terms of individual processes such as reactions and separation. Addition-ally, for the practical implementation of the electrochemical CO2 conversion technology, stable elec-trocatalytic performances need to be addressed in terms of current density, Faradaic efficiency, and overpotential. Hence, the present review also covers the known degradation behaviors and mecha-nisms of electrocatalysts and electrodes during electrolysis. Furthermore, strategic approaches for overcoming the stability issues are introduced based on recent reports from various research areas involved in the electrocatalytic conversion.

Original languageEnglish
Article number253
Pages (from-to)1-30
Number of pages30
JournalCatalysts
Volume11
Issue number2
DOIs
StatePublished - Feb 2021

Keywords

  • Commercialization
  • Electrochemical reduction of carbon dioxide
  • Large-scale production
  • Process systems
  • Stability
  • Techno-eco-nomic analysis

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