Metal-organic framework composites for electrochemical CO2 reduction reaction

Kayode A. Adegoke, Joshua O. Ighalo, Jeanet Conradie, Chinemerem R. Ohoro, James F. Amaku, Kabir O. Oyedotun, Nobanathi W. Maxakato, Kovo G. Akpomie, Emmanuel Sunday Okeke, Chijioke Olisah, Alhadji Malloum

Research output: Contribution to journalReview articlepeer-review

Abstract

Carbon dioxide (CO2) levels in the atmosphere are quickly increasing as a consequence of anthropogenic activities, which present grave hazards and dangerous circumstances to not only humanity but also the ecosystem. Currently, electrochemical CO2 conversion to chemical/fuels remains one of the best methods for minimizing CO2 concentrations. Metal-organic frameworks (MOFs) composite materials have been considered as new class of highly-performed electrocatalysts for CO2 reduction reaction (CO2RR) due to their wide surface area, higher porosity, chemical tunability and excellent stability. This article presents major approaches for electrochemical CO2RR to value-added product. These were followed by discussing the recent advancements in MOF composite electrocatalysts for CO2RR including active sites MOF-supported electrocatalysts, metal-nanoparticles-supported MOFs, conductive supported MOFs composites, and polyoxometalate-based MOF composites. Lastly, some challenges currently facing MOF composites for CO2RR as well as anticipated future advances were discussed. Research hotspot lies in the creation of highly effective CO2RR electrocatalyst such as ligand engineering in MOFs. It is believed that the current study will contribute to accelerating the fabrication of efficient MOF composite materials for abating the CO2 emission in the ecosystem and to highlight the necessity for further research to address significant environmental sustainability concerns.

Original languageEnglish
Article number126532
JournalSeparation and Purification Technology
Volume341
DOIs
Publication statusPublished - 9 Aug 2024

Keywords

  • Anthropogenic activities
  • CO reduction reaction
  • Electrocatalyst
  • Environmental sustainability
  • Metal-organic framework composites

ASJC Scopus subject areas

  • Analytical Chemistry
  • Filtration and Separation

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