What We Currently Know about Carbon-Supported Metal and Metal Oxide Nanomaterials in Electrochemical CO2 Reduction

Milla Suominen*, Tanja Kallio*

*Corresponding author for this work

Research output: Contribution to journalReview Articlepeer-review

1 Citation (Scopus)

Abstract

Electrochemical reduction of CO2 is considered important in enhancing the circular-economy design; it can suppress harmful greenhouse-gas emissions while, combined with intermittent renewable energy sources, it can employ the surplus energy for production of important chemicals and fuels. In the process, electrocatalysts play an important role as the mediators of the highly active and selective conversion of CO2. Transition and post transition metals and their oxides are an important electrocatalyst group. For practical reasons, these metals need to be applied as nanoparticles supported on highly conducting materials enabling fabrication of 3D electrodes. In this minireview, we focus on gathering our current knowledge on the effects which transition and post transition metal and metal oxide nanoparticles supported on different carbons may have on electrochemical reduction of CO2. We focus on literature of studies conducted in aqueous conditions, under as similar conditions as possible, to ensure comparability. This approach enables us to highlight possible support effects and issues that complicate making conclusions on support effects.

Original languageEnglish
Pages (from-to)2397-2406
Number of pages10
JournalCHEMELECTROCHEM
Volume8
Issue number13
Early online date8 Jun 2021
DOIs
Publication statusPublished - 1 Jul 2021
MoE publication typeA2 Review article in a scientific journal

Keywords

  • carbon
  • electrochemical CO reduction
  • post-transition metals
  • supported nanoparticles
  • transition metals

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  • 2019 SA Profi5

    Mäkelä, K.

    01/04/201931/08/2023

    Project: Academy of Finland: Competitive funding to strengthen university research profiles

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