Chapter 3: Heterogeneous Electrochemical CO2Reduction

Ezra L. Clark, Alexis T. Bell

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Scopus citations


The electrochemical reduction of CO2 over metallic electrocatalysts is a complex process that involves many interrelated phenomena. These phenomena include the composition of both the electrocatalyst and the electrolyte in the immediate vicinity of its surface. Consequently, the properties of both influence the observed activity and product selectivity. This chapter discusses how the composition of the electrocatalyst and electrolyte influence the activity and product selectivity of heterogeneously catalyzed CO2 reduction. The fundamental origins of these influences are discussed in light of the current mechanistic understanding of the reaction and design principles leading to optimal activity and selectivity.

Original languageEnglish (US)
Title of host publicationCarbon Dioxide Electrochemistry
Subtitle of host publicationHomogeneous and Heterogeneous Catalysis
EditorsMarc Robert, Cyrille Costentin, Kim Daasbjerg
PublisherRoyal Society of Chemistry
Number of pages53
ISBN (Electronic)9781788015462
StatePublished - 2021

Publication series

NameRSC Energy and Environment Series
ISSN (Print)2044-0774
ISSN (Electronic)2044-0782

All Science Journal Classification (ASJC) codes

  • Global and Planetary Change
  • Environmental Chemistry
  • Energy(all)


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