Efficient Electrocatalytic CO2 Fixation by Nanoconfined Enzymes via a C3-to-C4 Reaction That Is Favored over H2 Production

Giorgio Morello, Bhavin Siritanaratkul, Clare F. Megarity, Fraser A. Armstrong

Research output: Contribution to journalArticlepeer-review

Abstract

Reduction of CO2 and its direct entry into organic chemistry is achieved efficiently and in a highly visible way using a metal oxide electrode in which two enzyme catalysts, one for electrochemically regenerating reduced nicotinamide adenine dinucleotide phosphate and the other for assimilating CO2 and converting pyruvate (C3) to malate (C4), are entrapped within its nanopores. The resulting reversible electrocatalysis is exploited to construct a solar CO2 reduction/water-splitting device producing O2 and C4 with high faradaic efficiency.

Original languageEnglish
Pages (from-to)11255-11262
Number of pages8
JournalACS Catalysis
Volume9
Issue number12
DOIs
Publication statusPublished - 11 Nov 2019

Keywords

  • artificial photosynthesis
  • biocatalysis
  • CO reduction
  • cofactor recycling
  • nanoconfinement

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