Exsolved materials for CO2 reduction in high-temperature electrolysis cells

Min Xu, Ran Cao, Han Qin, Nuoxi Zhang, Wenle Yan, Liming Liu, John T.S. Irvine, Di Chen*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

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Electrochemical reduction of CO2 into valuable fuels and chemicals has become a contemporary research area, where the heterogeneous catalyst plays a critical role. Metal nanoparticles supported on oxides performing as active sites of electrochemical reactions have been the focus of intensive investigation. Here, we review the CO2 reduction with active materials prepared by exsolution. The fundamental of exsolution was summarized in terms of mechanism and models, materials, and driven forces. The advances in the exsolved materials used in high-temperature CO2 electrolysis were catalogued into tailored interfaces, synergistic effects on alloy particles, phase transition, reversibility and electrochemical switching.
Original languageEnglish
Article number100198
Number of pages20
JournalMaterials Reports: Energy
Issue number2
Early online date28 May 2023
Publication statusPublished - 28 May 2023


  • CO reduction
  • Exsolution
  • Solid oxide electrolysis cells
  • Catalysts


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