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Ionic Liquid-Modified Catalyst for Electrocatalytic CO2 Reduction: Design, Regulation and Application.

Renjie Zhang1,2, Jianling Zhang1,2, Mingxia Zhang1,2

  • 1Beijing National Laboratory For Molecular Sciences, CAS Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center For Excellence in Molecular Sciences, Center for Carbon Neutral Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing, China.

Advanced Materials (Deerfield Beach, Fla.)
|July 3, 2026
PubMed
Summary
This summary is machine-generated.

Ionic liquids (ILs) enhance electrochemical carbon dioxide (CO2) reduction by improving catalyst performance. This review guides the design of novel IL-based processes for CO2 conversion and carbon cycle closure.

Keywords:
IL‐modified electrocatalystPIL‐modified electrocatalystelectrocatalytic CO2 reductionionic liquid (IL)

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Area of Science:

  • Electrochemistry
  • Materials Science
  • Environmental Science

Background:

  • Carbon dioxide (CO2) is a C1 resource with potential for electrochemical conversion.
  • Ionic liquids (ILs) offer tunable, green solvent properties for electrochemical applications.
  • Integrating CO2 fixation with renewable energy storage is key to closing the carbon cycle.

Purpose of the Study:

  • To review recent advances in using ionic liquids (ILs) as electrocatalyst components for CO2 electroreduction.
  • To analyze how IL components, catalyst properties, and operational conditions influence CO2 conversion.
  • To provide guidance for designing novel IL-based electrochemical CO2 conversion processes.

Main Methods:

  • Literature review of recent research on ILs in electrochemical CO2 reduction.
  • Analysis of factors affecting catalytic activity, selectivity, and stability.
  • Investigation of intrinsic mechanisms for enhanced CO2 conversion performance.

Main Results:

  • Ionic liquids significantly enhance electrocatalyst performance for CO2 electroreduction.
  • IL components, catalyst properties, and operational conditions critically impact CO2 conversion efficiency.
  • Mechanistic insights reveal pathways for improved catalytic activity and selectivity.

Conclusions:

  • Ionic liquids are promising alternatives to conventional electrolytes for electrochemical CO2 conversion.
  • Rational design of IL-based catalysts and processes can optimize CO2 fixation and carbon cycle closure.
  • Future research should address current challenges and explore new directions in IL-modified electrocatalysis.