Modulating the Structure and Composition of Single-Atom Electrocatalysts for CO₂ reduction.

Area of Science:

• Electrochemistry
• Materials Science
• Catalysis

Background:

• Electrochemical CO2 reduction (eCO2 RR) offers a sustainable route for carbon cycling.
• Single-atom catalysts (SACs) exhibit high atom utilization and tunable structures for eCO2 RR.

Purpose of the Study:

• To review recent advancements in SACs for eCO2 RR.
• To discuss the interaction between active sites and CO2, electronic structure effects, and support materials.
• To explore reaction mechanisms and selectivity strategies for producing valuable products.

Main Methods:

• Literature review and analysis of recent research on SACs for eCO2 RR.
• Discussion of modification strategies impacting SAC electronic structure and catalytic performance.
• Examination of support materials' role in assisting catalytic reactions.

Main Results:

• Modification strategies can tune SAC electronic structures to enhance catalytic performance.
• Support materials play a crucial role in facilitating the catalytic process.
• Understanding reaction mechanisms is key to improving selectivity for specific products.

Conclusions:

• SACs are highly promising for efficient eCO2 RR.
• Further research into SAC design and modification can optimize CO2 conversion.
• This review provides insights for developing advanced catalysts for valuable chemical production.