Recent Progress in Enzyme Immobilization to Metal-Organic Frameworks to Enhance the CO₂ Conversion Efficiency

Area of Science:

• Catalysis
• Materials Science
• Environmental Science

Background:

• Climate change and energy crisis are driven by excessive carbon dioxide (CO2) emissions.
• Enzyme-catalyzed carbon technology provides a green route for CO2 conversion but suffers from enzyme instability.
• Metal-organic frameworks (MOFs) can immobilize enzymes, enhancing stability and facilitating CO2 adsorption.

Purpose of the Study:

• To review synthesis technologies and applications of enzyme@MOFs for CO2 catalytic conversion.
• To discuss strategies for improving CO2 utilization, coenzyme regeneration, and substrate mass transfer.
• To present innovative ideas for future research in efficient CO2 conversion using enzyme@MOFs.

Main Methods:

• Review of existing literature on enzyme immobilization within MOFs.
• Analysis of enzyme@MOF composite synthesis techniques.
• Evaluation of strategies to enhance catalytic efficiency in CO2 conversion.

Main Results:

• Enzyme@MOF composites demonstrate enhanced enzyme stability and efficient CO2 adsorption.
• MOFs provide a protective microenvironment for enzymes, preventing denaturation.
• Optimized enzyme@MOFs show potential for high efficiency in CO2 catalytic conversion.

Conclusions:

• Enzyme@MOF composites are promising for sustainable CO2 conversion.
• Further research into enhancing CO2 utilization and mass transfer is crucial.
• Enzyme@MOFs offer a viable pathway towards mitigating CO2 emissions and advancing carbon resource management.