Nanozymes for clean energy catalysis: unlocking potential, progress and perspectives

Area of Science:

• Materials Science
• Catalysis
• Energy Conversion

Background:

• Growing demand for sustainable energy drives research into advanced catalytic materials.
• Nanozymes, enzyme-mimicking nanomaterials, show promise due to tunable properties, stability, and cost-effectiveness.

Purpose of the Study:

• To review recent advancements in nanozyme applications for clean energy technologies.
• To discuss mechanistic roles and engineering strategies of nanozymes in key energy conversion reactions.

Main Methods:

• Literature review of nanozyme applications in hydrogen evolution/reduction, CO2 reduction, biofuel production, and methane-to-methanol conversion.
• Analysis of nanozyme structure-activity relationships and performance metrics (turnover frequency, cost, stability).
• Discussion of emerging engineering strategies like nanostructuring, doping, hybridization, and 3D printing.

Main Results:

• Nanozymes demonstrate significant potential in various clean energy applications, including biofuel cells, electrolyzers, and fuel cells.
• Benchmarking reveals nanozymes' advantages over conventional catalysts in terms of performance and cost.
• Emerging technologies offer pathways to overcome challenges like selectivity and scalability.

Conclusions:

• Nanozymes and nanozyme-inspired systems are poised to become next-generation catalysts for clean energy.
• Further research into mechanistic understanding and scalability is crucial for practical implementation.
• Nanozymes play a vital role in advancing the transition to a carbon-neutral energy economy.