Co-Catalyst Engineering toward Efficient and Scalable Photoelectrochemical Water Splitting: From Functional Roles to Integration Strategies

Key Points

• This research aims to enhance photoelectrochemical water splitting efficiency by optimizing co-catalyst integration strategies.
• Investigated various co-catalysts and their functional roles in water splitting systems.
• Focused on strategies for integration to improve scalability in solar-to-hydrogen conversion processes.
• Analyzed surface reaction kinetics to identify optimization opportunities.
• Demonstrated that specific co-catalysts significantly improve reaction rates, enhancing hydrogen production efficiency.
• Achieved scalable techniques for implementing co-catalysts in PEC systems, potentially reducing cost.
• Highlighted operational conditions under which co-catalysts show marked performance enhancements.