Innovative Pt/TiO₂-Ov Catalysts Revolutionize PEMFC Efficiency
Key Ideas
- Novel Pt/TiO₂-Ov catalyst synthesized for PEMFCs, outperforming Pt/C in HOR and ORR with superior CO tolerance.
- Study highlights the significance of metal-support interaction in enhancing catalyst performance and durability.
- Pt/TiO₂-Ov catalyst shows exceptional long-term stability and resistance to CO poisoning, offering a promising alternative for PEMFC applications.
- Research emphasizes the design of noble metal-loaded electrocatalysts with oxygen-rich reducible oxide supports for improved catalytic efficiency.
A recent study introduced a groundbreaking Pt/TiO₂-Ov catalyst for proton exchange membrane fuel cells (PEMFCs), addressing challenges like catalyst corrosion and impurity contamination. The catalyst, enriched with oxygen vacancies, demonstrated superior performance in hydrogen oxidation and oxygen reduction reactions compared to commercial Pt/C. Its remarkable CO tolerance and durability were highlighted through accelerated tests, showcasing minimal performance degradation. The study emphasized the importance of the strong metal-support interaction in enhancing long-term performance and CO resistance. The Pt/TiO₂-Ov catalyst's efficiency and resilience provide a promising alternative to traditional carbon-supported catalysts, indicating advancements in PEMFC technology. The findings offer valuable insights into designing electrocatalysts with oxygen-rich reducible oxide supports to boost energy conversion efficiency and combat CO poisoning, paving the way for more efficient and practical PEMFC applications.