Solar Hydrogen Production: Challenges and Progress

This lecture discusses the vision for hydrogen as a key element in achieving carbon neutrality by 2050, emphasizing the importance of green hydrogen production technology. It covers various methods for solar hydrogen production, including photoelectrochemical and PV-electrolysis approaches, highlighting the efficiency, cost, and complexity of different systems. The presentation showcases the state-of-the-art progress in solar hydrogen production, from laboratory devices to large-scale demonstrations, addressing challenges such as stability, efficiency, and scalability. The lecture also explores innovative techniques like inkjet printing for fabricating large photoelectrodes and integrated PV-EC systems for efficient water splitting.