Hydrogen Production Through Electrolyzers as a Key Player in Multi-Energy Systems

The chapter examines the critical role of hydrogen production through electrolyzers in the transition to sustainable energy systems. It begins by underscoring the global urgency for renewable energy sources and the need for flexible, integrated energy systems to combat climate change. The focus is on alkaline electrolysis, a well-established method for producing green hydrogen, which is crucial for energy storage and grid stabilization. The text delves into the operational principles, modeling, and control strategies of alkaline electrolyzers, emphasizing their importance in maximizing hydrogen flow and purity. It also explores the integration of hydrogen within multi-energy systems, highlighting its potential as a buffering agent for renewable energy sources and its role in future energy scenarios. The chapter addresses the challenges and future prospects of hydrogen as an energy vector, including technological advancements, cost reductions, and the development of efficient storage and transportation methods. It concludes by discussing the imperative for simultaneous development of green hydrogen supply and demand, and the metrics for evaluating the success of hydrogen integration in energy systems.