Research Trends and Safety Guidelines on Cooling System of Hydrogen Fuel Cell Propulsion System for UAM

Recently, active research is being conducted for the commercialization of urban air mobility (UAM). Various types of propulsion systems are being considered as candidates for UAM propulsion, and the electric propulsion system based on hydrogen fuel cells with high energy density is gaining attention as an eco-friendly propulsion system. This study briefly introduces the operating principles of hydrogen fuel cells and analyzes development cases of UAMs equipped with hydrogen fuel cells. It aims to understand the current development status and research trends of hydrogen fuel cell propulsion systems for UAMs. Additionally, this study analyzes the methods and research trends of thermal management systems, which are essential for the application of high-power hydrogen fuel cells. It also examines and analyzes the current status of certification standards for hydrogen fuel cell thermal management systems for UAMs, both domestically and internationally.