中国团队获液氢制取设备研制新突破

Core Viewpoint - The Chinese Academy of Sciences has achieved significant breakthroughs in the development of liquid hydrogen production equipment, enabling large-scale and efficient domestic production capabilities for liquid hydrogen plants, which is crucial for the hydrogen energy industry [1][2]. Group 1: Technological Advancements - The research team has successfully developed key technologies for a 5 tons/day liquid hydrogen production system, which supports the future development of larger-scale hydrogen liquefiers with capacities ranging from 10 tons/day to 30 tons/day [1]. - The team has overcome challenges in hydrogen liquefaction, achieving a maximum adiabatic efficiency of 83.52% for the high-speed heavy-duty hydrogen turbine expander and a heat exchange efficiency of 96.77% for the integrated heat exchanger [2]. Group 2: Industry Implications - The advancements in liquid hydrogen production are expected to facilitate the domestic production of critical technologies and equipment for hydrogen storage, transportation, and safety, thereby promoting the establishment of a complete hydrogen supply chain in China [1]. - The liquid hydrogen production process is essential for the commercial application of hydrogen fuel vehicles and the development of green hydrogen energy, which are vital for the aerospace sector and other industries [1][2]. Group 3: Project Outcomes - The liquid hydrogen production equipment has demonstrated a rated liquefaction capacity of 5.27 tons/day, with an energy consumption of 11.8 kilowatt-hours per kilogram of liquid hydrogen produced [4]. - The project team participated in the 2025 International Digital Energy Exhibition, showcasing the 5 tons/day liquid hydrogen production equipment, which garnered significant attention from the industry [3][4].