Core Viewpoint - The large-scale salt cavern hydrogen storage project, a collaboration between Sinochem Group and Tsinghua University, has officially commenced in Changzhou, Jiangsu, aiming to address the technical challenges of gaseous hydrogen storage [1] Group 1: Project Overview - The project focuses on the safety, efficiency, and economic viability of large-scale hydrogen storage, setting up five specialized sub-topics including geological evaluation, new material development, cavern structure design, safety regulation, and engineering demonstration [1] - The main engineering project will involve the construction of two salt caverns, with two hydrogen injection and extraction wells and two brine injection and discharge wells, serving as the experimental platform for large-scale geological hydrogen storage [1] Group 2: Technological Development - The initiative aims to establish a complete set of proprietary technology for salt cavern hydrogen storage, bridging the gap from theoretical research to practical engineering applications [1] - The project is expected to facilitate the large-scale industrial application of salt cavern hydrogen storage, contributing to the advancement of hydrogen energy technology in China [1]

Core Viewpoint - Sichuan Province is advancing its hydrogen energy industry by implementing a long-term development plan that focuses on various hydrogen production technologies and storage solutions [1] Group 1: Hydrogen Production Technologies - The plan emphasizes the development of green and large-scale hydrogen production technologies, aiming to break through megawatt-level proton exchange membrane electrolysis technology [1] - It includes research on solid oxide electrolysis, anion exchange membrane electrolysis, and advanced methods such as photolytic water splitting and high-temperature nuclear hydrogen production [1] Group 2: Hydrogen Storage Solutions - The focus is on achieving breakthroughs in manufacturing technologies for high-pressure hydrogen storage tanks (70 MPa and above) and low-temperature liquid hydrogen storage tanks [1] - There is an emphasis on increasing research into salt cavern hydrogen storage, solid-state hydrogen storage, organic liquid hydrogen storage, and deep cryogenic liquid hydrogen technologies [1] Group 3: Infrastructure and Transportation - The plan also explores the technology for blending hydrogen with natural gas and the transportation of pure hydrogen through pipelines [1]