Researchers at the University of Hong Kong and Northwestern University have collaborated to develop a supramolecular material that enables the compression of hydrogen for storage without increasing its weight. Published in Nature Chemistry, the study introduces a novel 'controlled catenation strategy' within hydrogen-bonded organic frameworks RP-H100 and RP-H101. This approach utilizes multiple hydrogen bonds for precise catenation, resulting in frameworks with high surface areas, durability, and optimized pore sizes ideal for hydrogen storage. The material can store 53.7g of hydrogen per liter, making up 9.3% of the system's overall weight, addressing the low volumetric density challenge of hydrogen storage. The research emphasizes the global efforts to enhance hydrogen storage systems. The United States Department of Energy has set specific metrics for storage capacity, encouraging innovations like the supramolecular crystals. Additionally, researchers in Japan have developed a model for predicting barriers in dehydrogenation, leveraging solid-state hydrogen storage in magnesium hydride. Moreover, Stanford University has made advancements in liquid organic hydrogen carriers (LOHCs) technology, creating a 'liquid battery' for storing renewable energy efficiently. Led by chemistry professor Robert Waymouth, the team developed a catalytic system for converting electricity into isopropanol without producing gaseous hydrogen as a byproduct. These developments signify promising strides in sustainable fuel storage and renewable energy technologies.