The Potential of Polymers and Glass to Enhance Hydrogen Storage Capacity: A Mathematical Approach

Area of Science:

• Materials Science
• Chemical Engineering
• Sustainable Energy

Background:

• Hydrogen storage is critical for sustainable energy solutions.
• Capillary arrays offer enhanced surface area for hydrogen uptake.
• Material selection is key to optimizing hydrogen storage capacity.

Purpose of the Study:

• To evaluate polymers and glass for hydrogen storage in capillary tubes.
• To quantify the impact of material properties on storage capacity.
• To identify materials for next-generation energy storage systems.

Main Methods:

• Mechanical property and strength evaluation of polymers and glass under 700 bar pressure.
• Theoretical mathematical modeling to assess storage capacity.
• Analysis of material density and structural integrity within capillary arrays.

Main Results:

• Certain polymers (Zylon AS, Dyneema SK99) and S-2 Glass exhibit superior hydrogen storage potential.
• Enhanced strength and low density correlate with higher storage capacity.
• Achieved hydrogen storage efficiencies of 15-37 wt.% and 37-40 g/L.

Conclusions:

• Selected polymers and glass are viable candidates for high-capacity hydrogen storage.
• Material properties significantly influence hydrogen storage efficiency in capillary systems.
• Findings guide material selection and design for advanced hydrogen storage technologies.