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Updated: Sep 5, 2025
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In Situ High Pressure Hydrogen Tribological Testing of Common Polymer Materials Used in the Hydrogen Delivery Infrastructure
Published on: March 31, 2018
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Impact of Polymers on Magnesium-Based Hydrogen Storage Systems
Sadhasivam Thangarasu1, Tae Hwan Oh1
1School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Korea.
Polymers
|July 9, 2022
Summary
This review explores polymer encapsulation for magnesium hydride (Mg-H) hydrogen storage systems. Encapsulating Mg-H with polymers improves hydrogen uptake and kinetics while preventing air contamination.
Area of Science:
- Materials Science
- Chemical Engineering
- Energy Storage
Background:
- Hydrogen energy systems (HES) are crucial for a clean energy future.
- Material-based hydrogen storage systems (HSS) offer high storage capacity.
- Magnesium hydride (Mg-H) shows promise but suffers from poor kinetics and oxidation.
Purpose of the Study:
- To review the impact of polymer encapsulation on Mg-H based hydrogen storage.
- To investigate how polymers mitigate oxidation and improve kinetics in Mg-H.
Main Methods:
- Systematic review of studies on Mg-H encapsulated with various polymers.
- Analysis of polymer barrier properties against air and moisture.
- Evaluation of effects on hydrogen sorption kinetics and uptake.
Main Results:
- Polymer encapsulation acts as a barrier, preventing Mg-H oxidation and moisture contamination.
- Gas-selective polymers allow H2 passage while blocking O2 and H2O.
- Encapsulation prevents hydride nanoparticle aggregation, enhancing H2 uptake and sorption kinetics.
Conclusions:
- Polymer-encapsulated Mg-H significantly improves hydrogen storage performance.
- This approach addresses key limitations of Mg-H, making it more viable for HES.
- Further research into specific polymer-Mg-H interactions can optimize hydrogen storage solutions.
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