Hydrogen Storage

 


A new study was published in Nature Chemistry about the storage of hydrogen. The team consists of chemists from the University of Hong Kong, Northwestern University and Duke University. They have developed a supra molecular  material that is used to compress hydrogen. The process involves porous, organic crystals and it’s claimed to allow hydrogen storage that is not too heavy.

Hydrogen is known as a clean energy resource. However, it’s not used in a large scale way because of storage problems. It takes up a lot more space than gasoline. Scientists around the world have been researching compression methods.

In this study, the team devised a technique that meets the US department of energy’s standards. The first goal was to store at least 50g of hydrogen per liter of material used for its storage. The second goal is that it should not be too heavy. This means that the weight of the hydrogen stored should not be more than 6.5% of the total weight. Previous efforts have failed, although researchers claim they have created a material that meets both goals.

Organic molecules are used, interlinked into a honeycomb shape. The pores of the substance are the perfect size for hydrogen molecules. The hydrogen bonds with the crystals, thus keeping them in place.

This bonding allows for organized tight storage that makes hydrogen a more stable material. Testing of the material showed interesting results. It was capable of storing 53.7.g  of hydrogen per liter of material (Where hydrogen is made up of 9.3% of the overall weight).

Research and laboratory testing will be completed this year on hydrogen storage! 



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