Hydrogen storage in nanoparticles works

March 31, 2008

Dutch chemist Kees Baldé has demonstrated that hydrogen can be efficiently stored in nanoparticles. This allows hydrogen storage to be more easily used in mobile applications. Baldé discovered that 30 nanometre particles of the metal hydride sodium alanate make the favourable extraction and storage of hydrogen possible.

Hydrogen is considered to be a clean storage and transport medium for energy. Therefore many future scenarios are based on the storage and transport of hydrogen. Various obstacles need to be overcome before this so-called hydrogen economy can be used on a large scale. One of these is the storage of hydrogen.

A highly-promising method for storing hydrogen is its absorption in a metal hydride. A disadvantage of this method is that hydrogen uptake and release rates are low for metal hydrides. Reducing the particle size of the metal hydride to a nanometre scale is a possible solution to this problem.

Baldé demonstrated that 30 nanometre particles of sodium alanate store hydrogen in a highly efficient manner. With the addition of a titanium catalyst, a further reduction in the particle size to 20 nanometres is possible and this leads to an even more efficient storage of hydrogen.

The deactivation process of the titanium catalyst was also studied because this inhibits the uptake and release rate of hydrogen. Structural characteristics that exert an influence on the catalyst's activity were found. This knowledge can be used to develop an improved catalyst.

Source: NWO

Explore further: Rusty steel triggers oxygen evolution

Related Stories

Rusty steel triggers oxygen evolution

July 21, 2016

Electrocatalytic water splitting is one of the most promising next generation technologies for environmentally friendly and inexpensive energy conversion and storage. However, one of its biggest obstacles is the sluggishness ...

Modular construction—on a molecular scale

June 13, 2016

Modular constructions from cages (proteins), hubs (metal ions), and struts (organic linkers) allows the rational design of porous scaffolds. The inherent chemical and structural diversity of these building blocks leads to ...

The search for new materials for hydrogen storage

September 20, 2012

(Phys.org)—Hydrogen is the ideal fuel for new types of fuel cell vehicles, but one problem is how to store hydrogen. In his doctoral dissertation Serhiy Luzan studies new types of materials for hydrogen storage. He also ...

Baking powder for environmentally friendly hydrogen storage

June 14, 2011

(PhysOrg.com) -- Hydrogen is under consideration as a promising energy carrier for a future sustainable energy economy. However, practicable solutions for the easy and safe storage of hydrogen are still being sought. Despite ...

Recommended for you

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.