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High impact applications, properties and synthesis of exciting new materials
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Physics, chemistry and biology of Soft Matter
Communication
J. Mater. Chem., 2005, 15, 4106 - 4108, DOI: 10.1039/b511589b
Metal ammine complexes for hydrogen storage
Claus Hviid Christensen, Rasmus Zink Sørensen, Tue Johannessen, Ulrich J. Quaade, Karoliina Honkala, Tobias D. Elmøe, Rikke Køhler and Jens K. Nørskov
The hopes of using hydrogen as an energy carrier are severely dampened by the fact that there is still no safe, high-density method available for storing hydrogen. We investigate the possibility of using metal ammine complexes as a solid form of hydrogen storage. Using Mg(NH3)6Cl2 as the example, we show that it can store 9.1% hydrogen by weight in the form of ammonia. The storage is completely reversible, and by combining it with an ammonia decomposition catalyst, hydrogen can be delivered at temperatures below 620 K.
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