Article ID Journal Published Year Pages File Type
1499845 Scripta Materialia 2011 4 Pages PDF
Abstract

A novel method to enhance the reaction kinetics of the reactive hydride composite 2NaBH4 + MgH2 is described. It has been discovered that short-term exposure to a moist atmosphere has a very beneficial effect on the desorption reaction of the 2NaBH4 + MgH2 mixture. By this procedure it is possible to achieve, after drying, both faster desorption kinetics and greater amounts of released hydrogen compared to ball-milled material without further treatment.

► A detailed characterization of the effects of the water exposure on the 2NaBH4 + MgH2 mixture was carried out. ► The hydrogen desorption properties of the 2NaBH4 + MgH2 composite is markedly improved by short time exposure to a moist atmosphere. ► This work demonstrate a novel approach to significantly improve the kinetics of hydrogen storage systems based on NaBH4.

Related Topics
Physical Sciences and Engineering Materials Science Ceramics and Composites
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