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Predicting New Materials for Hydrogen Storage Application
Center for Materials Sciences and Nanotechnology, Department of Chemistry, University of Oslo, Box 1033 Blindern N-0315, Oslo, Norway
* Author to whom correspondence should be addressed.
Received: 2 December 2009 / Accepted: 11 December 2009 / Published: 14 December 2009
Abstract: Knowledge about the ground-state crystal structure is a prerequisite for the rational understanding of solid-state properties of new materials. To act as an efficient energy carrier, hydrogen should be absorbed and desorbed in materials easily and in high quantities. Owing to the complexity in structural arrangements and difficulties involved in establishing hydrogen positions by x-ray diffraction methods, the structural information of hydrides are very limited compared to other classes of materials (like oxides, intermetallics, etc.). This can be overcome by conducting computational simulations combined with selected experimental study which can save environment, money, and man power. The predicting capability of first-principles density functional theory (DFT) is already well recognized and in many cases structural and thermodynamic properties of single/multi component system are predicted. This review will focus on possible new classes of materials those have high hydrogen content, demonstrate the ability of DFT to predict crystal structure, and search for potential meta-stable phases. Stabilization of such meta-stable phases is also discussed.
Keywords: hydrogen storage materials; theoretical modeling; complex hydrides; structural study
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Cite This Article
MDPI and ACS Style
Vajeeston, P.; Ravindran, P.; Fjellvåg, H. Predicting New Materials for Hydrogen Storage Application. Materials 2009, 2, 2296-2318.
Vajeeston P, Ravindran P, Fjellvåg H. Predicting New Materials for Hydrogen Storage Application. Materials. 2009; 2(4):2296-2318.
Vajeeston, Ponniah; Ravindran, Ponniah; Fjellvåg, Helmer. 2009. "Predicting New Materials for Hydrogen Storage Application." Materials 2, no. 4: 2296-2318.