Structural Characterization of the Silicon Clathrate Compound Kx(H2)ySi46 for Hydrogen Storage Materials

Clathrate hydrogen hydrate--a promising material for hydrogen storage.

Hydrogen is viewed as a promising clean fuel of the future. A low-cost hydrogen storage technology that provides a high storage capacity and fast kinetics is a critical factor in the development of a hydrogen economy for transportation. The technologies to store hydrogen can be classified into three types: compression, liquefaction, and storage in a solid material. 2] Compressing hydrogen requi...

Nanostructured Polymeric Materials for Hydrogen Storage

a structural survey of the polish posters

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Predicting New Materials for Hydrogen Storage Application

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 diffract...

Structural and electronic properties of tin clathrate materials

Using an ab initio local density approximation ~LDA! method, we have studied the structural properties and the electronic band structures of several tin-based clathrate materials. We find that the pure type-I (Sn46) and type-II (Sn136) clathrate frameworks are metastable, expanded-volume phases of Sn and that they are semiconductors. We further find that the Cs encapsulated type-I binary clathr...