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Anales (Asociación Física Argentina)

versión impresa ISSN 0327-358Xversión On-line ISSN 1850-1168

Resumen

NAPAN, R  y  PELTZER Y BLANCA, E.L. Calculations of the first beginning of the electronic properties and Bader analysis in the series LiHn. An. AFA [online]. 2015, vol.26, n.1, pp.30-35. ISSN 0327-358X.

When we trying to solve the problem of the application of hydrogen as an energy vector, storage and portability are important factors. Under this premise, saline hydrides such as lithium hydride appear as an alternative that provides optimal properties, among which are, their high reactivity and reversibility. In this paper we have focused on establishing what would be the most suitable compound for use in hydrogen storage. The first-principles calculations based on Density Functional Theory ( DFT acronym ), have been used to study the physico-chemical properties of the compounds of LiHn. Through them, two phases are compared with four different crystal structures to determine the energies of formation and charge transfer between atoms, using Bader analysis. Additionally, internal and structural parameters have been determined of each compound, electronic properties, and charge densities. The tool used was the LAPW method implemented in the code Wien2k.

Palabras clave : Storage hydrogen; Bader analysis; Metal hydrides.

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