Morphological, Structural and Hydrogen Storage Properties of LaCrO 3 Perovskite-Type Oxides

Mohamed Amine Lahlou Nabil, Nouredine Fenineche, Ioana Popa and Joan Josep Sunyol
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Mohamed Amine Lahlou Nabil: ICB-PMDM, UBFC University, UTBM, Rue du Leupe, CEDEX, 90040 Sevenans, France
Nouredine Fenineche: ICB-PMDM, UBFC University, UTBM, Rue du Leupe, CEDEX, 90040 Sevenans, France
Ioana Popa: ICB, UMR CNRS 6303, UBFC University, 9 Av. Alain Savary, CEDEX, 21078 Dijon, France
Joan Josep Sunyol: Department de Fisica, Campus Montilivi, Universitat de Girona, 17071 Girona, Spain

Energies, 2022, vol. 15, issue 4, 1-12

Abstract: Recently, perovskite-type oxides have attracted researchers as new materials for solid hydrogen storage. This paper presents the performances of perovskite-type oxide LaCrO 3 dedicated for hydrogen solid storage using both numerical and experimental methods. Ab initio calculations have been used here with the aim to investigate the electronic, mechanical and elastic properties of LaCrO 3 H x (x = 0, 6) for hydrogen storage applications. Cell parameters, crystal structures and mechanical properties are determined. Additionally, the cohesive energy indicates the stability of the hydride. Furthermore, the mechanical properties showed that both compounds (before and after hydrogenation) are stable. The microstructure and storage capacity at different temperatures of these compounds have been studied. We have shown that storage capacities are around 4 wt%. The properties obtained from this type of hydride showed that it can be used for future applications. XRD analysis was conducted in order to study the structural properties of the compound. Besides morphological, thermogravimetric analysis was also conducted on the perovskite-type oxide. Finally, a comparison of these materials with other hydrides used for hydrogen storage was carried out.

Keywords: perovskite-type oxide; hydrogen storage; XRD analysis; rietveld refinement; ab initio calculations (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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