Journal ArticleDOI
The crystal structure of R5Co19
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This article is published in Acta Crystallographica Section B Structural Crystallography and Crystal Chemistry.The article was published on 1974-06-15. It has received 85 citations till now. The article focuses on the topics: Wurtzite crystal structure & Tetragonal crystal system.read more
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Elaboration and characterization of magnesium-substituted La5Ni19 hydride forming alloys as active materials for negative electrode in Ni-MH battery
TL;DR: In this article, the thermodynamic and electrochemical properties of the hydrogen absorbing compounds La 5 Ni 19 and La 4 MgNi 19 have been determined using X-ray diffraction and microprobe analysis.
Journal ArticleDOI
Phase Stability, Structural Transition, and Hydrogen Absorption−Desorption Features of the Polymorphic La4MgNi19 Compound
TL;DR: The phase stability, structural transition, and hydrogen storage characteristics of the polymorphic La4MgNi19 compound are systematically investigated in this paper, where the average hydriding and dehydriding enthalpies are determined to be −32.1 and 31.5 kJ/mol H2, respectively.
Journal ArticleDOI
Structural Stability of ABy Phases in the (La,Mg)–Ni System Obtained by Density Functional Theory Calculations
TL;DR: In this paper, the stability of the ABy phase, where y = (5n + 4)/(n + 2) and n = 1-5, has been studied in the ternary system, with A = La, Mg and B = Ni.
Journal ArticleDOI
Crystal Structures of La-Mg-Nix (x ¼ 3{4) System Hydrogen Storage Alloys *
TL;DR: In this paper, the crystal structures of the La-Mg-Ni (Ni=ðLa þ Mg Þ¼ 3{4) system absorb and desorb hydrogen at room temperature, and their hydrogen storage capacities are greater than those of conventional AB5-type alloys.
Journal ArticleDOI
Structural and chemical analyses of the new ternary La5MgNi24 phase synthesized by Spark Plasma Sintering and used as negative electrode material for Ni-MH batteries
TL;DR: In this article, a ternary La 5 MgNi 24 phase with stacking structure (space group R -3 m) has been identified and its structure determined by XRD analysis.
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