A study of the magnetic properties of LaNi5 and their effect on hydrogen desorption under theaction of a magnetostatic field

Sihem Belkhiria; Chaker Briki; Mohamed Houcine Dhaou; Faisal Alresheedi; Abdelmajid Jemni

doi:10.1016/j.heliyon.2023.e20311

A study of the magnetic properties of LaNi₅ and their effect on hydrogen desorption under theaction of a magnetostatic field

Heliyon. 2023 Sep 21;9(10):e20311. doi: 10.1016/j.heliyon.2023.e20311. eCollection 2023 Oct.

Authors

Sihem Belkhiria¹, Chaker Briki¹, Mohamed Houcine Dhaou^{2

1}, Faisal Alresheedi², Abdelmajid Jemni¹

Affiliations

¹ University of Monastir, Faculty of Sciences, Laboratory of Thermal and Energetic Systems Studies, LR99ES31, 5019, Monastir, Tunisia.
² Department of Physics, College of Science, Qassim University, Buraidah, 51452, Saudi Arabia.

Abstract

A study of the magnetic properties of LaNi₅ intermetallic compoundand and their effect on desorption reaction was carried out as a function of temperature. A Vibrating Sample Magnetometer (VSM) was used for the magnetic measurements and a Metal Hydrogen Reactor (MHR) supplied by a constant current through a coil was used for the hydrogen desorption reaction under the action of a magnetostatic field. Then, the hysteresis cycle, the first magnetization curve, the thermo-magnetization curves and the desorbed hydrogen mass were determined. The results showed that the application of a magnetic field corresponding to the magnetization at saturation M_s at a given temperature improved the hydrogen desorption reaction by the LaNi₅.

Keywords: Desorption reaction; Hydrogen storage; Hysteresis cycle; Magnetization at saturation; Reaction kinetics; Thermo-magnetic effect.