Microwave-assisted synthesis of MgH2 nanoparticles for hydrogen storage applications

Abstract Magnesium’s high storage capacity, with a theoretical value of about 7.6 wt.%, makes it a viable candidate for hydrogen storage. However, slow kinetics and strong thermodynamic stability lead to a rather high desorption temperature, usually above 350 °C. It has been demonstrated that nanosizing magnesium-based materials is a successful strategy for simultaneously improving the kinetic and thermodynamic characteristics of MgH 2 during hydrogen absorption and desorption. MgH 2 nanoparticles were obtained by microwave assisted synthesis. To the best of our knowledge, synthesis of MgH 2 nanoparticles by this method has not been reported. It was possible to produce MgH 2 nanoparticles smaller than 20 nm. MgO and Mg(OH) 2 were also present in the produced nanoparticles, although these compounds may enhance the processes involved in the release and absorption of hydrogen.

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Publication Details

Journal
Journal of Nanoparticle Research
Published
2025-02-01
DOI
https://doi.org/10.1007/s11051-025-06217-1
Citations
11
Primary Topic
Hydrogen Storage and Materials
Type
article
Field-Weighted Citation Impact
5.70

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article

Microwave-assisted synthesis of MgH2 nanoparticles for hydrogen storage applications

Carlos E. Arrieta, Sindy Bello, J.A. Lenis, Esteban Correa et al.
11 citations
Journal of Nanoparticle Research
Hydrogen Storage and Materials
5.70
article

Microwave-assisted synthesis of MgH2 nanoparticles for hydrogen storage applications

Carlos E. Arrieta, Sindy Bello, J.A. Lenis, Esteban Correa, Robinson Aguirre Ocampo, Félix Echeverría, Alejandro Zuleta, F.J. Bolívar, Julian Arias-Velandia
article en
11 citations

Abstract

Abstract Magnesium’s high storage capacity, with a theoretical value of about 7.6 wt.%, makes it a viable candidate for hydrogen storage. However, slow kinetics and strong thermodynamic stability lead to a rather high desorption temperature, usually above 350 °C. It has been demonstrated that nanosizing magnesium-based materials is a successful strategy for simultaneously improving the kinetic and thermodynamic characteristics of MgH 2 during hydrogen absorption and desorption. MgH 2 nanoparticles were obtained by microwave assisted synthesis. To the best of our knowledge, synthesis of MgH 2 nanoparticles by this method has not been reported. It was possible to produce MgH 2 nanoparticles smaller than 20 nm. MgO and Mg(OH) 2 were also present in the produced nanoparticles, although these compounds may enhance the processes involved in the release and absorption of hydrogen.

Journal of Nanoparticle ResearchVol. 27(2)
Universidad Pontificia Bolivariana (CO), Universidad de Antioquia (CO), Universidad de Medellín (CO)
Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS), Universidad de Antioquia, Universidad de Medellín, Universidad Pontificia Bolivariana
Openalex Percentile: Top 4%
Hydrogen Storage and Materials
5.70
DOIOpen Access PDFOpenAlex
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