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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Electroless Nickel Plating of Magnesium Particles for Hydrogen Storage

by
Sindy Bello
1,*,
Robinson Aguirre Ocampo
2,
Julián Arias Velandia
2,
Alejandro Zuleta Gil
3,
Esteban Correa
1,
Wilber Silva
4,
Julián Andrés Lenis Rodas
2,
Carlos Arrieta
5,
Francisco Bolívar
2,
Cesar Nieto
6 and
Félix Echeverria
2
1
Grupo de Investigación Materiales con Impacto—MAT&MPAC, Facultad de Ingenierías, Universidad de Medellín UdeM, Carrera 87 No 30–65, Medellín 050026, Colombia
2
Centro de Investigación, Innovación y Desarrollo de Materiales—CIDEMAT, Facultad de Ingeniería, Universidad de Antioquia UdeA, Calle 70 No 52–21, Medellín 050010, Colombia
3
Grupo de Investigación de Estudios en Diseño—GED, Facultad de Diseño Industrial, Universidad Pontificia Bolivariana, Sede Medellín, Circular 1 No 70–01, Medellín 050010, Colombia
4
Grupo de Investigación en Óptica y Espectroscopía, Escuela de Ingenierías, Universidad Pontificia Bolivariana, Sede Medellín, Circular 1 No 70–01, Medellín 050010, Colombia
5
Grupo de Investigación en Energía—GRINEN, Facultad de Ingenierías, Universidad de Medellín UdeM, Carrera 87 No 30–65, Medellín 050026, Colombia
6
Grupo de Energía y Termodinámica, Escuela de Ingenierías, Universidad Pontificia Bolivariana, Sede Medellín, Circular 1 No 70–01, Medellín 050010, Colombia
*
Author to whom correspondence should be addressed.
Appl. Nano 2025, 6(3), 16; https://doi.org/10.3390/applnano6030016
Submission received: 25 June 2025 / Revised: 8 August 2025 / Accepted: 18 August 2025 / Published: 20 August 2025
Review Reports Versions Notes

Abstract

Hydrogen is emerging as a key energy vector for the transition toward renewable and sustainable energy sources. However, its safe and efficient storage remains a significant technical challenge in terms of cost, safety, and performance. In this study, we aimed to address the kinetic limitations of Mg by synthesizing catalyzed Mg@Ni systems using commercially available micrometric magnesium particles (~26 µm), which were decorated via electroless nickel plating under both aqueous and anhydrous conditions. Morphological and compositional characterization was carried out using SEM, EDS, and XRD. The resulting materials were evaluated through Temperature-Programmed Desorption (TPD), DSC, and isothermal hydrogen absorption/desorption kinetics. Reversibility over multiple absorption–desorption cycles was also investigated. The synthesized Mg@NiB system shows a reduction of 37 °C in the hydrogen release activation temperature at atmospheric pressure and a decrease of 167.3 °C under high vacuum conditions (4.5 × 10−7 MPa), in addition to a reversible hydrogen absorption/desorption capacity of 3.5 ± 0.09 wt.%. Additionally, the apparent activation energy for hydrogen desorption was lower (161.7 ± 21.7 kJ/mol) than that of hydrogenated commercial pure magnesium and was comparable to that of milling MgH2 systems. This research is expected to contribute to the development of efficient and low-cost processing routes for large-scale Mg catalysis.
Keywords: magnesium hydride; Ni electroless coating; hydrogen storage; anhydrous electroless nickel bath magnesium hydride; Ni electroless coating; hydrogen storage; anhydrous electroless nickel bath

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MDPI and ACS Style

Bello, S.; Aguirre Ocampo, R.; Arias Velandia, J.; Zuleta Gil, A.; Correa, E.; Silva, W.; Lenis Rodas, J.A.; Arrieta, C.; Bolívar, F.; Nieto, C.; et al. Electroless Nickel Plating of Magnesium Particles for Hydrogen Storage. Appl. Nano 2025, 6, 16. https://doi.org/10.3390/applnano6030016

AMA Style

Bello S, Aguirre Ocampo R, Arias Velandia J, Zuleta Gil A, Correa E, Silva W, Lenis Rodas JA, Arrieta C, Bolívar F, Nieto C, et al. Electroless Nickel Plating of Magnesium Particles for Hydrogen Storage. Applied Nano. 2025; 6(3):16. https://doi.org/10.3390/applnano6030016

Chicago/Turabian Style

Bello, Sindy, Robinson Aguirre Ocampo, Julián Arias Velandia, Alejandro Zuleta Gil, Esteban Correa, Wilber Silva, Julián Andrés Lenis Rodas, Carlos Arrieta, Francisco Bolívar, Cesar Nieto, and et al. 2025. "Electroless Nickel Plating of Magnesium Particles for Hydrogen Storage" Applied Nano 6, no. 3: 16. https://doi.org/10.3390/applnano6030016

APA Style

Bello, S., Aguirre Ocampo, R., Arias Velandia, J., Zuleta Gil, A., Correa, E., Silva, W., Lenis Rodas, J. A., Arrieta, C., Bolívar, F., Nieto, C., & Echeverria, F. (2025). Electroless Nickel Plating of Magnesium Particles for Hydrogen Storage. Applied Nano, 6(3), 16. https://doi.org/10.3390/applnano6030016

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