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This is a Experimental study (also classified as: Density Functional Theory).

September 5, 2025RSC AdvancesOpen Access

Tailoring hydrogen storage performance of Mg-Mg2Ni alloys: synergistic effects of composition and phase formation with first-principles insights

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Authors

DLDuy Van Lai SNSon Hoang Nguyen HNHoang Anh Nguyen

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Overview

Experimental and computational analysis reveals hydrogen absorption advantages in Mg-Mg2Ni alloys, highlighting key thermodynamic and kinetic performance metrics.

Key Points

The Mg-25Ni alloy demonstrated superior hydrogen storage capacity of 3.76 wt%, outperforming Mg-33Ni at 3.53 wt%.
Density functional theory revealed that hydrogen absorption is thermodynamically favorable in Mg2Ni compared to pure Mg.
Kinetic analysis showed a lower activation energy of 56.74 kJ mol-1 for Mg-25Ni, confirming its faster desorption kinetics.
This alloy exhibited excellent cyclic stability with minimal capacity loss over 10 cycles, making it promising for reversible hydrogen storage.

Cite This Study

Lai et al. (2025) studied this question.

synapsesocial.com/papers/68bb49d26d6d5674bccfff6d https://doi.org/10.1039/d5ra04356e

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September 5, 2025RSC AdvancesOpen Access

Tailoring hydrogen storage performance of Mg-Mg2Ni alloys: synergistic effects of composition and phase formation with first-principles insights

View Full Paper

Ask AI

Bookmark

Authors

DLDuy Van Lai SNSon Hoang Nguyen HNHoang Anh Nguyen

Discussion

Member takes

Overview

Experimental and computational analysis reveals hydrogen absorption advantages in Mg-Mg2Ni alloys, highlighting key thermodynamic and kinetic performance metrics.

Key Points

The Mg-25Ni alloy demonstrated superior hydrogen storage capacity of 3.76 wt%, outperforming Mg-33Ni at 3.53 wt%.
Density functional theory revealed that hydrogen absorption is thermodynamically favorable in Mg2Ni compared to pure Mg.
Kinetic analysis showed a lower activation energy of 56.74 kJ mol-1 for Mg-25Ni, confirming its faster desorption kinetics.
This alloy exhibited excellent cyclic stability with minimal capacity loss over 10 cycles, making it promising for reversible hydrogen storage.

Cite This Study

Lai et al. (2025) studied this question.

synapsesocial.com/papers/68bb49d26d6d5674bccfff6d https://doi.org/10.1039/d5ra04356e

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