Comparative study of solid-solution treatment and hot-extrusion on hydrogen storage performance for Mg96Y2Zn2 alloy: The nonnegligible role of elements distribution

Insights into an Amorphous NiCoB Nanoparticle-Catalyzed MgH2 System for Hydrogen Storage

“…9−11 Unfortunately, the sluggish kinetics and poor thermodynamic stability pose a critical challenge to its further application. 12,13 Experimental results confirmed that these drawbacks could be addressed using strategies like nanosizing, 14,15 alloying, 16,17 and doping catalysts. 18−20 In terms of the catalyst design, it has been shown that the sluggish kinetics can be to some extent improved by the introduction of transition metals, 21−23 intermetallic compounds, 24,25 and carbon materials.…”

“…Hydrogen energy with high mass-energy density and non-pollution combustion products is conducive to liberate the energy dependence on fossil fuels and provide creativity for green energy development. , Hydrogen storage technology occupies an important position in the hydrogen energy industry. , The current hydrogen storage methods are mainly divided into high-pressure gaseous storage, hypothermal liquid storage, and solid-state storage. , Among them, storing hydrogen in solid-state materials allows operation at moderate pressures and temperatures with high hydrogen capacity. , For instance, MgH 2 as a representative metal hydride provides cracking features such as high storage capacity (7.6 wt %), high energy density (9 MJ/kg), superior reversibility, and low cost. − Unfortunately, the sluggish kinetics and poor thermodynamic stability pose a critical challenge to its further application. , Experimental results confirmed that these drawbacks could be addressed using strategies like nanosizing, , alloying, , and doping catalysts. − In terms of the catalyst design, it has been shown that the sluggish kinetics can be to some extent improved by the introduction of transition metals, − intermetallic compounds, , and carbon materials. − …”