MgNiH2 is a magnesium-nickel hydride intermetallic compound that belongs to the metal hydride family, which are materials capable of reversibly absorbing and releasing hydrogen. This compound is primarily of research interest rather than established commercial production, with applications centered on hydrogen storage and energy conversion technologies where reversible hydrogenation is advantageous. Engineers consider metal hydrides like MgNiH2 for next-generation energy systems because they offer potential advantages in hydrogen density and thermal management compared to conventional storage methods, though practical engineering adoption depends on optimizing kinetics, cycling stability, and cost-effectiveness.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 15,469.7 | ksi | — | ||
Poisson's Ratio(ν) | 0.2900 | - | — | ||
Shear Modulus(G) | 7,392.6 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1491 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -6.003 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.05030 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.2000 | eV/atom | — |