Potassium aluminum hydride (KAlH₄) is an ionic metal hydride compound primarily investigated as a hydrogen storage material and chemical reducing agent in laboratory and industrial synthesis applications. This material belongs to the complex metal hydride family and is valued in materials research for its high hydrogen content and reactivity, though it remains largely experimental outside specialized chemical and energy storage research contexts. Engineers encounter KAlH₄ in hydrogen economy development, advanced manufacturing, and pharmaceutical/fine chemical synthesis where controlled reduction reactions are required.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 13.62 | GPa | — | ||
Poisson's Ratio(ν) | 0.2600 | - | — | ||
Shear Modulus(G) | 8.530 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 1.286 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 5.056 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -209.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.3098 | eV/atom | — |