Li₂BeF₄ is a lithium beryllium fluoride ceramic compound that functions as a solid electrolyte and optical material in specialized high-performance applications. This material is primarily investigated in research contexts for molten salt reactor fuels (as a component of flibe—fluoride lithium beryllium eutectic mixtures) and as a potential solid-state electrolyte for advanced lithium-ion battery systems, where its ionic conductivity and thermal stability are of interest. Engineers select this material class for applications requiring exceptional chemical inertness, high-temperature stability, and ionic transport properties in extreme environments where conventional polymeric or oxide electrolytes degrade.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.147 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 7.862 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -175.5 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -3.366 | eV/atom | — | ||
| ↳ | -3.299 | eV/atom | — |