Li2BeF4

ceramic
· Li2BeF4

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.

molten salt reactor fuelssolid-state battery electrolyteshigh-temperature ionic conductorsnuclear fuel systemsresearch-phase energy storage

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Seebeck Coefficient(S)
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)2 entries
eV/atom
eV/atom
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.