LiFeF4 is a lithium iron fluoride compound that belongs to the metal fluoride family, primarily investigated as a cathode material and solid-state electrolyte component for advanced battery systems. This is a research-stage material rather than a commercially established engineering material; it is studied for next-generation lithium-ion and solid-state battery architectures where its ionic conductivity and electrochemical stability could enable higher energy density and improved thermal safety compared to conventional oxide cathodes. The material's potential lies in reducing dendrite formation and extending cycle life in high-performance energy storage applications.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 51.54 | GPa | — | ||
Exfoliation Energy(Eexf) | 124.6 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.3700 | - | — | ||
Shear Modulus(G) | 16.45 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.973 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.316 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 8.900 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 10.00 | µB | — | ||
Seebeck Coefficient(S) | -477.8 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.06940 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.505 | eV/atom | — |