Li3VS4 is a lithium vanadium sulfide compound being investigated as a solid-state electrolyte and electrode material for next-generation battery systems. This material belongs to the thiophosphate family of solid electrolytes, which are candidates for replacing conventional liquid electrolytes in lithium-ion and lithium-metal batteries due to their potential for higher energy density, improved safety, and enhanced cycle life. While still in the research and development phase, Li3VS4 is notable for its ionic conductivity in the solid state and compatibility with lithium metal anodes—making it relevant to engineers designing advanced energy storage systems where conventional liquid electrolytes present thermal or dendrite-formation risks.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 13.57 | GPa | — | ||
Poisson's Ratio(ν) | 0.3000 | - | — | ||
Shear Modulus(G) | 8.080 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 1.661 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.821 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 4.150 | - | — | ||
| ↳ | 4.204 | - | — | ||
| ↳ | 3.711 range 3.238–4.184median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Piezoelectric Modulus(eij)2 entries | 0.04087 | C/m² | — | ||
| ↳ | 0.07626 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -370.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.02660 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.196 | eV/atom | — |