Li4TiS4 is a lithium-titanium sulfide compound being investigated as a solid-state electrolyte material for advanced energy storage systems. This sulfide-based ionic conductor belongs to the family of thiophosphate and sulfide electrolytes, which are attracting significant research interest as alternatives to conventional liquid electrolytes due to their potential for higher ionic conductivity and improved chemical stability. Engineers consider this material primarily for next-generation solid-state battery development, where it could enable higher energy density, improved safety, and extended cycle life compared to traditional lithium-ion architectures.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 29.50 | GPa | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G) | 15.66 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 1.868 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.358 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 6.759 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.00289 | C/m² | — | ||
| ↳ | 0.05574 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -276.7 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.03920 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.451 | eV/atom | — |