Li2WS4 is a lithium tungsten sulfide compound belonging to the family of layered metal chalcogenides, which are materials with sheet-like crystal structures that can be exfoliated into thin layers. This is primarily a research material under investigation for energy storage and nanoelectronics applications, rather than an established commercial compound. The material is of interest to the battery and materials science communities because layered tungsten sulfides show potential for improved ionic conductivity and electrochemical performance in lithium-ion systems, positioning it as a candidate for next-generation solid-state electrolytes and high-performance cathode materials.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 12.22 | GPa | — | ||
Exfoliation Energy(Eexf) | 87.98 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.2900 | - | — | ||
Shear Modulus(G) | 7.690 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.938 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.318 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 4.500 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.2591 | C/m² | — | ||
| ↳ | 0.01881 range 0.00840–0.02921median of 2 measurements | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -453.5 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1569 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.9245 | eV/atom | — |