Li₂I is an ionic ceramic compound composed of lithium and iodine, belonging to the family of lithium halides. This material is primarily of research interest for solid-state battery applications, where it serves as a potential solid electrolyte or electrolyte component, leveraging lithium's high ionic mobility and iodine's electrochemical stability. Li₂I and related lithium halide ceramics are being investigated as alternatives to conventional liquid electrolytes in next-generation energy storage, offering potential advantages in thermal stability, safety, and energy density—though materials in this class remain largely in development phases outside specialized laboratory and industrial battery research settings.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 1,270.5 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.4800 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 314.7 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.07536 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.3910 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.4984 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data