LiI
ceramic· LiI
Lithium iodide (LiI) is an ionic ceramic compound belonging to the halide family, characterized by a simple rock-salt crystal structure with high ionic bonding. It is primarily used in solid-state electrolytes for lithium-ion batteries and as a precursor material in laboratory synthesis of advanced battery chemistries, where its ionic conductivity and chemical compatibility with lithium metal make it attractive for next-generation energy storage research. Engineers consider LiI when designing all-solid-state battery systems or studying lithium transport mechanisms, though it faces practical challenges including hygroscopicity and limited commercial deployment compared to oxide-based solid electrolytes.
solid-state battery electrolyteslithium-ion battery developmentionic conductor researchlaboratory synthesis precursorelectrochemistry studies
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 22.30 | GPa | — | ||
Poisson's Ratio(ν) | 0.2300 | - | — | ||
Shear Modulus(G) | 14.58 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.192 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 5.620 | eV | — | ||
| ↳ | 4.581 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 15.50 | - | — | ||
| ↳ | 9.122 range 4.349–13.89median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.1728 | C/m² | — | ||
| ↳ | 0.000 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -302.9 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04500 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -1.400 | eV/atom | — | ||
| ↳ | -1.289 | eV/atom | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.