LiI
Lithium iodide · LiI
Lithium iodide is a stable, insulating salt widely used in electrochemical devices and chemical synthesis.
About Lithium iodide
Lithium iodide is a robust, thermodynamically stable inorganic compound characterized by its insulating electronic nature. As a wide-band-gap material, it serves as a foundational component in various electrochemical systems where stable ionic conductivity is required. Its structural reliability makes it a subject of extensive research across multiple crystallographic databases. The compound is primarily utilized in specialized battery technologies and as a reagent in organic synthesis, benefiting from its unique chemical reactivity and stability profile. Its ability to maintain structural integrity under diverse conditions underscores its importance in high-performance material science applications.
Key Properties
Cross-validated computational properties for Lithium iodide, aggregated across 4 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Synthesis Routes
Literature-extracted synthesis procedures targeting LiI.
Applications
Where Lithium iodide is used.
Patent Landscape
1 patent reference LiI or close compositional variants.
| Patent | Title | Assignee | Granted |
|---|---|---|---|
| 7722988 | All-temperature LiFeS2 battery with ether and low concentration LiI electrolyte | — | — |
Frequently Asked Questions
Common questions about Lithium iodide, answered from cross-validated data.
What is LiI?
Lithium iodide is a stable, insulating salt widely used in electrochemical devices and chemical synthesis.
What is LiI used for?
What is the band gap of LiI?
Is LiI a metal, semiconductor, or insulator?
Is LiI thermodynamically stable?
How many polymorphs of LiI are known?
How is LiI synthesized?
What elements does LiI contain?
Where does the data for LiI come from?
How It Compares
As a standalone material in this context, lithium iodide represents a benchmark for stable, wide-band-gap halides. It serves as a vital reference point for understanding the fundamental behavior of lithium-based ionic conductors, providing a clear model for how electronic insulation and structural stability can be balanced in simple salt systems.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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