SiH2
SiH2 is a metastable, insulating silicon-hydrogen compound studied for its potential applications in high-performance battery anode technology.
About SiH2
SiH2 is a metastable silicon-based compound that functions as a wide-band-gap insulator. Its unique electronic structure makes it an intriguing subject for research within the broader category of silicon anode materials, where structural stability and electronic behavior are critical for performance.
This material is primarily investigated for its role in advanced energy storage systems. By exploring its metastable nature, researchers aim to understand how silicon-hydrogen frameworks can be leveraged to improve the efficiency and longevity of next-generation battery anodes.
Key Properties
Cross-validated computational properties for SiH2, aggregated across 2 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.
Applications
Where SiH2 is used.
Frequently Asked Questions
Common questions about SiH2, answered from cross-validated data.
What is SiH2?
SiH2 is a metastable, insulating silicon-hydrogen compound studied for its potential applications in high-performance battery anode technology.
What is SiH2 used for?
What is the band gap of SiH2?
Is SiH2 a metal, semiconductor, or insulator?
Is SiH2 thermodynamically stable?
How many polymorphs of SiH2 are known?
What elements does SiH2 contain?
Where does the data for SiH2 come from?
How It Compares
Within the silicon anode materials class.
Unlike the metallic or semi-metallic nature of siblings such as FeSi or MoSi2, SiH2 is characterized by its insulating electronic behavior. While elemental silicon serves as the standard benchmark for anode materials, SiH2 represents a more complex, hydrogenated structural variant that offers distinct pathways for tuning electrochemical properties compared to more traditional silicides like Mg2Si or BaSi2.
Related Compounds
Other Silicon Anode Materials in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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