Sr2Si
Sr2Si is a stable semiconducting silicide compound utilized in the development of advanced silicon-based anode materials for energy storage.

About Sr2Si
Sr2Si is a semiconducting intermetallic compound that occupies a stable position on the convex hull, indicating its robust thermodynamic nature. As a member of the silicon anode materials class, it is a subject of significant interest for its potential to improve the electrochemical performance and structural integrity of battery electrodes.
This material is frequently studied for its role in advanced energy storage systems where silicon-based architectures are required to overcome traditional capacity limitations. Its structural stability makes it a reliable candidate for investigating the fundamental mechanisms of lithiation and delithiation in high-energy density applications.
Key Properties
Cross-validated computational properties for Sr2Si, 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 Sr2Si.
Applications
Where Sr2Si is used.
Frequently Asked Questions
Common questions about Sr2Si, answered from cross-validated data.
What is Sr2Si?
Sr2Si is a stable semiconducting silicide compound utilized in the development of advanced silicon-based anode materials for energy storage.
What is Sr2Si used for?
What is the band gap of Sr2Si?
Is Sr2Si a metal, semiconductor, or insulator?
Is Sr2Si thermodynamically stable?
How many polymorphs of Sr2Si are known?
How is Sr2Si synthesized?
What elements does Sr2Si contain?
Where does the data for Sr2Si come from?
How It Compares
Within the silicon anode materials class.
Within the diverse family of silicon anode materials, Sr2Si distinguishes itself from more common silicides like Mg2Si or the elemental Si semiconductor by its unique alkaline-earth composition. While materials like MoSi2 or FeSi are often explored for their refractory or metallic properties, Sr2Si is specifically evaluated for its potential to buffer the volume expansion challenges inherent in silicon-based battery anodes.
Related Compounds
Other Silicon Anode Materials in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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