Sr2Si

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

Crystal structure of Sr2Si
Ground-state structure · Materials Project
Overview

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.

At a glance

Key Properties

Cross-validated computational properties for Sr2Si, aggregated across 4 databases.

Band Gap

0.34 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

24
4 databases, 10 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Sr2Si.

Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Sol Gel
Procedure available · ceder_sol_gel
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where Sr2Si is used.

Lithium-ion battery anode researchEnergy storage material developmentSemiconductor device studies
Reference

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.

More questions
What is Sr2Si used for?
Sr2Si is used in lithium-ion battery anode research, energy storage material development, and semiconductor device studies.
What is the band gap of Sr2Si?
Sr2Si has a DFT-computed band gap of 0.34 eV across 24 reported structures.
Is Sr2Si a metal, semiconductor, or insulator?
With a band gap up to 0.34 eV it is a semiconductor.
Is Sr2Si thermodynamically stable?
Yes — Sr2Si sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Sr2Si are known?
24 structures of Sr2Si are reported across 4 databases, spanning 10 distinct space groups.
How is Sr2Si synthesized?
Literature-reported routes for Sr2Si include sol gel, solid state (10 procedures documented).
What elements does Sr2Si contain?
Sr2Si contains Si and Sr (2 elements).
Where does the data for Sr2Si come from?
Sr2Si data is cross-referenced from latticegraph.
Comparison

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.

Explore

Related Compounds

Other Silicon Anode Materials in the database.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

Analyze Sr2Si in the Lattice Graph platform

Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.

Explore the Platform →