Li2MnSiO5
Li2MnSiO5 is a metastable, semiconducting lithium manganese silicate oxide studied for its potential utility in advanced electrochemical energy storage applications.
About Li2MnSiO5
Li2MnSiO5 is a semiconducting member of the spinel lithium manganese oxide family. As a metastable phase, it represents a complex arrangement of lithium, manganese, silicon, and oxygen atoms that offers unique pathways for ion mobility in solid-state systems. Its structural configuration is of significant interest for researchers investigating high-capacity cathode materials for next-generation batteries.
The compound is characterized by its distinct electronic properties and structural flexibility, which distinguish it from more common oxide frameworks. Its role in materials science is defined by its potential to support stable electrochemical cycling, making it a subject of ongoing investigation within the broader landscape of lithium-based energy storage materials.
Key Properties
Cross-validated computational properties for Li2MnSiO5, aggregated across 3 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.
Reported Structures
Lowest-energy structures reported for Li2MnSiO5, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P4/nmm (No. 129) | tetragonal | 0.56 | 0.0900 | -7.253 | 3.21 |
| P4/nmm (No. 129) | Tetragonal | — | — | — | 3.21 |
| P4/nmm (No. 129) | Tetragonal | — | — | — | 3.47 |
| P4/nmm (No. 129) | Tetragonal | — | — | — | 3.33 |
| P4/nmm (No. 129) | — | — | — | — | — |
Applications
Where Li2MnSiO5 is used.
Frequently Asked Questions
Common questions about Li2MnSiO5, answered from cross-validated data.
What is Li2MnSiO5?
Li2MnSiO5 is a metastable, semiconducting lithium manganese silicate oxide studied for its potential utility in advanced electrochemical energy storage applications.
What is Li2MnSiO5 used for?
What is the band gap of Li2MnSiO5?
Is Li2MnSiO5 a metal, semiconductor, or insulator?
Is Li2MnSiO5 thermodynamically stable?
What is the crystal structure of Li2MnSiO5?
What is the density of Li2MnSiO5?
How many polymorphs of Li2MnSiO5 are known?
What elements does Li2MnSiO5 contain?
Where does the data for Li2MnSiO5 come from?
How It Compares
Within the spinel lithium manganese oxides class.
Within the diverse group of spinel lithium manganese oxides, Li2MnSiO5 occupies a specialized niche compared to well-established materials like LiMn2O4. While LiMn2O4 is widely utilized for its robust performance in commercial batteries, Li2MnSiO5 represents a more complex, metastable variation that incorporates silicon into the lattice to potentially tune electrochemical behavior and structural stability in ways that simpler oxides like LiMnO2 or Li2MnO3 cannot.
Related Compounds
Other Spinel Lithium Manganese Oxides in the database.
Data sources & attribution
- materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
- mpaloe — Data from mpaloe.
- jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
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