Li3Mn2O5

Li3Mn2O5 is a semiconducting lithium transition-metal oxide being studied for its potential as a functional material in advanced battery technologies.

Crystal structure of Li3Mn2O5 (triclinic, P-1 (No. 2))
Ground-state structure · Materials Project
Overview

About Li3Mn2O5

Li3Mn2O5 belongs to the class of layered lithium transition-metal oxides, a family of materials critical for modern electrochemical energy storage. This compound exhibits semiconducting electronic properties and is recognized for being near the thermodynamic hull, suggesting it is a viable candidate for experimental synthesis and characterization.

As a material of significant interest, its structural complexity is evidenced by numerous reported configurations across major materials databases. Its potential utility stems from the interplay between lithium mobility and the redox activity of the manganese centers within the layered framework.

At a glance

Key Properties

Cross-validated computational properties for Li3Mn2O5, aggregated across 3 databases.

Band Gap

0.27–1.41 eV
Range across DFT structures

Energy Above Hull

0.022 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
2 DFT sources

Structures

35
3 databases, 3 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Li3Mn2O5, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P-1 (No. 2)triclinic1.000.0216-7.0293.87
P-1 (No. 2)triclinic0.940.0227-7.0283.86
C2/m (No. 12)monoclinic1.410.0228-7.0283.87
P-1 (No. 2)triclinic0.960.0462-7.0053.80
C2/m (No. 12)monoclinic1.000.0480-7.0033.84
P-1 (No. 2)triclinic0.940.0502-7.0013.81
C2/m (No. 12)monoclinic1.060.0512-7.0003.80
C2/m (No. 12)monoclinic1.180.0533-6.9983.83
P-1 (No. 2)triclinic1.370.0538-6.9973.85
C2/m (No. 12)monoclinic1.170.0541-6.9973.84
P-1 (No. 2)triclinic0.820.0581-6.9933.85
P-1 (No. 2)triclinic0.670.0590-6.9923.84
Uses

Applications

Where Li3Mn2O5 is used.

Lithium-ion battery cathode researchEnergy storage material development
Reference

Frequently Asked Questions

Common questions about Li3Mn2O5, answered from cross-validated data.

What is Li3Mn2O5?

Li3Mn2O5 is a semiconducting lithium transition-metal oxide being studied for its potential as a functional material in advanced battery technologies.

More questions
What is Li3Mn2O5 used for?
Li3Mn2O5 is used in lithium-ion battery cathode research and energy storage material development.
What is the band gap of Li3Mn2O5?
Li3Mn2O5 has a DFT-computed band gap of 0.27–1.41 eV across 35 reported structures.
Is Li3Mn2O5 a metal, semiconductor, or insulator?
With a band gap up to 1.41 eV it is a semiconductor.
Is Li3Mn2O5 thermodynamically stable?
Li3Mn2O5 has a lowest energy above hull of 0.022 eV/atom (near hull (likely stable)).
What is the crystal structure of Li3Mn2O5?
The lowest-energy reported polymorph of Li3Mn2O5 is triclinic symmetry, space group P-1 (No. 2).
What is the density of Li3Mn2O5?
The computed density of the ground-state structure of Li3Mn2O5 is 3.87 g/cm³.
How many polymorphs of Li3Mn2O5 are known?
35 structures of Li3Mn2O5 are reported across 3 databases, spanning 3 distinct space groups.
What elements does Li3Mn2O5 contain?
Li3Mn2O5 contains Li, Mn, and O (3 elements).
Where does the data for Li3Mn2O5 come from?
Li3Mn2O5 data is cross-referenced from materials_project, mpaloe.
Comparison

How It Compares

Within the layered lithium transition-metal oxides class.

Within the diverse landscape of layered lithium transition-metal oxides, Li3Mn2O5 occupies a unique position compared to more established commercial cathodes like LiCoO2 or LiMn2O4. While LiCoO2 is the industry standard for stability and performance, Li3Mn2O5 offers a distinct manganese-rich stoichiometry that differentiates it from the structural behavior of Li2MnO3 or LiMnO2, providing researchers with a different pathway to tune electrochemical performance.

Explore

Related Compounds

Other Layered Lithium Transition-Metal 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.

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