Li2MnNi3O8

Li2MnNi3O8 is a semiconducting layered oxide material composed of lithium, manganese, nickel, and oxygen, primarily investigated for its potential use in battery cathode technology.

Crystal structure of Li2MnNi3O8 (triclinic, P1 (No. 1))
Ground-state structure · Materials Project
Overview

About Li2MnNi3O8

Li2MnNi3O8 belongs to the class of layered lithium transition-metal oxides, characterized by its semiconducting electronic nature. As a near-hull phase, it is considered a promising candidate for experimental synthesis and structural investigation within energy storage research.

This compound is primarily studied for its utility in electrochemical applications. Its structural arrangement of lithium, manganese, nickel, and oxygen atoms makes it a subject of interest for developing high-capacity cathode materials in next-generation rechargeable batteries.

At a glance

Key Properties

Cross-validated computational properties for Li2MnNi3O8, aggregated across 4 databases.

Band Gap

0.21 eV
Range across DFT structures

Energy Above Hull

0.013 eV/atom
Best (lowest) across sources

Stability

Near hull (likely stable)
3 DFT sources

Structures

16
4 databases, 4 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for Li2MnNi3O8, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P1 (No. 1)triclinic0.210.0130-6.4424.53
R-3m (No. 166)trigonal0.000.0210-6.4344.53
C2/m (No. 12)monoclinic0.000.0510-6.4044.47
P-1 (No. 2)triclinic0.000.0568-6.3984.48
P-1 (No. 2)triclinic0.003.1769-3.2784.48
C2/m (No. 12)Monoclinic4.47
C2/m (No. 12)Monoclinic4.76
C2/m (No. 12)Monoclinic4.62
R-3m (No. 166)Trigonal4.53
R-3m (No. 166)Trigonal4.89
P-1 (No. 2)Triclinic4.48
P-1 (No. 2)Triclinic4.60
Uses

Applications

Where Li2MnNi3O8 is used.

Lithium-ion battery cathodesEnergy storage researchElectrochemical material development
Reference

Frequently Asked Questions

Common questions about Li2MnNi3O8, answered from cross-validated data.

What is Li2MnNi3O8?

Li2MnNi3O8 is a semiconducting layered oxide material composed of lithium, manganese, nickel, and oxygen, primarily investigated for its potential use in battery cathode technology.

More questions
What is Li2MnNi3O8 used for?
Li2MnNi3O8 is used in lithium-ion battery cathodes, energy storage research, and electrochemical material development.
What is the band gap of Li2MnNi3O8?
Li2MnNi3O8 has a DFT-computed band gap of 0.21 eV across 16 reported structures.
Is Li2MnNi3O8 a metal, semiconductor, or insulator?
With a band gap up to 0.21 eV it is a semiconductor.
Is Li2MnNi3O8 thermodynamically stable?
Li2MnNi3O8 has a lowest energy above hull of 0.013 eV/atom (near hull (likely stable)).
What is the crystal structure of Li2MnNi3O8?
The lowest-energy reported polymorph of Li2MnNi3O8 is triclinic symmetry, space group P1 (No. 1).
What is the density of Li2MnNi3O8?
The computed density of the ground-state structure of Li2MnNi3O8 is 4.53 g/cm³.
How many polymorphs of Li2MnNi3O8 are known?
16 structures of Li2MnNi3O8 are reported across 4 databases, spanning 4 distinct space groups.
What elements does Li2MnNi3O8 contain?
Li2MnNi3O8 contains Li, Mn, Ni, and O (4 elements).
Where does the data for Li2MnNi3O8 come from?
Li2MnNi3O8 data is cross-referenced from materials_project, mpaloe, jarvis, omat24.
Comparison

How It Compares

Within the layered lithium transition-metal oxides class.

Within the diverse family of layered lithium transition-metal oxides, Li2MnNi3O8 occupies a unique niche compared to more common commercial materials like LiCoO2 or LiNiO2. While LiNiO2 is widely utilized for its high energy density, Li2MnNi3O8 offers a distinct compositional balance of manganese and nickel that may provide alternative electrochemical pathways and structural stability profiles during cycling.

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.
  • jarvis — Data from JARVIS (NIST). Cite: Choudhary et al., npj Comp. Mater. 6, 173 (2020).
  • omat24 — Data from OMat24 (Meta FAIR). Cite: Barroso-Luque et al., arXiv 2410.12771 (2024).

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