K2LiMn2O4

K2LiMn2O4 is a complex, semiconducting layered oxide containing potassium, lithium, and manganese, primarily studied for its utility in electrochemical energy storage.

Crystal structure of K2LiMn2O4
Ground-state structure · Materials Project
Overview

About K2LiMn2O4

K2LiMn2O4 belongs to the class of layered lithium transition-metal oxides, characterized by a semiconducting electronic structure. As a metastable phase, it represents a complex arrangement of potassium, lithium, and manganese within an oxygen framework, offering unique pathways for ion mobility in solid-state systems. Its structural diversity is highlighted by multiple reported configurations across various databases, making it a subject of interest for fundamental materials research. This compound is primarily investigated for its potential role in advanced electrochemical energy storage applications, where structural stability and ion transport are critical. By leveraging its layered architecture, researchers aim to optimize performance in next-generation battery technologies that require efficient lithium-ion intercalation.

At a glance

Key Properties

Cross-validated computational properties for K2LiMn2O4, aggregated across 4 databases.

Band Gap

0.69–1.11 eV
Range across DFT structures

Energy Above Hull

0.092 eV/atom
Best (lowest) across sources

Stability

Metastable
3 DFT sources

Structures

9
4 databases, 4 space groups
Uses

Applications

Where K2LiMn2O4 is used.

Battery electrode researchSolid-state ionicsElectrochemical energy storage
Reference

Frequently Asked Questions

Common questions about K2LiMn2O4, answered from cross-validated data.

What is K2LiMn2O4?

K2LiMn2O4 is a complex, semiconducting layered oxide containing potassium, lithium, and manganese, primarily studied for its utility in electrochemical energy storage.

More questions
What is K2LiMn2O4 used for?
K2LiMn2O4 is used in battery electrode research, solid-state ionics, and electrochemical energy storage.
What is the band gap of K2LiMn2O4?
K2LiMn2O4 has a DFT-computed band gap of 0.69–1.11 eV across 9 reported structures.
Is K2LiMn2O4 a metal, semiconductor, or insulator?
With a band gap up to 1.11 eV it is a semiconductor.
Is K2LiMn2O4 thermodynamically stable?
K2LiMn2O4 has a lowest energy above hull of 0.092 eV/atom (metastable).
How many polymorphs of K2LiMn2O4 are known?
9 structures of K2LiMn2O4 are reported across 4 databases, spanning 4 distinct space groups.
What elements does K2LiMn2O4 contain?
K2LiMn2O4 contains K, Li, Mn, and O (4 elements).
Where does the data for K2LiMn2O4 come from?
K2LiMn2O4 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the layered lithium transition-metal oxides class.

Within the diverse family of layered lithium transition-metal oxides, K2LiMn2O4 occupies a distinct position compared to more conventional materials like LiCoO2 or LiMn2O4. While many of its siblings are widely utilized as standard cathode materials, K2LiMn2O4 is distinguished by its metastable nature and the inclusion of potassium, which differentiates its structural evolution and electrochemical behavior from the more thermodynamically stable members of the class.

Explore

Related Compounds

Other Layered Lithium Transition-Metal Oxides in the database.

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

Analyze K2LiMn2O4 in the Lattice Graph platform

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

Explore the Platform →