Li2CrO4

lithium chromate · lithium chromate(VI)

Lithium chromate is a stable, insulating lithium oxide compound frequently studied for its structural properties and role in inorganic chemical systems.

Crystal structure of Li2CrO4
Ground-state structure · Materials Project
Overview

About lithium chromate

Lithium chromate is a thermodynamically stable member of the lithium oxide family. Characterized by a wide band gap, this insulating material maintains structural integrity, making it a subject of significant interest in solid-state chemistry and materials science. Its structural diversity is highlighted by the numerous configurations documented across major research databases. This compound plays a critical role in understanding the fundamental interactions within lithium-based oxygen systems, contributing to the broader knowledge of ionic conductors and battery-related materials. Its stability on the convex hull underscores its importance as a reliable reference point for phase equilibrium studies.

At a glance

Key Properties

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

Band Gap

2.49–3.08 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

17
3 databases, 5 space groups
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Li2CrO4.

Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where lithium chromate is used.

Corrosion inhibitionChemical synthesisSolid-state electrolyte research
Reference

Frequently Asked Questions

Common questions about lithium chromate, answered from cross-validated data.

What is Li2CrO4?

Lithium chromate is a stable, insulating lithium oxide compound frequently studied for its structural properties and role in inorganic chemical systems.

More questions
What is Li2CrO4 used for?
lithium chromate (Li2CrO4) is used in corrosion inhibition, chemical synthesis, and solid-state electrolyte research.
What is the band gap of Li2CrO4?
lithium chromate (Li2CrO4) has a DFT-computed band gap of 2.49–3.08 eV across 17 reported structures.
Is Li2CrO4 a metal, semiconductor, or insulator?
With a wide band gap up to 3.08 eV it is an insulator / wide-band-gap material.
Is Li2CrO4 thermodynamically stable?
Yes — lithium chromate (Li2CrO4) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of Li2CrO4 are known?
17 structures of Li2CrO4 are reported across 3 databases, spanning 5 distinct space groups.
How is Li2CrO4 synthesized?
Literature-reported routes for Li2CrO4 include solid state.
What elements does Li2CrO4 contain?
lithium chromate (Li2CrO4) contains Cr, Li, and O (3 elements).
Where does the data for Li2CrO4 come from?
Li2CrO4 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the lithium oxides class.

While materials like LiCoO2 and LiMn2O4 are widely utilized as active cathode components in commercial energy storage due to their specific electrochemical properties, Li2CrO4 occupies a different niche within the lithium oxide class. Unlike the transition metal oxides often optimized for reversible lithium intercalation, Li2CrO4 is primarily recognized for its structural stability and insulating nature, distinguishing it from the more conductive or redox-active siblings such as LiNiO2 or LiV3O8.

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Related Compounds

Other Lithium Oxides in the database.

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

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