LiCoO2

Lithium cobalt oxide · LCO

Lithium cobalt oxide is a dark gray or black crystalline powder widely utilized as a cathode material in rechargeable batteries. It is highly valued for its ability to facilitate the efficient movement of lithium ions during charge and discharge cycles.

Crystal structure of LiCoO2 (monoclinic, P21 (No. 4))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Lithium cobalt oxide, aggregated across 3 databases.

Band Gap

0.09–2.01 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

62
3 databases, 20 space groups
Crystallography

Reported Structures

Lowest-energy structures reported for LiCoO2, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
P21 (No. 4)monoclinic0.670.0000-6.6454.34
R-3m (No. 166)trigonal0.660.0000-6.4805.12
Fd-3m (No. 227)cubic0.000.0006-6.4805.15
C2/m (No. 12)monoclinic0.000.0090-6.6674.21
R-3m (No. 166)trigonal0.000.0100-6.6834.11
C2/m (No. 12)monoclinic0.490.0133-6.6793.78
Cc (No. 9)monoclinic1.110.0157-6.6604.19
P2/m (No. 10)monoclinic1.180.0165-6.6763.78
P4332 (No. 212)cubic0.000.0173-6.6274.35
C2/m (No. 12)monoclinic1.040.0273-6.6493.87
Pmmn (No. 59)orthorhombic0.000.0287-6.6164.12
P2/m (No. 10)monoclinic0.000.0316-6.6134.28
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting LiCoO2.

Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Uses

Applications

Where Lithium cobalt oxide is used.

Lithium-ion batteriesPortable electronic devicesEnergy storage systems
Reference

Frequently Asked Questions

Common questions about Lithium cobalt oxide, answered from cross-validated data.

What is LiCoO2?

Lithium cobalt oxide is a dark gray or black crystalline powder widely utilized as a cathode material in rechargeable batteries. It is highly valued for its ability to facilitate the efficient movement of lithium ions during charge and discharge cycles.

More questions
What is LiCoO2 used for?
Lithium cobalt oxide (LiCoO2) is used in lithium-ion batteries, portable electronic devices, and energy storage systems.
What is the band gap of LiCoO2?
Lithium cobalt oxide (LiCoO2) has a DFT-computed band gap of 0.09–2.01 eV across 62 reported structures.
Is LiCoO2 a metal, semiconductor, or insulator?
With a band gap up to 2.01 eV it is a semiconductor.
Is LiCoO2 thermodynamically stable?
Yes — Lithium cobalt oxide (LiCoO2) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of LiCoO2?
The lowest-energy reported polymorph of Lithium cobalt oxide (LiCoO2) is monoclinic symmetry, space group P21 (No. 4).
What is the density of LiCoO2?
The computed density of the ground-state structure of Lithium cobalt oxide (LiCoO2) is 4.34 g/cm³.
How many polymorphs of LiCoO2 are known?
62 structures of LiCoO2 are reported across 3 databases, spanning 20 distinct space groups.
How is LiCoO2 synthesized?
Literature-reported routes for LiCoO2 include sol-gel (10 procedures documented).
What elements does LiCoO2 contain?
Lithium cobalt oxide (LiCoO2) contains Co, Li, and O (3 elements).
Where does the data for LiCoO2 come from?
LiCoO2 data is cross-referenced from materials_project.
Reading

Related Research

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).

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