Li5Co3O8
Li5Co3O8 is a metastable semiconducting oxide containing lithium, cobalt, and oxygen that is primarily studied for its potential roles in advanced battery technologies.
About Li5Co3O8
Li5Co3O8 is a semiconducting lithium transition-metal oxide that belongs to a complex family of materials often investigated for electrochemical energy storage. As a metastable phase, it represents a unique structural arrangement within the lithium-cobalt-oxygen system, offering researchers insights into the coordination environments of cobalt ions in lithium-rich environments.
Its significance lies in its potential as a model system for understanding ion transport and structural evolution in battery cathodes. Because of its metastable nature, it is frequently studied to determine how synthesis conditions influence its long-term stability and electronic behavior in practical applications.
Key Properties
Cross-validated computational properties for Li5Co3O8, aggregated across 3 databases.
Band GapEnergy needed to move an electron from the valence band to the conduction band. Lower or zero values tend to behave more metallic; larger gaps are more insulating or semiconducting.
Energy Above HullThermodynamic distance from the most stable set of competing phases. 0 eV/atom is on the convex hull; small positive values may still be experimentally accessible.
StabilityA plain-language summary of the best reported energy-above-hull result. It reflects whether the lowest-energy structure is on, near, or far from the stability hull.
StructuresCount of reported calculated crystal structures for this formula, including alternate polymorphs, source databases, and observed space groups.
Reported Structures
Lowest-energy structures reported for Li5Co3O8, ranked by energy above hull.
| Space GroupSymmetry classification of the crystal arrangement. The number is the international space-group index. | Crystal SystemBroad lattice family, such as cubic, tetragonal, monoclinic, or triclinic, derived from unit-cell symmetry. | Band Gap (eV)Electronic gap calculated for this specific reported structure, measured in electronvolts. | E above hull (eV/atom)Thermodynamic distance from the convex hull for this structure, normalized per atom. Lower is generally more stable. | E/atom (eV)Computed total energy normalized per atom. Use energy above hull, not this value alone, when comparing stability. | Density (g/cm³)Mass per relaxed crystal volume, reported in grams per cubic centimeter. |
|---|---|---|---|---|---|
| P2/m (No. 10) | monoclinic | 0.00 | 0.0399 | -6.137 | 4.06 |
| C2/m (No. 12) | monoclinic | 0.00 | 0.0413 | -6.136 | 4.06 |
| P-1 (No. 2) | triclinic | 0.27 | 0.0422 | -6.135 | 4.08 |
| P-1 (No. 2) | triclinic | 0.00 | 0.0541 | -6.123 | 4.27 |
| R-3m (No. 166) | trigonal | 0.00 | 0.0672 | -6.110 | 4.04 |
| P-1 (No. 2) | triclinic | 0.14 | 0.0755 | -6.102 | 3.99 |
| C2/m (No. 12) | monoclinic | 0.00 | 0.0852 | -6.092 | 4.11 |
| P2/m (No. 10) | monoclinic | 0.09 | 0.0860 | -6.091 | 4.47 |
| P-1 (No. 2) | triclinic | 0.37 | 0.0948 | -6.082 | 3.97 |
| C2/m (No. 12) | monoclinic | 0.13 | 0.0952 | -6.082 | 4.00 |
| P-1 (No. 2) | triclinic | 0.34 | 0.0961 | -6.081 | 3.99 |
| P-1 (No. 2) | triclinic | 0.28 | 0.0966 | -6.081 | 4.01 |
Applications
Where Li5Co3O8 is used.
Frequently Asked Questions
Common questions about Li5Co3O8, answered from cross-validated data.
What is Li5Co3O8?
Li5Co3O8 is a metastable semiconducting oxide containing lithium, cobalt, and oxygen that is primarily studied for its potential roles in advanced battery technologies.
What is Li5Co3O8 used for?
What is the band gap of Li5Co3O8?
Is Li5Co3O8 a metal, semiconductor, or insulator?
Is Li5Co3O8 thermodynamically stable?
What is the crystal structure of Li5Co3O8?
What is the density of Li5Co3O8?
How many polymorphs of Li5Co3O8 are known?
What elements does Li5Co3O8 contain?
Where does the data for Li5Co3O8 come from?
How It Compares
Within the layered lithium transition-metal oxides class.
Within the broad class of layered lithium transition-metal oxides, Li5Co3O8 occupies a distinct position compared to more common commercial materials like LiCoO2. While LiCoO2 is a highly stable, widely utilized cathode material, Li5Co3O8 is characterized by its metastability and unique stoichiometry, making it a subject of fundamental research rather than current large-scale industrial implementation.
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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