Li3FeCo3O8
Li3FeCo3O8 is a semiconducting, metastable layered lithium transition-metal oxide used in advanced materials research for energy storage applications.
About Li3FeCo3O8
Li3FeCo3O8 is a complex layered lithium transition-metal oxide that exhibits semiconducting electronic behavior. As a metastable phase, it represents a unique structural arrangement within the broader family of lithium-based oxides, offering researchers a distinct platform for investigating ion mobility and electronic transport in multi-metal systems.
This material is of significant interest in the field of advanced energy storage, where the interplay between iron and cobalt in a lithium-rich oxide framework is studied for potential electrochemical applications. Its structural complexity and metastable nature make it a compelling subject for computational and experimental studies aimed at optimizing cathode materials.
Key Properties
Cross-validated computational properties for Li3FeCo3O8, 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 Li3FeCo3O8, 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. |
|---|---|---|---|---|---|
| C2/m (No. 12) | monoclinic | 0.16 | 0.0530 | -6.649 | 4.38 |
| R-3m (No. 166) | trigonal | 0.00 | 0.1201 | -6.582 | 4.29 |
| C2/m (No. 12) | Monoclinic | — | — | — | 4.38 |
| C2/m (No. 12) | Monoclinic | — | — | — | 5.21 |
| R-3m (No. 166) | Trigonal | — | — | — | 4.88 |
| R-3m (No. 166) | Trigonal | — | — | — | 5.41 |
| R-3m (No. 166) | Trigonal | — | — | — | 4.29 |
| C2/m (No. 12) | Monoclinic | — | — | — | 4.92 |
| C2/m (No. 12) | — | — | — | — | — |
| R-3m (No. 166) | — | — | — | — | — |
Applications
Where Li3FeCo3O8 is used.
Frequently Asked Questions
Common questions about Li3FeCo3O8, answered from cross-validated data.
What is Li3FeCo3O8?
Li3FeCo3O8 is a semiconducting, metastable layered lithium transition-metal oxide used in advanced materials research for energy storage applications.
What is Li3FeCo3O8 used for?
What is the band gap of Li3FeCo3O8?
Is Li3FeCo3O8 a metal, semiconductor, or insulator?
Is Li3FeCo3O8 thermodynamically stable?
What is the crystal structure of Li3FeCo3O8?
What is the density of Li3FeCo3O8?
How many polymorphs of Li3FeCo3O8 are known?
What elements does Li3FeCo3O8 contain?
Where does the data for Li3FeCo3O8 come from?
How It Compares
Within the layered lithium transition-metal oxides class.
Within the diverse class of layered lithium transition-metal oxides, Li3FeCo3O8 occupies a specialized niche compared to more conventional, highly stable materials like LiCoO2 or LiNiO2. While many of its siblings are widely utilized as commercial battery cathodes, this compound is distinguished by its metastable state and mixed-metal composition, positioning it as an exploratory candidate for next-generation energy storage rather than a standard commodity material.
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).
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