Li4Fe3CoO8
Li4Fe3CoO8 is a semiconducting lithium transition-metal oxide that is potentially synthesizable for use in energy storage research.
About Li4Fe3CoO8
Li4Fe3CoO8 belongs to the class of layered lithium transition-metal oxides, exhibiting semiconducting electronic characteristics. Its structural arrangement is typical of materials designed for ion mobility, making it a subject of interest for researchers exploring next-generation battery cathodes.
As a near-hull material, it is considered thermodynamically stable enough to be a target for laboratory synthesis. The compound has been identified across multiple structural databases, underscoring its potential relevance in the ongoing search for high-performance electrode materials.
Key Properties
Cross-validated computational properties for Li4Fe3CoO8, 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 Li4Fe3CoO8, 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 | 1.80 | 0.0117 | -6.869 | 4.33 |
| R-3m (No. 166) | trigonal | 1.66 | 0.0163 | -6.864 | 4.34 |
| C2/m (No. 12) | monoclinic | 0.25 | 0.0265 | -6.854 | 4.26 |
| C2/c (No. 15) | monoclinic | 0.34 | 0.0297 | -6.851 | 4.26 |
| P1 (No. 1) | triclinic | 1.25 | 0.0746 | -6.806 | 3.43 |
| P1 (No. 1) | Triclinic | — | — | — | 3.43 |
| P1 (No. 1) | Triclinic | — | — | — | 3.63 |
| P1 (No. 1) | Triclinic | — | — | — | 3.55 |
| C2/m (No. 12) | Monoclinic | — | — | — | 4.33 |
| C2/m (No. 12) | Monoclinic | — | — | — | 4.58 |
| C2/m (No. 12) | Monoclinic | — | — | — | 4.48 |
| P1 (No. 1) | — | — | — | — | — |
Applications
Where Li4Fe3CoO8 is used.
Frequently Asked Questions
Common questions about Li4Fe3CoO8, answered from cross-validated data.
What is Li4Fe3CoO8?
Li4Fe3CoO8 is a semiconducting lithium transition-metal oxide that is potentially synthesizable for use in energy storage research.
What is Li4Fe3CoO8 used for?
What is the band gap of Li4Fe3CoO8?
Is Li4Fe3CoO8 a metal, semiconductor, or insulator?
Is Li4Fe3CoO8 thermodynamically stable?
What is the crystal structure of Li4Fe3CoO8?
What is the density of Li4Fe3CoO8?
How many polymorphs of Li4Fe3CoO8 are known?
What elements does Li4Fe3CoO8 contain?
Where does the data for Li4Fe3CoO8 come from?
How It Compares
Within the layered lithium transition-metal oxides class.
Within the diverse landscape of layered lithium transition-metal oxides, Li4Fe3CoO8 occupies a unique niche compared to more conventional materials like LiCoO2. While LiCoO2 is the industry standard for commercial cathodes, Li4Fe3CoO8 incorporates a complex mix of iron and cobalt, positioning it as a distinct alternative for exploring multi-metal oxide stability and electrochemical performance.
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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