Al2CoO4
cobalt aluminate · Thenard's blue
Al2CoO4 is a thermodynamically stable, insulating oxide material utilized in the study of oxygen-evolution catalysis.
About cobalt aluminate
Al2CoO4 is a stable oxide compound that sits on the convex hull, indicating significant thermodynamic robustness. As a member of the oxide oxygen-evolution catalyst class, it possesses a wide-band-gap electronic structure that characterizes it as an insulator, distinguishing it from more conductive metallic oxides.
This material is frequently studied for its structural stability and its role in catalytic processes. Its presence across multiple databases confirms its status as a well-documented inorganic compound of interest for researchers investigating oxygen-evolution reaction pathways.
Key Properties
Cross-validated computational properties for cobalt aluminate, 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.
Applications
Where cobalt aluminate is used.
Frequently Asked Questions
Common questions about cobalt aluminate, answered from cross-validated data.
What is Al2CoO4?
Al2CoO4 is a thermodynamically stable, insulating oxide material utilized in the study of oxygen-evolution catalysis.
What is Al2CoO4 used for?
What is the band gap of Al2CoO4?
Is Al2CoO4 a metal, semiconductor, or insulator?
Is Al2CoO4 thermodynamically stable?
How many polymorphs of Al2CoO4 are known?
What elements does Al2CoO4 contain?
Where does the data for Al2CoO4 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Unlike the highly conductive or metallic-like perovskites such as LaNiO3 or LaMnO3, Al2CoO4 functions as a wide-gap insulator. While materials like LiCoO2 or LiMn2O4 are primarily recognized for their electrochemical utility in battery systems, Al2CoO4 offers a different electronic profile within the broader category of oxide catalysts, providing a stable, insulating framework for specialized catalytic applications.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
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