CaMn4O8
CaMn4O8 is a semiconducting manganese oxide used primarily as a catalyst for oxygen-evolution reactions in electrochemical systems.

About CaMn4O8
CaMn4O8 is a semiconducting oxide that functions as a catalyst for the oxygen-evolution reaction. Its complex structure and electronic properties make it a subject of significant interest for researchers investigating sustainable energy conversion technologies.
As a metastable material, it represents a unique phase within the broader family of manganese-based oxides. The compound is primarily studied for its potential to facilitate efficient electrochemical water splitting, contributing to the development of advanced catalytic materials.
Key Properties
Cross-validated computational properties for CaMn4O8, aggregated across 5 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.
Synthesis Routes
Literature-extracted synthesis procedures targeting CaMn4O8.
Applications
Where CaMn4O8 is used.
Frequently Asked Questions
Common questions about CaMn4O8, answered from cross-validated data.
What is CaMn4O8?
CaMn4O8 is a semiconducting manganese oxide used primarily as a catalyst for oxygen-evolution reactions in electrochemical systems.
What is CaMn4O8 used for?
What is the band gap of CaMn4O8?
Is CaMn4O8 a metal, semiconductor, or insulator?
Is CaMn4O8 thermodynamically stable?
How many polymorphs of CaMn4O8 are known?
How is CaMn4O8 synthesized?
What elements does CaMn4O8 contain?
Where does the data for CaMn4O8 come from?
How It Compares
Within the oxide oxygen-evolution catalysts class.
Unlike the highly stable and widely utilized LiCoO2 or LiMn2O4, which are cornerstones of battery technology, CaMn4O8 exists in a metastable state that presents distinct challenges and opportunities for catalytic surface engineering. While materials like LaMnO3 are often explored for their robust perovskite frameworks, CaMn4O8 offers a different structural motif that researchers leverage to tune oxygen-evolution activity in specialized electrochemical environments.
Related Compounds
Other Oxide Oxygen-Evolution Catalysts in the database.
Data sources & attribution
- latticegraph — Lattice Graph Materials Intelligence Platform
Analyze CaMn4O8 in the Lattice Graph platform
Polymorph comparison, confidence scoring, supply-chain risk, and patent monitoring — across 53 integrated data sources.
Explore the Platform →