Na2 Co2 O4
semiconductor· Na2 Co2 O4
Na₂Co₂O₄ is a mixed-valence cobalt oxide semiconductor compound with a layered crystal structure, belonging to the family of transition metal oxides studied for electrochemical and electronic applications. This material is primarily investigated in research settings for energy storage, catalysis, and thermoelectric device applications, where its mixed oxidation state cobalt centers and ionic conductivity offer potential advantages over single-phase alternatives. Engineers consider it for systems requiring both electronic and ionic transport, though it remains largely experimental with development focused on optimizing phase stability and performance reproducibility.
battery electrodescatalytic materialsthermoelectric devicesoxygen evolution catalysisenergy storage systemssolid-state electrolytes
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.