Ca3Co4O9
ceramic· Ca3Co4O9
Ca3Co4O9 is an oxide ceramic compound belonging to the layered perovskite family, primarily investigated as a thermoelectric material for energy conversion applications. This material is of significant research interest for solid-state heat-to-electricity conversion, particularly in waste heat recovery systems where thermal gradients can be exploited. Its development represents an effort to create cost-effective, cobalt-based alternatives to bismuth telluride and skutterudite thermoelectrics, with potential advantages in high-temperature stability and raw material availability compared to conventional thermoelectric semiconductors.
thermoelectric power generationwaste heat recovery systemshigh-temperature energy conversionaerospace thermal managementindustrial exhaust heat captureresearch-phase thermoelectric devices
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Thermal Conductivity(k)2 entries | — | W/(m·K) | — | — | |
| ↳ | — | W/(m·K) | 727°C | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Electrical Conductivity(σ) | — | S/cm | 427°C | — | |
Electrical Resistivity(ρe) | — | Ω·m | 427°C | — | |
Thermoelectric Power Factor(PF) | — | W/(m·K²) | 427°C | — | |
Seebeck Coefficient(S) | — | μV/K | 427°C | — | |
Thermoelectric Figure of Merit(zT) | — | - | 727°C | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
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.