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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)2 entries	1.639	BTU/(hr·ft·°F)	—
↳	1.639	BTU/(hr·ft·°F)	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, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions
Electrical Conductivity(σ)	34.80	S/cm	427°C
Electrical Resistivity(ρe)	0.000287	Ω·m	427°C
Thermoelectric Power Factor(PF)	0.0000247	W/(m·K²)	427°C
Seebeck Coefficient(S)	84.28	μV/K	427°C
Thermoelectric Figure of Merit(zT)	0.9317	-	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.

Ca3Co4O9

Thermal Properties

Electrical Properties

Regulatory Screening

Environmental