Ca2.7Bi0.3Co4O9

ceramic

· Ca2.7Bi0.3Co4O9

Ca2.7Bi0.3Co4O9 is a layered perovskite oxide ceramic compound belonging to the misfit layered cobaltite family, engineered for thermoelectric and thermal management applications. This is a research-phase material designed to exploit the low thermal conductivity and electronic properties characteristic of layered cobalt oxides, making it relevant for applications requiring thermal insulation combined with electrical functionality. Unlike conventional ceramics, this composition targets high-temperature thermoelectric energy conversion and waste heat recovery where maintaining low thermal conductivity while preserving adequate electrical conductivity is critical.

thermoelectric power generationwaste heat recovery systemshigh-temperature thermal barrierssolid-state cooling devicesthermal insulation coatings

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Thermal Conductivity(k)2 entries	1.156	BTU/(hr·ft·°F)	—
↳	1.156	BTU/(hr·ft·°F)	27°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)	96.62	S/cm	27°C
Electrical Resistivity(ρe)	0.000103	Ω·m	27°C
Thermoelectric Power Factor(PF)	0.000177	W/(m·K²)	27°C
Seebeck Coefficient(S)	135.4	μV/K	27°C
Thermoelectric Figure of Merit(zT)	0.02657	-	27°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.

Ca2.7Bi0.3Co4O9

Thermal Properties

Electrical Properties

Regulatory Screening

Environmental