Ca2.4Na0.3Bi0.3Co4O9

ceramic
· Ca2.4Na0.3Bi0.3Co4O9

This is an advanced layered oxide ceramic composed of calcium, sodium, bismuth, and cobalt oxides, representing a research compound within the family of misfit-layer cobaltites—materials engineered for thermoelectric and thermal management applications. Such compounds are investigated primarily in academic and industrial research settings for their potential in waste heat recovery systems and solid-state thermal devices where low thermal conductivity combined with electrical conductivity is advantageous. The doped composition (with sodium and bismuth substitutions) is designed to optimize the balance between thermal and electrical transport properties, making it a candidate for next-generation thermoelectric generators and high-temperature insulation applications in demanding thermal environments.

thermoelectric generatorswaste heat recovery systemsthermal barrier coatings (research)high-temperature insulationenergy conversion devicesmaterials research and development

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
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
PropertyValueUnitConditionsSource
Electrical Conductivity(σ)
S/cm727°C
Electrical Resistivity(ρe)
Ω·m727°C
Thermoelectric Power Factor(PF)
W/(m·K²)727°C
Seebeck Coefficient(S)
μV/K727°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.