La0.3Ca2.7Co4O9

ceramic

· La0.3Ca2.7Co4O9

La0.3Ca2.7Co4O9 is a layered cobaltite ceramic compound belonging to the misfit-layered perovskite family, synthesized primarily for thermoelectric and electrochemical energy conversion applications. This material is an experimental research composition investigated for high-temperature thermoelectric generators and solid oxide fuel cell (SOFC) cathodes, where its layered crystal structure and mixed-valence cobalt chemistry enable tunable electrical conductivity and Seebeck coefficients. Engineers select cobaltite ceramics like this over conventional thermoelectric semiconductors when operating conditions demand chemical stability at elevated temperatures (>600 °C) and oxidizing environments, though practical deployment remains limited to specialized laboratory and prototype-stage systems.

thermoelectric generatorswaste heat recoverysolid oxide fuel cell cathodeshigh-temperature power generationexperimental energy conversionceramic electrodes

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Electrical Conductivity(σ)	16.78	S/cm	27°C
Electrical Resistivity(ρe)	0.000596	Ω·m	27°C
Thermoelectric Power Factor(PF)	0.00000598	W/(m·K²)	27°C
Seebeck Coefficient(S)	59.71	μV/K	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.

La0.3Ca2.7Co4O9

Electrical Properties

Regulatory Screening

Environmental