High temperature thermoelectric properties of oxide Ca9Co12O28
- 1 January 1999
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry
- Vol. 9 (8) , 1659-1660
- https://doi.org/10.1039/a904413b
Abstract
The electrical conductivity, Seebeck coefficient and thermal conductivity of oxide Ca 9 Co 12 O 28 with Ca 2 Co 2 O 5 -type structure are 84 S cm –1 , 118 µV K –1 and 1.73 W m –1 K –1 respectively at 700 °C, and its figure of merit is 0.67×10 –4 K –1 , showing that Ca 9 Co 12 O 28 is a potential material for high temperature thermoelectric energy conversion.Keywords
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