Boron carbides as high temperature thermoelectric materials

1 January 1986

proceedings article
Published by AIP Publishing in AIP Conference Proceedings

Vol. 140 (1) , 362-372
https://doi.org/10.1063/1.35584

Abstract

Narrow band semiconductors, in which the transport occurs by small polaron hopping, appear to be of promise for very high temperature thermoelectric energy conversion. Boron carbide is an example of this class of materials and its parameters relevant to this application will be discussed. The figure of merit was found to be a strongly increasing function of temperature with a value of ∼0.5×10−3 K−1 at 1300 K. The prospects of further improvement in performance will be discussed.

Keywords

ELECTRIC CONDUCTIVITY
MATERIALS SCIENCE
SEEBECK EFFECT
PHYSICAL PROPERTIES
CARBIDES
FIGURE OF MERIT
THERMAL CONDUCTIVITY
CARBON COMPOUNDS
POLARONS
ENERGY CONVERSION

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