Abstract

To increase efficiency structure of multisectional thermoelectric generator working up to the temperature of 1200 K was developed. Compositions were proposed, and thermoelectric materials were obtained for the fabrication of each section of thermoelement. Investigations showed that these materials have high figure of merit. Sublimation of thermoelectric materials in the working temperature of multisectional thermoelement was investigated. To eliminate sublimation of thermoelectric material, Si3N4 and SiO2 protective layers were deposited by plasma-chemical method, which were effective up to the temperature of 1200 K.

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