The Thermal Energy Conversion Technologies Group at the Jet Propulsion Laboratory has been pursuing the development of thermopiles capable of higher temperature operation in support of terrestrial and space sensing applications in extreme environments. The next-generation sensor technology would rely on filled skutterudite (SKD) compounds, the same materials currently being considered for use in the enhanced Multi-Mission Radioisotope Thermoelectric Generator (eMMRTG). We report on the design, development and fabrication of SKD-based prototype thermopile devices. The beginning-of-life (BOL) experimental and predicted performance of the SKD-based prototype thermopile in terms of electrical resistance, output voltage, current, power output and efficiency in the 423 to 723 K operating temperature range is reported and discussed.


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    Title :

    Development of Filled-Skutterudite Based Thermopile for High Temperature Sensors for Space and Terrestrial Applications



    Conference:

    AIAA Joint Propulsion Conference ; 2016 ; Salt Lake City, UT, United States


    Publication date :

    2016-07-25


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English