• fabrication and evaluation of a skutterudite-based thermoelectric module for high-temperature applications

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 725
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     we report a straightforward methodology for the fabrication of high-temperature thermoelectric (te) modules using commercially available solder alloys and metal barriers. this methodology employs standard and accessible facilities that are simple to implement in any laboratory. a te module formed by nine n-type yb x co4sb12 and p-type ce x fe3cosb12 state-of-the-art skutterudite material couples was fabricated. the physical properties of the synthesized skutterudites were determined, and the module power output, internal resistance, and thermocycling stability were evaluated in air. at a temperature difference of 365 k, the module provides more than 1.5 w cm−3 volume power density. however, thermocycling showed an increase of the internal module resistance and degradation in performance with the number of cycles when the device is operated at a hot-side temperature higher than 573 k. this may be attributed to oxidation of the skutterudite thermoelements.

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