کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7725000 1497839 2018 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
High-performance and integrated design of thermoelectric generator based on concentric filament architecture
ترجمه فارسی عنوان
طراحی با کارایی بالا و یکپارچه از ژنراتور ترموالکتریک بر اساس معماری رشته مرکزی
کلمات کلیدی
پوشش برس معماری رشته مرکزی، شبیه سازی عنصر محدود، ژنراتور ترموالکتریک رادیوایزوتوپ، دستگاه رشته حرارتی الکتریکی،
موضوعات مرتبط
مهندسی و علوم پایه شیمی الکتروشیمی
چکیده انگلیسی
A concentric thermoelectric filament structure used for radioisotope thermoelectric generator (RTG) is designed to satisfy low-power and high-voltage demands for aerospace microelectronic devices. The thermoelectric filament is proven to have a better output voltage than the traditional thermoelectric structure by using COMSOL. The unbreakable thermoelectric filament and corresponding devices are prepared by employing a simple and easy brush coating process. A single thermoelectric filament obtains an open-circuit voltage (Voc) of 6.0 mV and a maximum power output (Pmax) of 2.0 μW at 398.15 K hot surface temperature. An array of thermoelectric filaments is fabricated for the radioisotope heat source of planar heat surface, which obtains Voc of 83.5 mV and Pmax of 32.1 μW at the hot surface temperature of 398.15 K, thereby verifying the practicability of the concentric filament structure in devices. Another radial thermoelectric filament device is designed for the cylindrical heat source. This device exports 84.5 mV Voc and 42.5 μW Pmax at the hot surface temperature of 398.15 K. These thermoelectric devices could gain larger electrical performance in small space through further series connection and fabrication, which will be a commendable design scheme for the radioisotope thermoelectric generator.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Power Sources - Volume 393, 31 July 2018, Pages 161-168
نویسندگان
, , , , , , , ,