热电发电机
材料科学
热电效应
热电偶
纤维
塞贝克系数
热电材料
复合材料
光电子学
开路电压
功率(物理)
电压
余热
发电机(电路理论)
薄膜
电气工程
机械工程
热导率
纳米技术
热交换器
工程类
热力学
物理
作者
Abhishek Yadav,Kevin P. Pipe,Max Shtein
标识
DOI:10.1016/j.jpowsour.2007.09.096
摘要
Flexible thermoelectric power generators fabricated by evaporating thin films on flexible fiber substrates are demonstrated to be feasible candidates for waste heat recovery. An open circuit voltage of 19.6 μV K per thermocouple junction is measured for Ni–Ag thin films, and a maximum power of 2 nW for 7 couples at ΔT = 6.6 K is measured. Heat transfer analysis is used to project performance for several other material systems, with a predicted power output of 1 μW per couple for Bi2Te3/Sb2Te3-based fiber coatings with a hot junction temperature of 100 °C. Considering the performance of woven thermoelectric cloths or fiber composites, relevant properties and dimensions of individual thermoelectric fibers are optimized.
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