Evaluation of Temperature-Dependent Effective Material Properties and Performance of a Thermoelectric Module
Evaluation of Temperature-Dependent Effective Material Properties and Performance of a Thermoelectric Module
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DOI：
10.1007/s11664-012-2456-0
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发表时间：
2013-07-01
影响因子：
2.1
通讯作者：
Yao, Da-Jeng
中科院分区：
文献类型：
--
作者：
Chien, Heng-Chieh;Chu, En-Ting;Yao, Da-Jeng
我们设计了一种新方法来评估热电模块 (TEM) 与温度相关的有效特性：塞贝克系数 (S (m))、内电阻 (R (m)) 和热导 (K (m))。经过计算，模块的有效特性被转换为模块内部p-n热电柱对的平均材料特性：塞贝克系数（S（TE））、电阻率（rho（TE））和导热系数（k（TE））。对于选择用于验证新方法的商业热电模块（Altec 1091），测量的 S（TE）在浴温为 110A 摄氏度时具有最大值； rho (TE) 显示出取决于浴温的正线性趋势，并且 k (TE) 随着浴温的升高而略有增加。结果表明，该方法在实用性和可靠性方面具有良好的测量性能； 23A 摄氏度附近的测试数据与公布的值一致。
We devised a novel method to evaluate the temperature-dependent effective properties of a thermoelectric module (TEM): Seebeck coefficient (S (m)), internal electrical resistance (R (m)), and thermal conductance (K (m)). After calculation, the effective properties of the module are converted to the average material properties of a p-n thermoelectric pillar pair inside the module: Seebeck coefficient (S (TE)), electrical resistivity (rho (TE)), and thermal conductivity (k (TE)). For a commercial thermoelectric module (Altec 1091) chosen to verify the novel method, the measured S (TE) has a maximum value at bath temperature of 110A degrees C; rho (TE) shows a positive linear trend dependent on the bath temperature, and k (TE) increases slightly with increasing bath temperature. The results show the method to have satisfactory measurement performance in terms of practicability and reliability; the data for tests near 23A degrees C agree with published values.