Characterization of a thermoelectric generator at low temperatures

被引：60

作者：

Karabetoglu, Sevan ^{[1
]}

Sisman, Altug ^{[1
]}

Ozturk, Z. Fatih ^{[1
]}

Sahin, Turker ^{[1
]}

机构：

[1] Istanbul Tech Univ, Energy Inst, TR-34469 Istanbul, Turkey

来源：

ENERGY CONVERSION AND MANAGEMENT | 2012年 / 62卷

关键词：

Thermoelectric properties; Thermoelectric generators; Cryogenic characterization; Bi2Te3; PERFORMANCE; COOLER; DESIGN;

D O I：

10.1016/j.enconman.2012.04.005

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

For the low temperature applications of Bi2Te3 based thermoelectric power generators (TEGs), determination of low temperature material behaviors is important. In the temperature range of 100-375 K, temperature dependency of Seebeck coefficient and electrical conductivity of a Bi2Te3 based TEG are experimentally determined. Furthermore, for a constant temperature difference, the variation of maximum power output with the mean temperature is analytically examined based on the experimentally measured material properties. It is observed that 250 K seems a critical mean operating temperature for the considered Bi2Te3 module. Correlations for temperature dependency of material quantities are also given for the temperature region of 100-375 K. The results can be used for the low temperature applications of Bi2Te3 based TEGs. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：47 / 50

页数：4

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