Method for steady-state, isothermal measurement of thermoelectric materials

被引：0
|
作者：
Maddux, Jay R. [1 ]
Taylor, Patrick J. [1 ]
机构：
[1] USA, Res Lab, Sensors & Electron Devices Directorate, Attn RDRL SEE I, Adelphi, MD 20783 USA
来源：
ENERGY HARVESTING AND STORAGE: MATERIALS, DEVICES, AND APPLICATIONS II | 2011年 / 8035卷
关键词：
Thermoelectric measurements; Seebeck coefficient; thermal conductivity; dimensionless figure of merit; isothermal;
D O I：
10.1117/12.883376
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A new method for characterizing thermoelectric materials is described. By using non-contact radiative heat flow, parasitic heat flows that will otherwise cause error can be reduced to negligible levels. Having precise knowledge of the steady-state heat flows under conditions with low parasitics allows for accurate determination of thermal conductivity as well as bulk and thin-film device performance metrics including coefficient of performance. Measurement of thermal conductivity of bulk (Bi,Sb)(2)(Se,Te)(3) alloy sample was 1.49 Watt/meter-K.
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页数：6
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