Optimization of p-type segmented FeSi2/Bi2Te3 thermoelectric material prepared by spark plasma sintering

被引：12
|
作者：
Cui, JL [1 ]
机构：
[1] Ningbo Coll, Dept Mech Engn, Ningbo 315016, Zhejiang Prov, Peoples R China
来源：
MATERIALS LETTERS | 2003年 / 57卷 / 24-25期
关键词：
functionally graded thermoelectric materials (FGMs); power output; junction temperature; calculation and measurement;
D O I：
10.1016/S0167-577X(03)00268-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A p-type segmented FeSi2/Bi2Te3 thermoelectric material has been optimized and the optimal junction temperature has been determined based on estimation and measurement. It was observed that the optimal junction temperature is about 195 degreesC, which corresponds to the segment length ratio 10:1 and the hot-side temperature 510 degreesC for the segmented material FeSi2/Bi2Te3. The maximum power outputs are about 800 (W m(-2)) from calculation and 610 (W m(-2)) from measurement for the optimized segmented materials, respectively, being approximate 1.4 times those of homogeneous materials beta-FeSi2 at the same applied circumstance. (C) 2003 Elsevier Science B.V, All rights reserved.
引用
收藏
页码：4074 / 4078
页数：5
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