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3D Printed SnSe Thermoelectric Generators with High Figure of Merit

机译：具有优异性能的3D打印SnSe热电发电机

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摘要

Since the discovery of the record figure of merit (ZT) of 2.6 +/- 0.3 in tin selenide (SnSe), the material has attracted much attention in the field of thermoelectrics. This paper reports a novel pseudo-3D printing technique to fabricate bulk SnSe thermoelectric elements, allowing for the fabrication of standard configuration thermoelectric generators. In contrast to fabrication examples presented to date, this technique is potentially very low-cost and allows for facile, scalable, and rapid fabrication. Bulk SnSe thermoelectric elements are produced and characterized over a wide range of temperatures. An element printed from an ink with 4% organic binder produces the highest performance, with a ZT value of 1.7 (+/- 0.25) at 758 K. This is the highest ZT reported of any printed thermoelectric material, and the first bulk printed material to operate at this temperature. Finally, a proof-of-concept, all printed SnSe thermoelectric generator is presented, producing 20 mu W at 772 K.
机译：自从在硒化锡（SnSe）中发现2.6 +/- 0.3的记录品质因数（ZT）以来，该材料已在热电领域引起了广泛关注。本文报道了一种新颖的伪3D打印技术，用于制造块状SnSe热电元件，从而允许制造标准配置的热电发生器。与迄今提出的制造示例相反，该技术潜在地成本非常低，并且允许简便，可扩展和快速的制造。散装锡硒热电元件在很宽的温度范围内生产和表征。用有机粘合剂含量为4％的油墨印刷的元件具有最高的性能，在758 K时的ZT值为1.7（+/- 0.25）。这是所有印刷的热电材料和第一个批量印刷材料中报告的最高ZT在此温度下运行。最后，提出了一种概念验证的全印刷SnSe热电发生器，在772 K时产生20μW的功率。

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  • 来源
    《Advanced energy materials》 |2019年第26期|1900201.1-1900201.8|共8页
  • 作者

    Burton Matthew R.; Mehraban Shahin; Beynon David; McGettrick James; Watson Trystan; Lavery Nicholas P.; Carnie Matthew J.;

  • 作者单位

    Swansea Univ, Coll Engn, Mat Res Ctr, SPECIFIC, Bay Campus, Swansea SA1 8EN, W Glam, Wales;

    Swansea Univ, Coll Engn, Mat Res Ctr, MACH1, Bay Campus, Swansea SA1 8EN, W Glam, Wales;

    Swansea Univ, Coll Engn, Mat Res Ctr, SPECIFIC, Bay Campus, Swansea SA1 8EN, W Glam, Wales;

    Swansea Univ, Coll Engn, Mat Res Ctr, SPECIFIC, Bay Campus, Swansea SA1 8EN, W Glam, Wales;

    Swansea Univ, Coll Engn, Mat Res Ctr, SPECIFIC, Bay Campus, Swansea SA1 8EN, W Glam, Wales;

    Swansea Univ, Coll Engn, Mat Res Ctr, MACH1, Bay Campus, Swansea SA1 8EN, W Glam, Wales;

    Swansea Univ, Coll Engn, Mat Res Ctr, SPECIFIC, Bay Campus, Swansea SA1 8EN, W Glam, Wales;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    3D; device; printing; thermoelectrics; tin selenide;

    机译：3D;装置;印刷;热电;锡硒化物;

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