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智科眼: 双语看懂新科研
首页 中国TOP论文 Nature Science JACS AngewChem PRL AdvMater Lancet Cell EnglMed JAMA
3D Printed SnSe Thermoelectric Generators with High Figure of Merit
3D打印的SnSe热电发电机 with 高图 of 优点
Matthew R. Burton; Shahin Mehraban; David Beynon; James McGettrick; Trystan Watson; Nicholas P. Lavery; Matthew J. Carnie
  • Adv Energy Mater Early ViewOnline Version of Record before inclusion in an issue1900201 [全文下载] 扫码分享
  • 影响因子: 21.9 点击(236) 收藏(0) 评分(0)
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  • 凝聚态物理,应用物理,物理化学,能源与燃料,材料综合
  • 自从在硒化锡(SnSe)中发现2.6±0.3的记录品质因数(ZT)以来,该材料在热电学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,用于制造散装SnSe热电元件,允许制造标准配置的热电发电机。与迄今为止提出的制造示例相比,该技术可能非常低成本并且允许容易,可扩展和快速制造。散装SnSe热电元件在很宽的温度范围内生产和表征。由含有4%有机粘合剂的油墨印刷的元件具有最高的性能,在758 K时ZT值为1.7(±0.25)。这是任何印刷热电材料报告的最高ZT,以及第一个操作的散装印刷材料在这个温度下。最后,提出了概念验证,所有印刷的SnSe热电发电机,在772 K时产生20μW。
  • 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 µW at 772 K.
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