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Flexible thermoelectric generator fabricated by screen printing method from suspensions based on Bi2Te2.8Se0.2 and Bi0.5Sb1.5Te3

采用丝网印刷法基于Bi2Te2.8Se0.2 和 Bi0.5Sb1.5Те3 悬浮液制备柔性热电发电机

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Abstract

In this work, a method for the formation of legs of n- and p-type thermoelements by screen printing using zinc phosphate cement and aqueous alkaline sodium silicate solution as binders was developed. Thermoelectric properties of thick films were investigated. A prototype of a flexible thermoelectric generator (TEG) was developed and fabricated using the results obtained by the screen printing method from suspensions based on Bi2Te3-Sb2Te3 (p-type) and Bi2Te3-Bi2Se3 (n-type) with an aqueous alkaline sodium silicate solution as binder. The developed prototype includes 6 pairs of n- and p-type legs connected by copper wires, and a silicone matrix was used as a flexible base. The prototype showed that at room temperature (298 K) the output voltages of the flexible thick film TEG at temperature differences ΔT=2.5 and 10.0 K are 0.8 and 14.8 mV, respectively.

摘要

本研究开发了利用磷酸锌水泥和碱性硅酸钠水溶液作为黏合剂的丝网印刷形成 n 型和 p 型热元件腿的技术, 研究了厚膜的热电性能. 以碱性硅酸钠水溶液为黏合剂, 利用基于Bi2Te3-Sb2Te3(p 型)和Bi2Te3-Bi2Se3(n 型)的悬浮液的丝网印刷结果, 制备了柔性热电发电机(TEG)的原型. 开发的原型包括6对由铜线连接的 n 型和 p 型腿, 和一个硅胶基质被用作柔性底座. 对样机的研究表明, 在室温(298 K)下, 柔性厚膜TEG 在温差∆T=2.5 K 和 10.0 K 下的输出电压分别为 0.8 mV 和 14.8 mV.

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Authors and Affiliations

  1. National Research University of Electronic Technology, Bld. 1, Shokin Square, Zelenograd, Moscow, Russia

    Irina Voloshchuk, Alexey Babich, Svetlana Pereverzeva, Dmitry Terekhov & Alexey Sherchenkov

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  1. Irina Voloshchuk
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  2. Alexey Babich
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Contributions

SHERCHENKOV Alexey formulated the interconnected research goals, provided the concept and edited the draft of the manuscript. VOLOSHCHUK Irina carried out the literature review, wrote the first draft of the manuscript and provided the manufacturing of suspensions and TEG fabrication. TEREKHOV Dmitry provided the measurement of thermoelectric properties and was responsible to the development of TEG. BABICH Alexey and PEREVERZEVA Svetlana investigated thermal properties and stability of the obtained materials.

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Correspondence to Alexey Babich.

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VOLOSHCHUK Irina, BABICH Alexey, PEREVERZEVA Svetlana, TEREKHOV Dmitry and SHERCHENKOV Alexey declare that they have no conflict of interest.

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Foundation item: Projects(21-19-00312, 18-79-10231) supported by the Russian Science Foundation

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Voloshchuk, I., Babich, A., Pereverzeva, S. et al. Flexible thermoelectric generator fabricated by screen printing method from suspensions based on Bi2Te2.8Se0.2 and Bi0.5Sb1.5Te3. J. Cent. South Univ. 30, 2906–2918 (2023). https://doi.org/10.1007/s11771-023-5257-0

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