A Review of Polycrystalline SnSe Thermoelectric Materials: Progress and Prospects

IF 2.9 2区 材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING
Yaru Gong, Wei Dou, Yanan Li, Pan Ying, Guodong Tang
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引用次数: 0

Abstract

As functional materials capable of direct thermoelectric energy conversion, thermoelectric materials hold immense promise for waste heat recovery and sustainable energy utilization. Through development in recent decades, many thermoelectric material systems with excellent performance have been developed. In alignment with the principles of circular economy and sustainable development, the search for new and efficient thermoelectric materials has become one of the most important directions of current research. SnSe has received much attention as an environmentally friendly and cost-effective thermoelectric material system. In particular, polycrystalline SnSe, with the advantages of facile preparation and stable mechanical properties, is suitable for large-scale industrial production. Here, we summarize the common preparation methods of polycrystalline SnSe in the decade of melting, mechanical alloying, and liquid-phase methods, as well as the strategies of property optimization such as microstructure design, grain boundary engineering, and band engineering. Finally, we provide perspectives on future research directions for polycrystalline SnSe to further improve thermoelectric performance and accelerate its practical applications.

多晶SnSe热电材料的研究进展与展望
热电材料作为一种能够直接转换热电能量的功能材料,在余热回收和能源可持续利用方面具有广阔的应用前景。经过近几十年的发展,开发出了许多性能优异的热电材料体系。根据循环经济和可持续发展的原则,寻找新型高效热电材料已成为当前研究的重要方向之一。SnSe作为一种环保、高性价比的热电材料体系受到了广泛的关注。特别是多晶SnSe,具有制备方便、力学性能稳定等优点,适合大规模工业生产。本文总结了近十年来熔炼法、机械合金化法和液相法制备多晶SnSe的常用方法,以及微观组织设计、晶界工程和能带工程等性能优化策略。最后,展望了多晶SnSe的未来研究方向,以进一步提高其热电性能,加快其实际应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Acta Metallurgica Sinica-English Letters
Acta Metallurgica Sinica-English Letters METALLURGY & METALLURGICAL ENGINEERING-
CiteScore
6.60
自引率
14.30%
发文量
122
审稿时长
2 months
期刊介绍: This international journal presents compact reports of significant, original and timely research reflecting progress in metallurgy, materials science and engineering, including materials physics, physical metallurgy, and process metallurgy.
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