A Brief Review of CoSb3-based Thermoelectric Materials and Modules for Mid-Temperature Power Generation

W. Nam, J. Cho
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引用次数: 1

Abstract

s To solve the global energy problems, investigating renewable and environmentally friendly energy resources has considerable significance. Thermoelectric materials and modules have gained considerable attention because they can directly convert waste heat into electric power while leaving no environmental pollution. The performance of the thermoelectric materials can be determined using the dimensionless figure of merit, ZT. However, trade-off relationships between the thermoelectric parameters (electrical conductivity, Seebeck coefficient, and thermal conductivity) have hindered significant improvement of ZT over the decades. Therefore, independent control of the charge and phonon transports is of great importance. In this respect, CoSb3–based skutterudites showing PGEC (phonon-glass electron-crystal) properties are considered to be promising thermoelectric materials for mid-temperature power generation. In this paper, we review the current status of research in the fields of CoSb3-based thermoelectric materials and modularization techniques.
中温发电用cosb3基热电材料及模块研究进展
研究可再生能源和环境友好型能源对解决全球能源问题具有重要意义。热电材料和热电模块由于能够将废热直接转化为电能而不造成环境污染而备受关注。热电材料的性能可以用无因次优值ZT来确定。然而,几十年来,热电参数(电导率、塞贝克系数和导热系数)之间的权衡关系阻碍了ZT的显著改善。因此,独立控制电荷和声子输运是非常重要的。在这方面,具有PGEC(声子-玻璃电子-晶体)特性的cosb3基滑石被认为是有前途的中温发电热电材料。本文综述了cosb3基热电材料及其模块化技术的研究现状。
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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