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Enhanced thermoelectric properties in Polypyrrole composites with silicide fillers
Materials Letters ( IF 3 ) Pub Date : 2020-04-01 , DOI: 10.1016/j.matlet.2020.127373
Marco Longhin , Mahmoud Khalil , Linda Abbassi , Mickael Beaudhuin , Philippe Papet , Romain Viennois

Abstract We report the design and the thermoelectric properties of organic/inorganic composites made of Poly-pyrrole (PPy) and of two silicides (Co0.85Fe0.15Si and CrSi2). For both composites, we find a significant enhancement of the thermoelectric properties of the PPy with increasing content of the inorganic filler. The maximum power factor of the composites were up to 0.4 µW/m.K2 for ϕi = 50% and of 1.33 µW/m.K2 for ϕi = 90% for Co0.85Fe0.15Si and up to 3.37 µW/m.K2 for ϕi = 50% and of 9.7 µW/m.K2 for ϕi = 90% for CrSi2, more than two orders of magnitude higher than in pure PPy. This study proposed a novel and effective way to improve the thermoelectric performances of the thermoelectric polymer PPy.

中文翻译:

具有硅化物填料的聚吡咯复合材料的热电性能增强

摘要 我们报告了由聚吡咯 (PPy) 和两种硅化物 (Co0.85Fe0.15Si 和 CrSi2) 制成的有机/无机复合材料的设计和热电性能。对于这两种复合材料,我们发现随着无机填料含量的增加,PPy 的热电性能显着增强。复合材料的最大功率因数对于 ϕi = 50% 高达 0.4 µW/m.K2,对于 ϕi = 90% Co0.85Fe0.15Si 高达 1.33 µW/m.K2,对于 Co0.85Fe0.15Si 高达 3.37 µW/m.K2 φi = 50% 和 9.7 µW/m.K2 φi = 90% CrSi2,比纯 PPy 高两个数量级以上。该研究提出了一种提高热电聚合物PPy热电性能的新颖有效的方法。
更新日期:2020-04-01
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