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Microstructure and composition engineering Yb single-filled CoSb3 for high thermoelectric and mechanical performances
Zhou, Zhenxing; Agne, Matthias T.; Zhang, Qihao; Wan, Shun; Song, Qingfeng; Xu, Qing; Lu, Xiaofang; Gu, Shijia; Fan, Yuchi; Jiang, Wan; Snyder, Gerald Jeffrey; Wang, Lianjun
2019-12-01
Source PublicationJOURNAL OF MATERIOMICS
ISSN2352-8478
Volume5Issue:4Pages:702
SubtypeArticle
AbstractA broad tunability of the thermoelectric and mechanical properties of CoSb3 has been demonstrated by adjusting the composition with the addition of an increasing number of elements. However, such a strategy may negatively impact processing repeatability and composition control. In this work, single-element-filled skutterudite is engineered to have high thermoelectric and mechanical performances. Increased Yb filling fraction is found to increase phonon scattering, whereas cryogenic grinding contributes additional microstructural scattering. A peak zT of 1.55 and an average zT of about 1.09, which is comparable to the reported results of multiple-filled SKDs, are realized by the combination of simple composition and microstructure engineering. Furthermore, the mechanical properties of Yb single-filled CoSb3 skutterudite are improved by manipulation of the microstructure through cryogenic grinding. These findings highlight the realistic prospect of producing high-performance thermoelectric materials with reduced compositional complexity. (C) 2019 The Chinese Ceramic Society. Production and hosting by Elsevier B.V.
KeywordSkutterudites Thermoelectric material Compositional complexity Microstructure engineering Cryogenic grinding
DOI10.1016/j.jmat.2019.04.008
Language英语
WOS Research AreaChemistry ; Materials Science ; Physics
PublisherELSEVIER
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26698
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhou, Zhenxing,Agne, Matthias T.,Zhang, Qihao,et al. Microstructure and composition engineering Yb single-filled CoSb3 for high thermoelectric and mechanical performances[J]. JOURNAL OF MATERIOMICS,2019,5(4):702.
APA Zhou, Zhenxing.,Agne, Matthias T..,Zhang, Qihao.,Wan, Shun.,Song, Qingfeng.,...&Wang, Lianjun.(2019).Microstructure and composition engineering Yb single-filled CoSb3 for high thermoelectric and mechanical performances.JOURNAL OF MATERIOMICS,5(4),702.
MLA Zhou, Zhenxing,et al."Microstructure and composition engineering Yb single-filled CoSb3 for high thermoelectric and mechanical performances".JOURNAL OF MATERIOMICS 5.4(2019):702.
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