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Influence of multi-walled carbon nanotubes on the thermoelectric properties of La-filled CoSb3 skutterudite composites
Che, Ping1; Wang, Beibei1; Sun, Changyan1; Han, Yongsheng2; Li, Wenjun1
2017-02-25
发表期刊JOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
卷号695页码:1908-1912
摘要Ideal thermoelectric materials are featured with high electrical and low thermal conduction. Oxide nanoparticles are usually added to these materials to increase their thermoelectric properties. The conductive particles are seldom employed since they have a complex effect on thermoelectric properties. Here we select the multi-walled carbon nanotubes (MWCNTs) as additives to synthesize a composite of La-filled CoSb3 skutterudite via a solvothermal method. The electrical conductivities and Seebeck coefficients of the obtained composites are tested by using a four-probe technique. The thermal conductivities are measured by a thermal diffusivity system using Pyroceram as a reference sample. The thermoelectric properties of the La-filled CoSb3/MWCNTs composites are investigated in the temperature range of 300-800 K. The influence of the MWCNTs on the electrical conductivity, the Seebeck coefficient and the thermal conductivity of the La-filled CoSb3/MWCNTs composites are discussed. The maximum figure of merit of the composites at 780 K is improved by 37%. (C) 2016 Elsevier B.V. All rights reserved.
关键词Cosb3 Composites Skutterudite Thermoelectric Properties Multi-walled Carbon Nanotubes Lanthanum Filled
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jallcom.2016.11.024
收录类别SCI
语种英语
关键词[WOS]TEMPERATURE
WOS研究方向Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
项目资助者National Science Foundation of China(21290174) ; Fundamental Research Funds for the Central Universities(YJ2012-007)
WOS记录号WOS:000391817600239
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21874
专题多相复杂系统国家重点实验室
作者单位1.Univ Sci & Technol Beijing, Sch Chem & Biol Engn, Dept Chem, Beijing Key Lab Sci & Applicat Funct Mol & Crysta, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
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Che, Ping,Wang, Beibei,Sun, Changyan,et al. Influence of multi-walled carbon nanotubes on the thermoelectric properties of La-filled CoSb3 skutterudite composites[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2017,695:1908-1912.
APA Che, Ping,Wang, Beibei,Sun, Changyan,Han, Yongsheng,&Li, Wenjun.(2017).Influence of multi-walled carbon nanotubes on the thermoelectric properties of La-filled CoSb3 skutterudite composites.JOURNAL OF ALLOYS AND COMPOUNDS,695,1908-1912.
MLA Che, Ping,et al."Influence of multi-walled carbon nanotubes on the thermoelectric properties of La-filled CoSb3 skutterudite composites".JOURNAL OF ALLOYS AND COMPOUNDS 695(2017):1908-1912.
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