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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
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume695Pages:1908-1912
Abstract

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.

KeywordCosb3 Composites Skutterudite Thermoelectric Properties Multi-walled Carbon Nanotubes Lanthanum Filled
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jallcom.2016.11.024
Indexed BySCI
Language英语
WOS KeywordTemperature
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Science Foundation of China(21290174) ; Fundamental Research Funds for the Central Universities(YJ2012-007)
WOS IDWOS:000391817600239
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21874
Collection多相复杂系统国家重点实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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