CAS OpenIR  > 多相复杂系统国家重点实验室
Magnetic graphite suspensions with reversible thermal conductivity
Sun, P. C.1,2; Huang, Y.1; Zheng, R. T.2; Cheng, G. A.2; Wan, Q. M.1; Ding, Y. L.3
2015-06-15
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume149Pages:92-94
AbstractMagnetic graphite nanofiake (GN) suspensions with reversible thermal conductivity (TC) are reported. A process of sulfuric acid intercalation, microwave expansion magnetization, and ultrasonic dispersion is followed to make magnetic GN Poly-Alpha-Olefin (PAO) suspensions. Magnetic field was observed to increase the TC of the suspensions dramatically, up to 325% with 0.8% (w/w) of magnetic GNs. After removing the magnetic field, the TC trends to decrease reversibly. The maximal TC contrast ratio reaches 3 times before and after the effects of magnetic field. Such riiaterials with magnetically reversible TC have great potential in next generation "smart" cooling devices. (C) 2015 Elsevier B.V. All rights reserved.
KeywordMagnetic Graphite Nanoflakes Suspensions Thermal Conductivity Reversible Magnetic Field
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1016/j.matlet.2015.02.104
Indexed BySCI
Language英语
WOS KeywordNANOCOMPOSITES ; TRANSITIONS ; TRANSPORT ; GRAPHENE
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000353077800026
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/16738
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Beijing Normal Univ, Key Lab Radiat Beam Technol & Mat Modificat, Minist Educ, Beijing 100875, Peoples R China
3.Univ Birmingham, Sch Chem Engn, Birmingham B15 2TT, W Midlands, England
Recommended Citation
GB/T 7714
Sun, P. C.,Huang, Y.,Zheng, R. T.,et al. Magnetic graphite suspensions with reversible thermal conductivity[J]. MATERIALS LETTERS,2015,149:92-94.
APA Sun, P. C.,Huang, Y.,Zheng, R. T.,Cheng, G. A.,Wan, Q. M.,&Ding, Y. L..(2015).Magnetic graphite suspensions with reversible thermal conductivity.MATERIALS LETTERS,149,92-94.
MLA Sun, P. C.,et al."Magnetic graphite suspensions with reversible thermal conductivity".MATERIALS LETTERS 149(2015):92-94.
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