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Silver nanoparticle-modified alumina microsphere hybrid composites for enhanced energy density and thermal conductivity
Ren, Linlin; Zeng, Xiaoliang; Zhang, Xian; Sun, Rong; Tian, Xingyou; Zeng, Yuping; Xu, Jian-Bin; Wong, Ching-Ping
2019-04-01
Source PublicationCOMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
ISSN1359-835X
Volume119Pages:299
SubtypeArticle
AbstractDielectric polymer composites consisting of inorganic fillers and polymers have wide applications in high energy density electronic devices. However, development of dielectric polymer composites with enhanced energy storage density and thermal conductivity is desired but challenge. Herein, we report polymer composites consisting of epoxy resin and silver nanoparticle-decorated Al2O3 microspheres (Al2O3-AgNPs), which show enhanced energy storage density and thermal conductivity (1.11 W/m K), at 70 wt% Al2O3-AgNPs. The discharged energy density of Al2O3-AgNPs/epoxy resin composites with 70 wt% hybrid fillers is 4.28 x 10(-3) J cm(-3), while the composites without AgNPs is 3.09 x 10(-3) J cm(-1) at 200 kV cm(-3). The enhanced energy storage density and thermal conductivity are attributed to the enhanced the interfacial polarization and the bridge role of AgNp in facilitating the heat flow across the interfacial boundary, respectively. The results support the potential applications of the Al2O3-AgNPs/epoxy resin composites used as dielectric materials in modern electronics and electric power systems.
KeywordPolymer-matrix composites (PMCs) Energy materials Electrical properties Thermal properties
DOI10.1016/j.compositesa.2019.02.004
Language英语
WOS Research AreaEngineering ; Materials Science
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27229
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Ren, Linlin,Zeng, Xiaoliang,Zhang, Xian,et al. Silver nanoparticle-modified alumina microsphere hybrid composites for enhanced energy density and thermal conductivity[J]. COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,2019,119:299.
APA Ren, Linlin.,Zeng, Xiaoliang.,Zhang, Xian.,Sun, Rong.,Tian, Xingyou.,...&Wong, Ching-Ping.(2019).Silver nanoparticle-modified alumina microsphere hybrid composites for enhanced energy density and thermal conductivity.COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,119,299.
MLA Ren, Linlin,et al."Silver nanoparticle-modified alumina microsphere hybrid composites for enhanced energy density and thermal conductivity".COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING 119(2019):299.
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