SiO2 particle-supported ultrathin graphene hybrids/polyvinylidene fluoride composites with excellent dielectric performance and energy storage density.

	SiO2 particle-supported ultrathin graphene hybrids/polyvinylidene fluoride composites with excellent dielectric performance and energy storage density.
	Lv, Lulu ; Huang, Liang ; Zhu, Pengli ; Li, Gang ; Zhao, Tao ; Long, Jianping ; Sun, Rong ; Wong, Chingping
刊名	JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
	2017
文献子类	期刊论文
英文摘要	Polymer composites of polyvinylidene fluoride (PVDF) filled with SiO2-reduced graphene oxide (RGO) hybrids were fabricated and their dielectric properties and energy storage performance were systematically investigated. Hybrid SiO2-RGO with core-cell were prepared by using of SiO2 particles as rigid template and the thermal reduction of the electrostatic assembled SiO2-GO hybrids, in which the inside rigid particles could support the uniform dispersion of ultrathinRGO sheets in the PVDF matrix and thus leading to a much lower percolation threshold (0.141 vol% for RGO in composite) than those of most reported graphene/polymer composites. Only a small amount of RGO in composites lead to high dielectric permittivity (72.94) and low dielectric loss (0.059) which should be ascribed to the increase of interfacial polarization between filler and matrix. More importantly, the composites with high breakdown strength (2438 kV/cm), energy density (0.301 J/cm(3)) and charge-discharge efficiency (91.2%) can be achieved by incorporation of 10 wt% filler loading. This study provides a special pathway to ensure the dispersion and highly efficient usage of ultrathin graphene sheets in the polymer matrix and achieve graphene/polymer composite with excellent dielectric performance and energy storage density.
URL标识	查看原文
语种	英语
内容类型	期刊论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/11691]
专题	深圳先进技术研究院_集成所
作者单位	JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
推荐引用方式 GB/T 7714	Lv, Lulu , Huang, Liang , Zhu, Pengli ,et al. SiO2 particle-supported ultrathin graphene hybrids/polyvinylidene fluoride composites with excellent dielectric performance and energy storage density.[J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,2017.
APA	Lv, Lulu ., Huang, Liang ., Zhu, Pengli ., Li, Gang ., Zhao, Tao .,...& Wong, Chingping.(2017).SiO2 particle-supported ultrathin graphene hybrids/polyvinylidene fluoride composites with excellent dielectric performance and energy storage density..JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS.
MLA	Lv, Lulu ,et al."SiO2 particle-supported ultrathin graphene hybrids/polyvinylidene fluoride composites with excellent dielectric performance and energy storage density.".JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS (2017).