Self-templating graphene network composites by flame carbonization for excellent electromagnetic interference shielding

doi:10.1016/j.compositesb.2019.107615

CORC > 宁波材料技术与工程研究所 > 中国科学院宁波材料技术与工程研究所 > 2020专题

	Self-templating graphene network composites by flame carbonization for excellent electromagnetic interference shielding
	Li, Yang ; Liu, Jingjing ; Wang, Shengqiang ; Zhang, Lihua ; Shen, Bin
刊名	COMPOSITES PART B-ENGINEERING
	2020
卷号	182
关键词	HIGH-PERFORMANCE THERMAL-DEGRADATION BROAD-BAND LIGHTWEIGHT EFFICIENT FOAMS NANOCOMPOSITES FABRICATION AEROGELS FILMS
DOI	10.1016/j.compositesb.2019.107615
英文摘要	Graphene networks (GNs) with ultralow density of 5.6-8.6 mg/cm(3) were prepared with polyurethane/graphene (PUG) composite foams as templates and ethanol flame as a mild carbonizing condition. After the pyrolysis of the PU matrix in dozens of seconds, the structural integrity of the foams was well preserved by the embedded graphene sheets at a sufficient content (>= 12 wt%), forming interconnected GNs with pore size in nano- and micron-scale. When encapsulated with epoxy resin, the CNs composites showed excellent electrical conductivity of 340-830 S/m at the filler content of 2.5-4.2 wt% and exceptional electromagnetic interference (EMI) shielding effectiveness (SE) of 30-61 dB in sample thickness of 0.9-1.5 mm. The excellent EMI shielding property of GN composites, as well as the mild, high-efficient flame-carbonizing process, make our self-templating method very promising in the facile fabrication of high-performance EMI shielding materials.
学科主题	Engineering ; Materials Science
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/20077]
专题	2020专题
作者单位	1.Li, Y (corresponding author), Huanghuai Univ, Coll Chem & Pharmaceut Engn, Zhumadian 463000, Henan, Peoples R China. 2.Shen, B (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo Key Lab Polymer Mat, Ningbo 315201, Zhejiang, Peoples R China.
推荐引用方式 GB/T 7714	Li, Yang,Liu, Jingjing,Wang, Shengqiang,et al. Self-templating graphene network composites by flame carbonization for excellent electromagnetic interference shielding[J]. COMPOSITES PART B-ENGINEERING,2020,182.
APA	Li, Yang,Liu, Jingjing,Wang, Shengqiang,Zhang, Lihua,&Shen, Bin.(2020).Self-templating graphene network composites by flame carbonization for excellent electromagnetic interference shielding.COMPOSITES PART B-ENGINEERING,182.
MLA	Li, Yang,et al."Self-templating graphene network composites by flame carbonization for excellent electromagnetic interference shielding".COMPOSITES PART B-ENGINEERING 182(2020).