Significantly Elevated Dielectric and Energy Storage Traits in Boron Nitride Filled Polymer Nano-Composites with Topological Structure

Yefeng Feng; Jianxiong Zhang; Jianbing Hu; Shichun Li; Cheng Peng

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자료유형: 학술저널

저자정보: Yefeng Feng (Yangtze Normal University) Jianxiong Zhang (Yangtze Normal University) Jianbing Hu (Yangtze Normal University) Shichun Li (Yangtze Normal University) Cheng Peng (Yangtze Normal University)

저널정보: 대한금속·재료학회 Electronic Materials Letters Electronic Materials Letters Vol.14 No.2

발행연도: 2018.1

수록면: 187 - 197 (11page)

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Interface induced polarization has a prominent influence on dielectric properties of 0–3 type polymer based composites containingSi-based semi-conductors. The disadvantages of composites were higher dielectric loss, lower breakdown strength andenergy storage density, although higher permittivity was achieved. In this work, dielectric, conductive, breakdown and energystorage properties of four nano-composites have been researched. Based on the cooperation of fluoropolymer/alpha-SiC layerand fluoropolymer/hexagonal-BN layer, it was confirmed constructing the heterogeneous layer-by-layer composite structurerather than homogeneous mono-layer structure could significantly reduce dielectric loss, promote breakdown strength andincrease energy storage density. The former worked for a larger dielectric response and the latter layer acted as a robust barrierof charge carrier transfer. The best nano-composite could possess a permittivity of 43@100 Hz (~ 3.3 times of polymer),loss of 0.07@100 Hz (~ 37% of polymer), discharged energy density of 2.23 J/cm3@249 kV/cm (~ 10 times of polymer)and discharged energy efficiency of 54%@249 kV/cm (~ 5 times of polymer). This work might enlighten a facile route toachieve the promising high energy storage composite dielectrics by constructing the layer-by-layer topological structure.

참고문헌 (56)

참고문헌 신청

Haiyang Liu / 2011 / Carbon Nanotube Array/Polymer Core/Shell Structured Composites with High Dielectric Permittivity, Low Dielectric Loss, and Large Energy Density / Advanced Materials 23(43):5104~5108

S. F. Shao / 2007 / High permittivity and low dielectric loss in ceramics with the nominal compositions of CaCu3−xLa2x∕3Ti4O12 / Applied Physics Letters 91(4):042905

G. Subodh / 2009 / Dielectric response of high permittivity polymer ceramic composite with low loss tangent / Applied Physics Letters 95(6):062903

Bhadra, D / 2010 / Low loss high dielectric permittivity of polyvinylidene fluoride and $KxTiyNi_{1-x-y}O$ (x = 0.05), y = 0.02) composites / J. Appl. Phys. 107:24115

Ayrat Dimiev / 2011 / Low-Loss, High-Permittivity Composites Made from Graphene Nanoribbons / ACS Applied Materials & Interfaces 3(12):4657~4661

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