中国电机工程学报2016，Vol.36Issue(24)：6606-6612,7.DOI:10.13334/j.0258-8013.pcsee.161817
纳米颗粒形状对线性低密度聚乙烯纳米复合介质电学性能的影响
Influence of Nanoparticle Shape on Electrical Properties of Linear Low Density Polyethylene Nanocomposites
摘要
Abstract
This work is aimed to investigate the influence of nanoparticle shape on the electrical properties of nanocomposite dielectrics. By using boron nitride (BN) nanoparticles with different shape as nanofiller and linear low density polyethylene (LLDPE) as matrix, nanocomposites with 0.5% to 2.0% BN were prepared. The authors investigated the dispersion of BN in LLDPE, crystallization and melting behavior of the nanocomposites, broadband dielectric spectroscopy of the nanocomposites, space charge behavior and direct current breakdown strength of the nanocomposites. It was found that the shape of BN nanoparticles does affect the breakdown strength of the nanocomposites. BN nanosheets slightly increase the breakdown strength of the nanocomposites while BN nanospheres slightly decrease the breakdown strength of the nanocomposite. The shape of BN nanoparticles shows no influence on the crystallization and melting, dielectric constant and dielectric loss tangent of the nanocomposites. Both nanoparticles can suppress the space charge injection and the make the space charge decay slow in the nanocomposites. It should be noted that the BN nanosheets may affect the space charge waveform.关键词
纳米复合介质/纳米颗粒形状/线性低密度聚乙烯/介电性能/空间电荷/击穿强度Key words
nanocomposites/nanoparticle shape/linear low density polyethylene/dielectric properties/space charge/breakdown strength分类
信息技术与安全科学引用本文复制引用
黄兴溢,张强,江平开..纳米颗粒形状对线性低密度聚乙烯纳米复合介质电学性能的影响[J].中国电机工程学报,2016,36(24):6606-6612,7.基金项目
国家自然科学基金项目(51522703，51277117，51477096)；国家重点基础研究发展计划项目(973项目)(2014CB239503)。 Project Supported by National Natural Science Foundation of China (51522703,51277117,51477096) （51522703，51277117，51477096）
The National Basic Research Program of China (973 Program)(2014CB239503) （973 Program）
