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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ling Zhang Yuanxiang Zhou Meng Huang Yanchao Sha Jihuan Tian Qing Ye |
| Copyright Year | 1994 |
| Abstract | This paper focuses on the effect of nanoparticle surface modification on the charge transport characteristics in XLPE/SiO2 nanocomposites. A titanate coupling agent (TC9) and a 3- (Methacryloyloxy)propyltrimethoxysilane (KH570) were used for the surface modification of SiO2 nanoparticles. It was found that both KH570 and TC9 coupling agents improve the nanoparticle dispersion compared with unmodified SiO2 nanoparticles. The improvement in dispersion was found to be due to increased surface hydrophobicity of the treated SiO2 nanoparticles. In addition, it was found that the surface modification improved the DC conductivity, dielectric characteristics, and space charge properties as compared to XLPE or XLPE/SiO2 nanocomposites without surface modification. The results of the TSC measurements showed that the introduction of SiO2 nanoparticles into XLPE increased the trap density and produced more trap energy levels. Improving the nanoparticle dispersion was found to further increase the corresponding trap depth and trap density. The trapped homocharge formed an independent electric field and reduced the effective electric field, which reduced charge injection and increased the charge injection barrier height. Therefore, the space charge formation in the material bulk was suppressed. |
| Sponsorship | National Natural Science Foundation of China (NSFC) Region Centre Ville de Tours Conseil General D'Indre et Loire ABB IEEE Sandia National Laboratories TOSHIBA |
| Starting Page | 424 |
| Ending Page | 433 |
| Page Count | 10 |
| File Size | 1152417 |
| File Format | |
| ISSN | 10709878 |
| Volume Number | 21 |
| Issue Number | 2 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Nanoparticles Nanocomposites Couplings Temperature measurement Dispersion Space charge Surface treatment trap characteristics Nanocomposite XLPE SiO 2 nanoparticle surface modification space charge |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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