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Constructing interconnected thermally conductive networks in a polymer matrix is essential for efficient heat transport in thermally managed materials. Thermally conductive network structures typically have meager thermal resistance, and heat transfer into the material is rapidly exported along such networks. However, increasing the thermally conductive networks inside the polymer matrix is still...
Design of core–shell structure for ceramic filler is an effective way to improve the electric insulation property of polymer matrix. However, it still faces the disadvantage of a low dielectric constant, inhibiting the increase in energy storage density. Herein, we propose an effective strategy for regulating shell thickness to induce dielectric polarization, which simultaneously improves dielectric...
BiFeO3/LDPE nano-dielectric films of different BiFeO3 nanoparticles percentages including 0.5%, 1%, and 2% have been successfully prepared using solution-melt blending method in the spiral double pole rheometer. The BiFeO3/LDPE nanocomposite films were characterized by SEM (scanning electron microscopy), FT-IR (Fourier transform infrared), and XRD (X-ray diffraction). The dielectric properties were...
Recent years the application of ultraviolet-irradiation crosslinked polyethylene (UV-irradiation XLPE) cable for low voltage has become increasingly mature, but for high voltage is still in the research stage. The dielectric properties of high voltage UV-irradiation XLPE with new type macromolecule photoinitiator and polyfunctional crosslinker were studied in this paper. The influence of irradiation...
In the present paper, the dielectric properties of polypropylenes with different crystal forms were investigated. The space charge distribution was measured by using electro-acoustic pulse and the effect of space charge on short circuit breakdown was analyzed by using DC pre-stress voltage. Relative crystallinity of the beta crystal in beta crystal form polypropylenes was analyzed by using DSC, and...
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