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Article Abstract
Polymer-based energy storage materials have been widely applied in the energy storage industry, such as in the hybrid electric vehicle and power-conditioning equipment, due to their moderate energy density and ultrafast charging/discharging speed. Accordingly, the improvement of the energy storage density of polymer matrix composites has become the focus of current research. In this study, different fillers (, 0.5Ba(ZrTi)O-0.5(BaCa)TiO nanofibers (BCZT NFs), BCZT + Ag NFs and BCZT + Ag@AlO NFs) were synthesized electrospinning and were added to the poly(vinylidene fluoride) (PVDF) matrix as a middle layer in sandwich-structure composites. The PVDF polymer-containing PMMA was prepared as the outer layer in the sandwich structure composites. These sandwich-structured composites have low loss, low current density, better breakdown strength and higher efficiency. In particular, 40% PMMA/PVDF/3 vol% BCZT + Ag@AlO/PVDF/40% PMMA/PVDF composites have an energy density of 7.23 J cm and efficiency above 75.8% at 370 kV mm. This article could open up a convenient and effective means for the practical application of power-pulsed capacitors by tuning the filler nanostructure and polymer nanocomposites.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9073305 | PMC |
| http://dx.doi.org/10.1039/c9ra06256d | DOI Listing |
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