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Keywords: polypropylene nanocomposite, energy storage, sandwich structure, breakdown strength, dielectric properties. Citation: Ji M, Min D, Wu Q, Mi R, Liu W, Li S, Qin S and Zhu S …
An evaluation of capacitors using metallized polypropylene energy storage capacitors for low pulse duty that can be used for medical defibrillators or other applications requiring a high …
30 T. C. M. CHUNG ploited to fabricate high energy density capacitors. How- ever, there are disadvantages with the matter of a rela- tively low breakdown voltage and unrecoverable break-
Here, this study described the improved energy storage density of polypropylene nanocomposites via macroscopic and mesoscopic structure designs. The ABA-structured, BAB-structured, and single-layered nanocomposites were …
The obtained film (BO(PP/AA/Zr)) exhibited an energy storage density of 7.9 J cm −3 at room temperature and maintained a considerably high value of 3.9 J cm −3 at 120 °C. …
Since the discovery of high-density polyethylene (HDPE) and polypropylene (PP) in the early 1950s, the functionalization of polyolefins [1, 2] has been a scientifically …
In this paper, a novel deashing method is proposed to prepare polypropylene (PP) materials with different ash contents (60–500 ppm). Effects of the ash on dielectric and energy storage …
Status quo and future prospects for metallized polypropylene energy storage capacitors. IEEE Trans. Plasma Sci. (2001) J. Li et al. Biaxially oriented films of grafted …
At room temperature, the stretched films maintain the excellent energy storage properties for both the pristine PP and the nanocomposite, i.e., the stretched films show the same energy storage properties as the films before stretching (Fig. 7 a and b).
However, compared with other energy storage devices such as batteries and supercapacitors, the energy storage density of dielectric capacitors is low, which results in the …
With the wide application of energy storage equipment in modern electronic and electrical systems, developing polymer-based dielectric capacitors with high-power density …
A family of cross-linked polypropylene (x-PP) thin film dielectrics is systematically studied to understand the cross-linking effect on the dielectric properties. Evidently, the …
Over the past half-century, plastic consumption has grown rapidly due to its versatility, low cost, and unrivaled functional properties. Among the different implemented …
Dielectric capacitor is an extremely important type of power storage device with fast charging and discharging rates and ultra-high power density, which has shown a crucial …
However, the limited working temperature (<105 °C) of commercial biaxially oriented polypropylene (BOPP), the benchmark dielectric polymer, fails to satisfy the …
Generally, the energy storage density (U e) of linear polymer dielectrics is related to the following equation: (1) U e = 1 2 ε r ε 0 E b 2 wherein ε r, ε 0, and E b, respectively correspond to the dielectric constant of the materials, vacuum permittivity, and the breakdown strength of the materials [, , , ].
Polypropylene (PP) is a classical organic material for dielectric capacitor, exhibiting typical linear charge–discharge characteristics. However, its low energy density fails …
The energy storage density can characterize the ability of the PP film to store charges, which is of great significance for the volume miniaturization of HVDC capacitors. The …
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