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High losses and low efficiency have been the main defects limiting poly (vinylidene fluoride) (PVDF) as an energy storage film capacitor material. Herein, the linear methyl methacrylate-co-glycidyl methacrylate (MG) copolymer was prepared to improve the dielectric and energy storage performance of PVDF.
PVDF-based polymers have been widely used in energy storage and conversion fields because of its high permittivity and bipolar characteristics. Most investigations are focused on constructing ceramic/polymer nanocomposites through adding inorganic nanofillers with high permittivity, such as BaTiO 3, BCZT, and TiO 2 [7, 8, 9].
energy storage density while causing a decrease in energy ... The cross-sectional morphology of PVDF films was observed by eld-emission scanning electron microscope (SEM, Tescan, Mira4 …
Large size (111) oriented BTO films embedded in the PVDF matrix have outstanding ductility and ferroelectricity, showing the highest energy density of 20.7 J/cm 3 at 690 MV/m, which provides a ...
The energy storage density of 0.2 wt% rGO-g-PMMA/PVDF system increases by 157% than that of neat PVDF, providing a feasible solution for the preparation of flexible high …
The produced homopolymer PVDF films show the lowest dielectric loss (0.02 at 1 kHz) and highest maximum working temperature (120 °C) in PVDF-based ferroelectric …
The annealed PVDF film shows an ultrahigh energy density of 19.66 J cm −3 and high discharge ... It is worth noting that these reported excellent energy storage with using …
Polymer-based flexible dielectrics have been widely used in capacitor energy storage due to their advantages of ultrahigh power density, flexibility, and scalability. To …
Antiferroelectric nano-heterostructures filler for improving energy storage performance of PVDF-based composite films. Author links open overlay panel Huayang Zhu a, …
High losses and low efficiency have been the main defects limiting poly (vinylidene fluoride) (PVDF) as an energy storage film capacitor material. Herein, the linear methyl methacrylate-co-glycidyl methacrylate (MG) …
Compared with untreated PVDF film, the UV-irradiated PVDF films exhibited a remarkably high discharged energy density of 18.6 J/cm 3 and a moderate charge–discharge efficiency of 81%. Stable performance can also …
Poly(vinylidene fluoride) (PVDF) film shows great potential for applications in the electrostatic energy storage field due to its high dielectric constant and breakdown strength. …
Large size (111) oriented BTO films embedded in the PVDF matrix have outstanding ductility and ferroelectricity, showing the highest energy density of 20.7 J/cm 3 at 690 MV/m, which …
PVDF films after hot-pressing at 150 ℃ exhibited a high discharged energy density (ESD) of 19.24 J/cm3, coupled with a large breakdown strength (Eb) of 604.08 kV/mm …
The minimal difference between the dielectric constant of graphite-phase g-C3N4 and that of PVDF significantly reduces the local electric field distortion, thus improving …
In order to effectively store energy and better improve the dielectric properties of polyvinylidene fluoride (PVDF), this article uses hydrothermal synthesis to prepare spherical …
In this paper, biaxially oriented PVDF (BOPVDF) films were prepared by melt extrusion-biaxial stretching and treated with organic impregnation using hydrofluoroether. The …
Currently, common-utilized dielectric capacitors developed for energy storage include thin films, polymer-based thick films, and ceramic materials 1,10,[13][14][15] [16] …
The improvement of crystallinity can promise higher maximum polarization, which is beneficial for the enhancement of energy storage density. This work can provide us with the influence law about how hot-pressing temperature affects the energy storage performance of PVDF films and guide us to do further researches.
The energy storage density of 0.75 vol.% NBT/PVDF composite material reaches 13.78 J/cm 3 at an electric field intensity of 380 kV/mm, which is about 1.87 of pure PVDF, and …
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