With the development of science and technology, high performance capacitors occupy an increasingly important position in the defense industry, new energy field and other aspects [1,2,3], electrostatic energy storage depends on the polarization process of dielectric materials dipoles, which requires dielectric materials to have high …
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This means that PVDF fibers reinforced PMMA all-organic composites are successfully constructed, and the dielectric energy storage is also significantly improved …
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The composites with less hysteresis have good energy storage properties [24]. In this paper we report dielectric, polarization and energy storage behaviour of PVDF-CCTO nanocomposite films. The CCTO filler are nanosized powder in …
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In order to effectively store energy and better improve the dielectric properties of polyvinylidene fluoride (PVDF), this article uses hydrothermal synthesis to …
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The results show the BZCT@SiO 2 /PVDF composites with a 3% volume fraction filling exhibit excellent energy storage performance, with a breakdown strength of 576 MV/m, a discharge energy density of 18.9 J/cm …
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Polymer-ceramic nanocomposite films using double perovskite ceramic phase offer promising prospects for developing multifunctional flexible films in general and energy storage system in specific. The manganese and iron-based double perovskite is emerging as potential system for various functional applications. In the present attempt, …
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The improvement in the dielectric properties and electrical performance improved the energy storage capability of Ni@BT/PVDF nanocomposites. The dielectric constant varied from 8.07 to 16.71 with the decrease of dielectric loss from 0.032 to 0.029 at 1 kHz when the Ni@BT content increased from 0 vol% to 13 vol%. Moreover, the …
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Besides, the energy storage density of 2D-BPB, 0D-BPB and PVDF layered structure composite decreases by 35.8 %, 37.1 % and 48.9 %, respectively when the hygrothermal aging time is 480 h. As for the energy storage efficiency, the hygrothermal aging time has little influence on 2D-BPB layered composites.
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The energy storage performance of PMMA/PVDF@PCBM composite dielectrics was analyzed in relation to the electric field, and the results are shown in Fig. 4. It was observed that under the same electric field, the U e initially decreases, and then increases with an increase in PCBM loading, which is consistent with the polarization …
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Polyvinylidene fluoride (PVDF) is known as a favorite polymer from the family of fluoropolymers due to its excellent piezoelectric properties, thermal stability, and mechanical strength. It has a good processability, and it also possess chemical resistance property to different materials such as different acids, bases, organic solvents, oil, and fat. The …
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The mechanical properties of PVDF and 5 wt% TiO 2 @SrTiO 3 @PDA NWs/PVDF NC with excellent energy storage performance were investigated. Figure 13 …
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Enhanced dielectric properties of three phase dielectric MWCNTs/BaTiO 3 /PVDF nanocomposites for energy storage using fused deposition modeling 3D printing Author links open overlay panel Hoejin Kim a, Jeffrey Johnson b, Luis A. Chavez a, Carlos A. Garcia Rosales c, Tzu-Liang Bill Tseng d, Yirong Lin a
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This paper systematically reviewed the research progress of energy storage characteristics of polyvinylidene fluoride (PVDF)-based nanodielectric with …
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The superior energy storage performance of Roll & Pressed PVDF surpasses those of all other polymer-based materials reported. Additionally, a ready-to-use capacitor is assembled using the Roll & Press technique …
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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 …
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The increasing energy problem and the demand of environmental protection raise higher requirements for the development of clean energy. Dielectric capacitors have attracted lots of attention as a supporting facility of energy storage and conversion for clean energy, but their further development is limited by the low energy …
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The maximum discharged energy density of 10.3 J/cm 3 was obtained in 7.4 wt. % silicone oil modified P(VDF-HFP) films at the external electric field of 398 kV/mm. The Gibbs energy, miscibility, and phase behavior of binary mixture of P(VDF-HFP) silicone oil were investigated using molecular simulations and the extended Flory–Huggins model ...
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Bingcheng Luo, Xiaohui Wang, Hui Sun, Longtu Li; Dielectric, ferroelectric, and thermodynamic properties of silicone oil modified PVDF films for energy storage application. Appl. Phys.
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In addition, the composite of 3DBT–2 exhibited the highest discharge energy density of 1.6 × 10−3 J·cm−3 under 3 kV·mm−1, which was nearly 4.5 times higher than that of neat PVDF.
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PVDF-based dielectric composite films with excellent energy storage performances by Design of Nanofibers Composition Gradient Structure ACS Applied Energy Materials., 1 ( 11 ) ( 2018 ), pp. 6320 - 6329
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The maximal energy-storage d. in the nanocomposite with 2.5 vol% BT NF-APS is about 5.6 J/cm3 at 3300 kV/cm, which is over 220% higher than that of the PVDF at the same elec. field. The enhanced energy-storage d. could be attributed to the combined effects of the APS surface modification, large aspect ratio and ferroelec. polarization behavior of the BT …
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Abstract In recent years, polyvinylidene fluoride (PVDF) and its copolymer-based nanocomposites as energy storage materials have attracted much attention. This paper summarizes the current research status of the dielectric properties of PVDF and its copolymer-based nanocomposites, for example, the dielectric constant and breakdown …
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PVDF polymer and BT ceramics are piezo-, pyro- and di-electric materials extensively used for sensor and energy storage/harvesting applications due to their unique characteristic of dipole polarization. To increase dielectric property, CNTs have been recently utilized for uniform dispersion of BT nanoparticles, ultrahigh polarization density ...
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Our work focuses on virgin, commercially available and inexpensive PVDF homopolymers, and demonstrates a facile and scalable processing route to obtain an …
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Moreover, with the synergistic effect of the antiferroelectric filler AgNbO 3, the breakdown strength of AgNbO 3 /PVDF/PMMA composites reaches 430 kV mm −1, and the energy storage density reaches 14.35 J cm −3.
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PVDF-based energy-harvesting device was developed using PVDF as the piezoelectric element and Fe 64 Co 17 Si 7 B 12 as amorphous magnetostrictive ribbons [86, 87]. Metglas/PVDF laminate nanocomposites have proved to be very demanding these days; thus, much attention has been paid to this field after the release of its first report [ 84 ].
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In order to effectively store energy and better improve the dielectric properties of polyvinylidene fluoride (PVDF), this article uses hydrothermal synthesis to prepare spherical Na0.5Bi0.5TiO3 (NBT) particles, and the obtained KH550-NBT was filled into PVDF matrix. The effects of NBT nanoparticles content on the microstructure, …
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PVDF-TrFE films with 0.1 wt.% AGO demonstrate voltage coefficient, energy density, and energy-harvesting figure of merit values of 0.30 Vm N −1, 4.75 J cm −3, and 14 pm 3 J −1, respectively, making it outstanding compared with …
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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 …
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Since the ability of ionic liquid (IL) was demonstrated to act as a solvent or an electrolyte, IL-based electrolytes have been widely used as a potential candidate for renewable energy storage devices, like lithium ion batteries (LIBs) and supercapacitors (SCs). In this review, we aimed to present the state-of-the-art of IL-based electrolytes …
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The energy density of the 2 wt% AgNbO3/PVDF composite film was raised to 16.5 J/cm3 at the electric breakdown strength of 391.7 MV/m, and its energy storage capacity is two to three times that of ...
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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 its energy storage efficiency is above 64 %.
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The increasing energy problem and the demand of environmental protection raise higher requirements for the development of clean energy. Dielectric capacitors have attracted lots of attention as a supporting facility of energy storage and conversion for clean energy, but their further development is limited by the low energy …
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In polymer-in-salt PVDF-HFP/LiFSI/LLZTO composite SSE, Li + hopping transmission in specific LiFSI network is dominant and thereby resulting in intrinsic ionic conductivity of >10 −3 S cm −1 at room temperature (25 °C), much higher than other Li salt-based polymer-in-salt electrolytes. Beside, LLZTO filler further enhances the mechanical …
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