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In the blend structure, the charge–discharge efficiency (Fig. 5b) of PVDF/PMMA composites was greatly improved to 75% while compared with pure PVDF films. In Fig. 5c, the …
We successfully fabricated free-standing PVDF homopolymer films with relaxor-like behaviour and a giant discharged energy density of 39.8 J/cm 3 at an ultrahigh E b of 880 …
BT/PVDF composite film reached 62 at 100 Hz, which was nearly 6.8 times higher than that of pure PVDF. The maximum energy storage density was 6.916 J/cm3. Compared with the …
Abstract In recent years, polyvinylidene fluoride (PVDF) and its copolymer-based nanocomposites as energy storage materials have attracted much attention. This paper …
The decreased polarization at the higher filler content might be due to the formation of a conductive path induced by Ag nanoparticles with a shorter distance. The most …
We have successfully fabricated large area free standing polyvinylidene fluoride -Pb(Zr 0.52 Ti 0.48)O 3 (PVDF-PZT) ferroelectric polymer-ceramic composite (wt% 80–20, …
The energy density is usually increased by reducing the energy loss. Storage density, energy storage efficiency, breakdown strength, dielectric constant and dielectric loss …
Polyvinylidene fluoride (PVDF) film with high energy storage density has exhibited great potential for applications in modern electronics, particle accelerators, and pulsed lasers. Typically, dielectric/ferroelectric …
Poly(vinylidene fluoride) (PVDF) polymers have garnered significant interest due to their dielectric tunability and applications in micro-electric high-power systems. However, …
According to the energy storage theory U = 1 2 ε ′ ε 0 E b 2, the energy storage density of dielectric materials is proportional to their dielectric constant (ε′) and breakdown …
This work can provide valuable insights into the optimization of the fabrication process to achieve superior energy storage performance in PVDF films. Poly(vinylidene …
BT–PVDF composite thick films with different volume fractions of BT (0%, 7%, 15%, and 30%) were deposited by spin-coating onto Pt/SiO2/Si substrates. The effects of the …
Because of the precisely controllable film thickness and the predominance of electroactive β crystals in PVDF LB nanofilms, one can clarify the ferroelectric behaviors and …
The diversity of dielectric behavior also results in the difference of energy storage efficiency when the PVDF film is used as energy storage films, such as pulse energy …
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 …
Polyvinylidene fluoride (PVDF) is known as a favorite polymer from the family of fluoropolymers due to its excellent piezoelectric properties, thermal stability, and mechanical …
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 …
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. …
With the in-depth study of polymer nanodielectric structure, it is found that in addition to the molecular design of nanodielectric, the microstructure design of polymer …
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 …
The typical crystalline phases of PVDF are classified as α, β, and γ phases [20], [21].The film-forming process can induce the formation of different crystalline phase structures in PVDF film …
Ceramic-polymer nanocomposites exhibit good dielectric constant, low dielectric loss and excellent storage capacity for energy. A spin-coating method was used to create 30 …
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