Poly(vinylidene fluoride) Flexible Nanocomposite Films with Dopamine-Coated Giant Dielectric Ceramic Nanopowders, Ba(Fe0.5Ta0.5)O3, for High Energy-Storage Density at Low Electric Field

Wang, Zhuo; Wang, Tian; Wang, Chun; Xiao, Yujia; Jing, Panpan; Cui, Yongfei; Pu, Yongping

doi:10.1021/acsami.7b08664

Cited by 88 publications

(39 citation statements)

References 52 publications

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“…2020, 6,1900698 three-phase structure of BFN/Ni/PVDF has shown ultrahigh ε of 475 due to co-contribution of interface polarization and intercrystallite barriers, demonstrating promising potential in ferroelectric energy storage fields. [156][157][158] Polymer thick film ferroelectrics have offered a new research hotspot in the last few decades, for the possibility of preparing flexible electron devices, which matches the current tendency. The greatest advantage for polymers beyond dielectrics is the higher E B , while the ε is rather low.…”

Section: Wwwadvelectronicmatdementioning

confidence: 98%

Progress, Outlook, and Challenges in Lead‐Free Energy‐Storage Ferroelectrics

Sun

Wang

Tian

et al. 2019

Adv Elect Materials

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208

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and Technology. His research direction is electronic functional materials, including designing and exploiting piezoelectrics, ferroelectrics, and pyroelectrics. Ge Wang is currently working as a PDRA in functional materials and devices group at the University of Sheffield, UK. He obtained his Ph.D. from the University of Manchester in 2017 then moved to the University of Sheffield. His research interests include dielectric ceramic capacitors, piezoelectrics, solid oxide fuel cells, and Li batteries.

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Section: Wwwadvelectronicmatdementioning

confidence: 98%

Progress, Outlook, and Challenges in Lead‐Free Energy‐Storage Ferroelectrics

Sun

Wang

Tian

et al. 2019

Adv Elect Materials

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208

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“…Two main strategies have been developed by researchers to enhance the dielectric permittivity [5,6,7,8,9,10,11,12]. One is incorporating ceramic fillers with intrinsically high dielectric constants (e.g., BaTiO 3 , Ba x Sr 1-x TiO 3 , CaCu 3 Ti 4 O 12 ) [13,14,15,16,17,18,19,20] into the polymer matrix; the other strategy is employing conductive fillers, including metals (e.g., Ag, Ni, Al) [21,22,23,24,25], carbon materials (e.g., carbon nanotubes, graphene) [26,27,28,29,30,31,32], semiconductors (e.g., ZnO) [33], and conductive polymers (e.g., polyaniline (PANI)) [34,35,36,37]. With ceramic/polymer composites, the merits of high ε r from ceramic fillers and high breakdown strength from polymers are combined.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Dielectric Performance of P(VDF-HFP) Composites with Satellite–Core-Structured Fe2O3@BaTiO3 Nanofillers

Jiang¹,

Zhao²,

Zhou³

et al. 2019

Polymers

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Polymer dielectric materials are extensively used in electronic devices. To enhance the dielectric constant, ceramic fillers with high dielectric constant have been widely introduced into polymer matrices. However, to obtain high permittivity, a large added amount (>50 vol%) is usually needed. With the aim of improving dielectric properties with low filler content, satellite–core-structured Fe2O3@BaTiO3 (Fe2O3@BT) nanoparticles were fabricated as fillers for a poly(vinylidene fluoride-co-hexafluoropropylene) (P(VDF-HFP)) matrix. The interfacial polarization effect is increased by Fe2O3 nanoparticles, and thus, composite permittivity is enhanced. Besides, the satellite–core structure prevents Fe2O3 particles from directly contacting each other, so that the dielectric loss remains relatively low. Typically, with 20 vol% Fe2O3@BT nanoparticle fillers, the permittivity of the composite is 31.7 (1 kHz), nearly 1.8 and 3.0 times that of 20 vol% BT composites and pure polymers, respectively. Nanocomposites also achieve high breakdown strength (>150 KV/mm) and low loss tangent (~0.05). Moreover, the composites exhibited excellent flexibility and maintained good dielectric properties after bending. These results demonstrate that composite films possess broad application prospects in flexible electronics.

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“…Chemical surface modifiers, e.g., saline coupling agent, dopamine, ethylenediamine, ammonium sulfate, phosphonic acid, have been extensively studied and employed to modify the polymer/filler interface in nanocomposites. The typical molecular structure of surface modifier is illustrated in Figure , which usually consists of three parts, a group to interact with particles (R particle ), a group to interact with polymer chains (R polymer ), and a middle connecting part (R).…”

Section: Interface Modification For Improved Interfacial Compatibilitymentioning

confidence: 99%

Superior Energy Storage Performances of Polymer Nanocomposites via Modification of Filler/Polymer Interfaces

Zhang

Dong

et al. 2018

Adv Materials Inter

200

112

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systems, they have numerous applications in various fields as pulsed power supply technology, [8,9] energy harvesting, [10][11][12] inverters, [13][14][15] and passive elements, [16][17][18] toward both defense and civil industries. Excellent energy storage capabilities of dielectric materials including high discharged energy density and high energy efficiency have long been eagerly pursued to meet the challenges and needs of the rapid development of modern industry, i.e., the low energy density of current dielectric materials results in overburdened capacitor volume and weight in electrical power systems. The energy storage performances of dielectric materials are usually multiply determined by three major electrical and dielectric parameters, which are categorized as:1) The breakdown strength E b ;2) The relative permittivity (also called dielectric constant) ε r or electric displacement D (the electric displacement is related to the polarization P by D = P + ε 0 E, here ε 0 = 8.85 × 10 −12 F m −1 is the vacuum permittivity); 3) The dielectric loss tanδ.In general, as illustrated in Figure 1, the discharged energy density of dielectric materials can be determined aswhere E is the applied electric field, and the energy efficiency is calculated by Dielectric polymer nanocomposites by integration of high-E b polymer matrix and high-D(ε r ) ceramic fillers have shown great potential for dielectric and energy storage applications in modern electronic and electrical systems. Interface between ceramic fillers and polymer matrix is considered as a predominant factor to determine the dielectric performances of the nanocomposites. This review analyzes the influence of the interface on dielectric responses and breakdown strength in the nanocomposites, and discusses the viability of current interface engineering strategies in improving their energy storage capabilities. Two scopes of current interface modification approaches are focused from both structural and functional considerations in the dielectric ceramics/polymer nanocomposites: first, the organic/inorganic interface compatibility can be modified to generate homogeneous dispersion of ceramic nanoparticles in polymer matrix, which is the premise of fully realizing the synergistic combination of advantages of polymer and ceramic fillers; second, regulated local electrical and dielectric behaviors in interface region enable the enhancement of dielectric properties (both high dielectric constant and high breakdown strength) in resultant nanocomposites. In the last part, some present challenges and future perspectives are proposed to utilize the interface strategy for developing high energy density ceramics/ polymer nanocomposites for dielectric and energy storage applications.

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Poly(vinylidene fluoride) Flexible Nanocomposite Films with Dopamine-Coated Giant Dielectric Ceramic Nanopowders, Ba(Fe_0.5Ta_0.5)O₃, for High Energy-Storage Density at Low Electric Field

Cited by 88 publications

References 52 publications

Progress, Outlook, and Challenges in Lead‐Free Energy‐Storage Ferroelectrics

Progress, Outlook, and Challenges in Lead‐Free Energy‐Storage Ferroelectrics

Enhanced Dielectric Performance of P(VDF-HFP) Composites with Satellite–Core-Structured Fe2O3@BaTiO3 Nanofillers

Superior Energy Storage Performances of Polymer Nanocomposites via Modification of Filler/Polymer Interfaces

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