Lead-free dielectric ceramic capacitors have wide applications in pulsed power systems due to their high power density. In this study, (0.95-x)Na0.5Bi0.5TiO3-0.05BaZrO3-xBi(Li0.5Nb0.5)O3(BNT-BZ-xBLN) ceramics were successfully prepared by solid-state methods, and their structural, dielectric, and energy storage properties were …
Get a quoteEffect of Mn-doping on dielectric and energy storage properties of (Pb 0.91 La 0.06)(Zr 0.96 Ti 0.04)O 3 antiferroelectric ceramics Author links open overlay panel Peixin Qiao a, Youfeng Zhang a, Xuefeng Chen b, Mingxing Zhou b, Genshui Wang b, Xianlin Dong b ...
Get a quoteThe impacts of different B-site Me ions on the crystalline structure, permittivity stability, energy density, and energy storage efficiency of these ceramics were studied. The XRD results revealed that the mixed tetragonal (T) and pseudo cubic (pC) phase structure was obtained for all the samples.
Get a quoteDielectric constant of the composites filled by BT-NWs was improved at low volume fraction (≤10 vol%) and the influence of BT-NWs on the dielectric properties under band (10 2 –10 7 Hz) has been studied. The …
Get a quoteIntroducing high dielectric constant ceramics into polymers can improve the dielectric constant and energy storage performance of composites without reducing the breakdown resistance of polymers. The remnant polarization of the antiferroelectric material is very small, and it has a high saturation polarization, which is beneficial to improving the …
Get a quoteThe effect of synthesis techniques, dielectric properties, ferroelectric characteristics, and breakdown strength on the energy storage properties have been reviewed. This review primarily emphasizes on the key strategies and analytical models for enhancing energy density and energy efficiency of various BaTiO 3 based materials.
Get a quoteOn the one hand, the energy storage density (5.09 J cm −3 ) of the TiO 2 /PI nanocomposite with 1 wt% nanofillers at ambient temperature, is 500% higher than that of the BaTiO 3 nanowires/PI ...
Get a quoteBa0.85Ca0.15Zr0.1(Ti1−xCox)0.9O3 (BCZT–xCo) (x = 0, 0.02, 0.04, 0.08) were prepared by sol–gel method, and the effects of Co doping on the microstructure, dielectric, and energy storage properties of ceramics were studied. The results show that Co is doped into the B site and does not cause an obvious change in ceramic phase …
Get a quoteFor the next-generation high energy density capacitors, it is essential to develop dielectric materials with a high dielectric constant, low loss, high breakdown field, and a low cost for advanced electronic devices and electric power systems. 1–4 The value of energy storage density in a dielectric material is strongly dependent on the dielectric …
Get a quoteUltrahigh electric breakdown strength, excellent dielectric energy storage density, and improved electrocaloric effect in Pb-free (1-x)Ba(Zr 0.15 Ti 0.85)O 3-xNaNbO 3 ceramics Author links open overlay panel Simeng Song a, Yan Jiao a, Fukang Chen a, Xinyu Zeng a, Xinran Wang a, Shuai Zhou a, Taotao Ai b, Gang Liu a, Yan Yan a
Get a quoteDOI: 10.1016/j.physb.2022.414244 Corpus ID: 251484520 Effect of Mg substitution on microstructural, dielectric, ferroelectric and energy storage properties of BaTiO3 @article{Borkar2022EffectOM, title={Effect of Mg substitution on microstructural, dielectric, ferroelectric and energy storage properties of BaTiO3}, author={Shilpa N. Borkar and V …
Get a quoteHighlights. •. A molecular model of dielectric polymer-coated supercapacitor is proposed. •. The integral capacitance shows over 50% improvement at low voltages. •. Two transitions induced by reorientation of dipoles are clarified. •. A microscale energy storage mechanism is suggested to complement experimental explanations.
Get a quoteIn addition to ε′, E b is a significant factor to evaluate the dielectric property and energy storage performance of certain a dielectric. Since the electric field distribution in the double-layer composites will impact significantly the overall E b of them, the local electric field distribution simulations in the double-layer composites via finite element …
Get a quoteEnergy depletion is one of the significant threats to global development. To increase the usability of clean energy, the energy storage performance of dielectric materials must be urgently enhanced. Semicrystalline ferroelectric polymer (PVDF) is the most promising candidate for the next generation of flexible dielectric materials thanks to …
Get a quoteEffect of Mn-doping on dielectric and energy storage properties of (Pb 0.91 La 0.06)(Zr 0.96 Ti 0.04)O 3 antiferroelectric ceramics Author links open overlay panel Peixin Qiao a, Youfeng Zhang a, Xuefeng Chen b …
Get a quoteIn this paper, we first introduce the research background of dielectric energy storage capacitors and the evaluation parameters of energy storage performance. Then, the …
Get a quoteThe electric breakdown strength (Eb) is an important factor that determines the practical applications of dielectric materials in electrical energy storage and electronics. However, there is a tradeoff between Eb and the dielectric constant in the dielectrics, and Eb is typically lower than 10 MV/cm. In this work, ferroelectric thin film …
Get a quoteDielectric ceramic capacitors, with the advantages of high power density, fast charge-discharge capability, excellent fatigue endurance, and good high temperature stability, have been acknowledged to be promising candidates for solid-state pulse power systems. This review investigates the energy storage performances of linear dielectric, …
Get a quoteDue to high power density, fast charge/discharge speed, and high reliability, dielectric capacitors are widely used in pulsed power systems and power electronic systems. However, compared with other energy storage devices such as batteries and supercapacitors, the energy storage density of dielectric capacitors is low, which results …
Get a quoteElectrical energy storage capability. Discharged energy density and charge–discharge efficiency of c-BCB/BNNS with 10 vol% of BNNSs and high- Tg polymer dielectrics measured at 150 °C (A, B), 200 °C (C, D) and 250 °C (E, F). Reproduced from Li et al. [123] with permission from Springer Nature.
Get a quoteDielectric polymers are widely used in electrostatic capacitors for the well-recognized advantages such as high-voltage endurance, low energy loss and great reliability 1,2.The building up of ...
Get a quoteAmong various dielectric materials, polymers have remarkable advantages for energy storage, such as superior breakdown strength ( Eb) for high-voltage …
Get a quoteBi2Mg2/3Nb4/3O7 (BMN) thin films are prepared on Pt–Si substrates by magnetron sputtering, the influence of oxygen on dielectric and energy storage properties of BMN thin films is systematically studied. Under the optimal oxygen argon ratio, the BMN thin films show an acceptable dielectric constant of 161 and low loss of 0.0032. With the …
Get a quoteDielectric capacitors have garnered significant attention in recent decades for their wide range of uses in contemporary electronic and electrical power systems. The integration of a high breakdown field polymer matrix with various types of fillers in dielectric polymer nanocomposites has attracted significant attention from both …
Get a quoteBesides the favorable influence of the naphthalene ring and trifluoromethyl groups, they further analyzed the relationship between polymer structure and intrinsic energy storage properties. High-resolution X-ray diffraction (XRD) and DFT revealed that PNFA has the most obvious curly-packed structure ( Fig. 8 e), which resulted in the …
Get a quoteWith the fast development of the power electronics, dielectric materials with high energy-storage density, ... Effect of MgO doping on energy storage and electrocaloric properties of ferroelectric 0.6Ba(Zr0.2Ti0.8)O3–0.4(Ba0.7Ca0.3)TiO3 ceramics N.S. Kiran ...
Get a quoteThe energy storage of BST ceramics have been researched by several groups [8], [9], [10]. However, there have been no reports on the energy storage of SiO 2 added BST ceramics yet. In this work, the effect of …
Get a quoteNature Communications - High-entropy ceramic dielectrics show promise for capacitive energy storage but struggle due to vast composition possibilities. Here, the …
Get a quoteDielectric capacitors with high energy storage performance are highly needed parts in modern electronic devices. In this work, we realized high energy storage performance by regulating the electron transport based on the barrier height in the sandwich structures of Ba(Hf 0.17 Ti 0.83 )O 3 (BHT) and 0.85BaTiO 3 –0.15Bi(Mg 0.5 Zr 0.5 ...
Get a quoteThe high-temperature cycling characteristics of the composite dielectric show that the composite dielectric with 0.25 vol% ITIC has the highest energy storage …
Get a quoteThe effect of silver deficiency on structure, dielectric properties and energy storage performance was investigated. As x value decreased from 1 to 0.94, the unit volume of Ag x NbO 2.5+ x /2 ceramics contracted.
Get a quoteExploring low content of nano-sized fillers to enhance dielectric energy storage can minimize the process difficulty in dielectric film manufacturing. This review …
Get a quotePolymer dielectrics with unique advantages of high electrical breakdown strength and high-power energy storage are very essential in the development of advanced thin-film capacitors. Herein, nanocomposite film capacitors with maleic anhydride functionalized polypropylene (PP-g-MAH) as matrix and organic Na+-MMT (org-MMT) as …
Get a quoteThe large dielectric response in the multiphase coexisting point can be understood by considering the contributions of dielectric activities using Rayleigh analysis 28,29,30,31,32,33,34,35,36,37 ...
Get a quoteThe effect of barium content on phase development, dielectric property and energy storage performance of (Pb 0.925−x La 0.05 Ba x) (Zr 0.52 Sn 0.39 Ti 0.09)O 3 (PLBZST) ceramics synthesized by a solid state reaction method was investigated.
Get a quoteThe 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 capacitor dielectric films. So, it is important to investigate the influence of crystal structure on dielectric property and energy storage efficiency of PVDF to fabricate …
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