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Ceramics capacitors, especially featuring antiferroelectric (AFE) structure, are widely used in pulsed power electronic systems due to distinctive high-power density and external field stability. Lead-free AFE material AgNbO 3 has seized substantial research attention owing to its unique temperature driven multi-level phase transitions, and many
Based on the above expectation, Bi 0.5 Na 0.5 TiO 3 (BNT) with high spontaneous polarization was selected as the matrix. Several ABO 3 oxides with wide bandgaps (SrTiO 3: E g = 3.2 eV [38], BaTiO 3: E g = 3.4 eV [39], CaTiO 3: E g = 3.8 eV [40]) were introduced into the matrix with the purposes to form equimolar HEESCs,
DOI: 10.1016/j.ceramint.2023.10.005 Corpus ID: 263635910 Enhanced energy storage performance of NaNbO3-based ceramics via band and domain engineering @article{Liang2023EnhancedES, title={Enhanced energy storage performance of NaNbO3-based ceramics via band and domain engineering}, author={Cen Liang and Chang Chun
Near-zero remanent polarization, high breakdown electric field, high saturation polarization and low electrical hysteresis are necessary conditions for antiferroelectric ceramics to obtain excellent energy storage performance. Here, Pb 0.925 Ba x La 0.075−x (Hf 0.6 Sn 0.4) 0.98125+x/4 O 3 lead-based antiferroelectric ceramics
BaTiO3 ceramics are difficult to withstand high electric fields, so the energy storage density is relatively low, inhabiting their applications for miniaturized and lightweight power electronic devices. To address this issue, we added Sr0.7Bi0.2TiO3 (SBT) into BaTiO3 (BT) to destroy the long-range ferroelectric domains. Ca2+ was introduced
The modified PLSZST ceramics exhibited exceptional energy storage performance, attributed to their remarkable energy storage efficiency and breakdown strength. Consequently, an ultrahigh recoverable energy density of 5.19 J/cm 3 and high η of 94.5% are achieved simultaneously in PLZST ceramics under a high applied electric
The BT-SBT-CT ceramics exhibit the high recoverable energy storage density of 4.0 J·cm^−3 under electric field of 480 kV·cm^−1. Its recoverable energy storage density varies by less than 8% in the temperature range of 30–150 °C, indicating good temperature stability of the energy storage performance.
Hence, an ultra-high recoverable energy density (7.6 J/cm 3) and a high efficiency (79 %) are simultaneously achieved in the Ag 0.64 Bi 0.12 NbO 3 ceramics under 52.2 kV/mm. Moreover, the excellent energy storage properties are accompanied with good temperature and frequency stability, with the variation of Wrec less than ± 15% (over
Lead-free relaxor ferroelectric ceramics have attracted extensive attention on account of their excellent energy storage properties. However, these ceramics still have some difficulties in improving the energy storage density, efficiency and stability.Herein, (1-x)BaTiO 3-xBi(Mg 2/3 Sb 1/3)O 3 (BT-xBMS, x = 0.08, 0.12, 0.16, and 0.20) ceramics
In this work, an ultrahigh W rec (14.3 J/cm 3) with an excellent energy efficiency (η) of 81.1% is obtained in (Pb 0.96 Sr 0.02 La 0.02)(Hf 0.9 Sn 0.1)O 3 AFE ceramic at electric field of 490 kV/cm, which is the maximum value reported in lead-based AFE
Number of annual publications of ceramic-based dielectrics for electrostatic energy storage ranging from 2011 to 2021 based on the database of "ISI Web of Science": (a) Union of search keywords including "energy storage, ceramics, linear, ferroelectric, relaxor 3
This work employs the conventional solid-state reaction method to synthesize Ba0.92La0.08Ti0.95Mg0.05O3 (BLMT5) ceramics. The goal is to investigate how defect dipoles affect the ability of lead-free ferroelectric ceramics made from BaTiO3 to store energy. An extensive examination was performed on the crystal structure, dielectric
Exploring environment-friendly energy storage ceramics simultaneously featuring large recoverable energy storage density (W rec), high-energy storage efficiency (ƞ), and excellent temperature stability is highly desirable for
Based on the above-mentioned considerations, Bi(Mg 2/3 Ta 1/3)O 3, as a endmember component, was designed to improve the energy storage properties of BT based ceramics. In this study, for further obtaining both high energy density and high E b value, NaTaO 3 (NT) with a centrosymmetric paraelectric phase was selected as an
The increase in energy consumption and its collateral damage on the environment has encouraged the development of environment-friendly ceramic materials with good energy storage properties. In this work, (1– x )Na 0.5 Bi 0.5 TiO 3 - x Ca(Mg 1/3 Nb 2/3 )O 3 ceramics were synthesized by the solid-state reaction method.
Lead-free bulk ceramics for advanced pulse power capacitors possess low recoverable energy storage density ( Wrec) under low electric field. Sodium bismuth
Sugarcane-derived biomimetic SiC ceramics are proposed for fast and efficient thermal energy storage based on a full-chain investigation from material to device. The biomimetic S–SiC ceramic skeletons, which inherit continuous honeycomb structures of sugarcane, provide good heat conduction channels and exhibit a high thermal
High-performance lead-free energy storage ceramic materials are one of the important materials for environmentally friendly electronic devices. Here, lead-free NaNbO 3 (NN)-based relaxor ceramics, NaNbO 3-xBiMg 0.5 Hf 0.5 O 3 (NN-xBMH, x = 0.05, 0.10, 0.15, and 0.20), were obtained by solid-state reaction method.
In light of the aforementioned, there is considerable room for development in the dielectric energy storage performance of BNBST-based ceramics under low electric fields. Hence, CeO 2 might be feasible for applying to further broaden the dielectric temperature window to fulfill X9R specification and improve energy storage capabilities
Materials offering high energy density are currently desired to meet the increasing demand for energy storage applications, such as pulsed power devices, electric vehicles, high-frequency inverters, and so on. Particularly, ceramic-based dielectric materials have received significant attention for energy storage capacitor applications
Fig. 2 (a) exhibits dielectric loss (tanδ) and ε r of BSZT-NBT ceramics, which decrease from 3192 and 0.027 (x = 0) to 1120 and 0.016 (x = 0.2), and then increase to 2522 and 0.081 (x = 0.6) with increasing NBT content at 1 kHz.The abnormal change in ε r indicates significant variations in the Curie temperature. . Temperature dependence of
In general, key metrics for evaluating the energy storage performance of dielectric materials primarily encompass energy storage density (W rec), efficiency (η), and thermal stability. Compared to organic dielectric materials and composite dielectrics, inorganic dielectric ceramics, with their decent temperature stability, have become a
Herein, SPS was used to further improve the energy storage properties of Na 0.7 Bi 0.1 Nb 0.9 Ta 0.1 O 3 ceramics through microstructure modulation. Ascribed to the microstructure modification, i.e. finer grain size, reduced porosity and pore size, and fewer oxygen vacancies, the Na 0.7 Bi 0.1 Nb 0.9 Ta 0.1 O 3 ceramics exhibit a high W
Miniaturization is the key for development of lightweight energy storage ceramics. Here, lead-free ceramics with the formula (1- x) (0.94Bi 0.5 Na 0.5 TiO 3
Based on the principle of sustainable development theory, lead-free ceramics are regarded as an excellent candidate in dielectrics for numerous pulsed power capacitor applications due to their outstanding thermal stability and environmental friendliness. However, the recoverable energy storage density (Wrec)
The crossover ferroelectrics of 0.9BST-0.1BMN ceramic possesses a high energy storage efficiency (η) of 85.71%, a high energy storage density (W) of 3.90 J/cm³, and an ultra-high recoverable
3 · Over the past decade, there has been a gradual increase in the number of studies on BNT-based energy storage ceramics. Xu et al. incorporated a linear dielectric CaTiO 3 into Bi 0.5 N a0.5 TiO 3 –xSrTiO 3 (BNST) ceramics, which delayed the saturation of the polarization and obtained high W rec of 7 J/cm 3 and η of 90.9% [8] .
In the present study, we have optimized the energy storage performance of ST-based ceramics by using a combined optimization strategy of structural engineering and microstructural regulation. High performance (Sr 1- x - y -2 φ Na y Bi x Ca φ φ )TiO 3 (reviated as z SNBCT, where represents the Sr vacancies) ceramics were thereby
Journal of the American Ceramic Society (JACerS) is a leading ceramics journal publishing research across the field of ceramic and glass science and engineering. Abstract A novel glass additive of 10Bi2O3‒5Li2O‒7.5Na2O‒7.5K2O‒21Nb2O5‒20.5SiO2‒10.5BaO‒11SrO‒4.5Al2O3‒0.5La2O3‒2TiO2
The development of ceramics with superior energy storage performance and transparency holds the potential to broaden their applications in various fields, including optoelectronics, energy storage
Dielectric energy storage materials with congenitally high power densities and ultrafast discharge rates have been extensively studied for emergent applications. As a typical and traditional dielectric material, paraelectric Ba 0.4 Sr 0.6 TiO 3 (BST) ceramic exhibits a moderate dielectric constant (ε r), low dielectric loss and slightly nonlinear P–E
In this paper, the Aurivillius phase relaxation ferroelectrics as Ban−3Bi4TinO3n+3 (n =4∽7) ceramics were in this work reaches a record high in NN-based energy storage ceramics. Especially
The electrostriction of the ceramics under a strong field was greatly reduced, a breakdown strength of 1000 kV cm −1 was obtained, and the energy-storage density was increased to 21.5 J cm −3. In the above, some performance improvement methods for Bi-based energy-storage ceramics have been proposed.
Bi0.5Na0.5TiO3 (BNT)-based lead-free ceramics with superior ferroelectric properties are considered to be extremely advantageous in energy storage capacitors for future green
According to the above analysis, the energy storage performance of these BNT-based ceramics is closely related to the domain structure, microstructure, defect
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