DOI: 10.1016/j.materresbull.2022.112024 Corpus ID: 252140430 Simultaneous excellent energy storage density and efficiency under applied low electric field for high entropy relaxor ferroelectric ceramics @article{Wang2022SimultaneousEE, title={Simultaneous ...
Simultaneously integrating outstanding energy storage performance and good temperature stability in advanced ferroelectrics is a promising strategy to boost the practical application for next-generation high-temperature pulse devices. However, these constrains cannot happen hand-in-hand, and the realization of high-performance dielectric capacitors …
The energy storage efficiency and the temperature-variant energy storage properties should be considered besides the energy density. In this work, we prepared (1 − x )(0.8NaNbO 3 –0.2SrTiO 3 ) − x Bi(Zn 0.5 Sn 0.5 )O 3 (abbreviated as (1 − x )(NN–ST) − x BZS) lead-free ceramics, where ion disorder is induced in the A–B sites.
Yangfei Gao 1 ... Dielectric energy-storage capacitors, known for their ultrafast discharge time and high-power density, find widespread applications in high-power pulse devices. However, ceramics featuring a tetragonal tungsten bronze structure (TTBs) have received limited attention due to their lower energy-storage capacity compared to ...
The Journal of Energy Storage focusses on all aspects of energy storage, in particular systems integration, electric grid integration, modelling and analysis, novel energy storage technologies, sizing and management strategies, business models for operation of storage systems and energy storage …. View full aims & scope.
Notably, the enhanced energy storage properties (W rec ∼ 3.38 J/cm 3, η ∼ 84.5 %) and desirable red-orange emission performance (λ em = 610 nm) were obtained for Sr 1.7 Sm 0.3 Ag 0.2 Na 0.8 Nb 4.7 Ti 0.3 O 15 ceramics.
Semantic Scholar extracted view of "Enhanced relaxation behavior and energy storage properties in (Al0.5Nb0.5)4+ complex ions modified Na0.5Bi0.5TiO3-based ceramics under low electric field" by Weiming Fan et al. ... Xiaopei Zhu Yangfei Gao +7 authors X. Lou. Materials Science, Physics. Nano Energy. 2022; 100.
Abstract In this article, optimized energy-storage density obtained at low electric field and accompanied with high efficiencies was achieved simultaneously by …
Dielectric energy-storage capacitors are of great importance for modern electronic technology and pulse power systems. However, the energy storage density (W rec) of dielectric capacitors is much lower than lithium batteries or supercapacitors, limiting the development of dielectric materials in cutting-edge energy storage systems.This …
The piezoresponse force microscopy results reveal that the introduced Bi(Zn2/3Nb1/3)O3 disrupts the microdomains of (Bi0.5TiO3)-based ceramics and promotes the formation of nanodomains, leading to enhanced energy storage properties, which may arouse interest in developing low-field high-performing dielectric capacitors for energy …
Energy storage is the capturing and holding of energy in reserve for later use. Energy storage solutions for electricity generation include pumped-hydro storage, batteries, flywheels, compressed-air energy storage, hydrogen storage and thermal energy storage components. The ability to store energy can reduce the environmental …
Simultaneously integrating outstanding energy storage performance and good temperature stability in advanced ferroelectrics is a promising strategy to boost the practical …
Na0.5Bi0.5TiO3 (NBT) ceramic is the promising dielectric material for energy storage devices due to its high maximum polarizability and temperature stability. However, its low breakdown strength limits its …
Hybrid supercapacitors are considered the next-generation energy storage equipment due to their superior performance. In hybrid supercapacitors, battery electrodes need to have large absolute capacities while displaying high cycling stability. However, enhancing areal capacity via decreasing the size of electrode materials results in …
Na0.5Bi0.5TiO3 (NBT) ceramic is the promising dielectric material for energy storage devices due to its high maximum polarizability and temperature stability. However, its low breakdown strength limits its application. Here, we prepared 0–3 type composite 0.45Na0.5Bi0.5TiO3-0.55Sr0.7Bi0.2TiO3/x wt % AlN (NBT-SBT/xAlN) to …
Energy storage is the capture of energy produced at one time for use at a later time [1] to reduce imbalances between energy demand and energy production. A device that stores energy is generally called an accumulator or battery. Energy comes in multiple forms including radiation, chemical, gravitational potential, electrical potential ...
Achieving Ultrahigh Energy-Storage Density with Excellent Thermal Stability in Sr 0.7 Bi 0.2 TiO 3-Based Relaxors via Polarization Behavior Modulation ACS Appl Mater Interfaces . 2022 Oct 5;14(39):44389-44397. doi: 10.1021/acsami.2c11871.
Lou, Xiaojie. Publication: Journal of Materials Science. Pub Date: July 2021. DOI: 10.1007/s10853-021-06075-x. Bibcode: 2021JMatS..5611922L.
Ferroelectric ceramics, as a potential candidate for high-power energy storage capacitors, lies in their excellent recoverable energy storage density (Wrec) and outstanding efficiency (η) in practical applications. Herein, a new type of lead-free ceramics (1-x)(Na0.5Bi0.5)0.65Sr0.35TiO3-xBiMg0.5Sn0.5O3 or (1-x)NBST-xBMS was prepared with …
A high recoverable energy-storage density of 3.85 J cm−3 and an energy-storage efficiency of 85.3% under an applied electric field of 305 kV cm−1 are acquired in 0.5NBT-0.5SNT ceramic.
Although many excellent studies have been carried out on energy-storage dielectric materials, the explanation of their macroscopic electrical properties from the microscopic point of view remains scarce. In this work, (1-x)Bi 0.5 Na 0.5 TiO 3 -xSr 0.7 La 0.2 Zr 0.15 Ti 0.85 O 3 ((1-x)BNT-xSLZT) relaxor ceramics are designed and fabricated ...
, Yangfei Gao, Xiaojie Lou, Yaodong Yang, Yanhua Hu, Guojun Zhang, Shaodong Sun ... (SBN) ferroelectric ceramics were prepared, which shows a satisfied recoverable energy storage density (W rec ∼6.23 J cm −3) at 470 kV/cm at room temperature and ...
Enhanced energy storage performance in Sr0.7La0.2Zr0.15Ti0.85O3-modified Bi0.5Na0.5TiO3 ceramics via ..., author={Ruirui Kang and Zepeng Wang and Weijie Yang and Xiaopei Zhu and Liqiang He and …
Ferroelectric ceramics, as a potential candidate for high-power energy storage capacitors, lies in their excellent recoverable energy storage density (W rec) and outstanding efficiency (η) in practical applications.Herein, a new type of lead-free ceramics (1-x)(Na 0.5 Bi 0.5) 0.65 Sr 0.35 TiO 3-xBiMg 0.5 Sn 0.5 O 3 or (1-x)NBST-xBMS was …
Key factors to improve energy storage properties such as the control of local structure, phase assemblage, dielectric layer thickness, microstructure, conductivity, and electrical homogeneity through the choice of base systems, dopants, and alloying additions are discussed.
Semantic Scholar extracted view of "Significantly enhanced energy-storage properties of Bi0.47Na0.47Ba0.06TiO3-CaHfO3 ceramics by introducing Sr0.7Bi0.2TiO3 for pulse capacitor application" by C. Luo et al. ... W. Cao Yangfei Gao +5 authors Weili Li. Materials Science, Engineering. Ferroelectrics.
Yangfei Gao is a Ph.D. candidate in Frontier Institute of Science and Technology, Xi''an Jiaotong University. He received his B.S. degree in Xi''an University of …
The 0.65(Bi0.5Na0.5)TiO3–0.35SrTiO3-based materials are essential for the development of pulse power capacitors. However, their low recoverable energy storage density and breakdown field strength have hindered further improvement. To address this, a high-entropy strategy based on multiscale regulation is proposed, which involves synergistically …
Developing high-performance dielectric capacitors is essential to meet the growing demands of hybrid electric vehicles and high-power applications. The energy storage efficiency and the temperature-variant energy storage properties should be considered besides the energy density. In this work, we prepared (1 − x)(0.8NaNbO3–0.2SrTiO3) − …
Dielectric energy storage materials are becoming increasingly popular due to their potential superiority, for example, excellent pulse performance as well as good fatigue resistance. Although numerous studies have focused on lead-free dielectric materials which possess outstanding energy storage characteristics, the results are still not satisfying in terms of …
Under an electric field of 238 kV/cm, it maintains a slender loop, advantageous for high-energy storage. The abundant presence of Bi 3+, Na +, and Ti 4+ substantially boosts spontaneous polarization and enhances the breakdown field in high entropy BaSrCaBiNa, endowing it with the characteristics of a relaxed ferroelectric.
Permeability: The Driving Force That Influences the Mechanical Behavior of Polymers Used for Hydrogen Storage and Delivery. This article explores the main mechanisms that can generate damage in polymers and polymer-based materials used for hydrogen storage and distribution infrastructures. All of these mechanisms are….
Semantic Scholar extracted view of "Relaxor Nature and Energy Storage Properties of Sr2–xMxNaNb5–xTixO15 (M = La3+ and Ho3+) Tungsten Bronze Ceramics" by Lei Cao et al. ... Bian Yang Yangfei Gao +9 authors Xiaojie Lou. Engineering, Materials Science. Composites Part B: Engineering. 2024; 1.
More importantly, energy storage potential (defined as W rec /E b) is up to 0.01649 μC/cm 2, being the highest value reported so far for BNT-based ceramics in energy-storage application. Our results pave the way for practical applications of NBST-based ferroelectric capacitors with excellent energy storage performance.
Semantic Scholar extracted view of "Achieving High Energy Storage Density and Efficiency Simultaneously in Sr(Nb0.5al0.5) ... Xiaopei Zhu Yangfei Gao +7 authors X. Lou Materials Science, Physics Nano Energy 2022 103 Save Antiferroelectric stability and ...
Semantic Scholar extracted view of "Enhanced relaxation behavior and energy storage properties in (Al0.5Nb0.5)4+ complex ions modified Na0.5Bi0.5TiO3-based ceramics under low electric field" by Weiming Fan et al.
Dielectric energy-storage capacitors, known for their ultrafast discharge time and high-power density, find widespread applications in high-power pulse devices. However, ceramics featuring a tetragonal tungsten bronze structure (TTBs) have received limited attention due to their lower energy-storage capacity compared to perovskite counterparts.
The excellent temperature stability of the energy storage performance is explained by the polarization reversal dynamics via Vopsaroiu model. This work highlights …