Lead-free ceramics with prominent energy storage properties are identified as the most potential materials accessed in the dielectric capacitors. Nevertheless, high recoverable energy storage density ( W rec ), large energy storage efficiency ( η ) and preferable temperature stability can hardly be met simultaneously.

In this study, potassium bismuth titanate–barium titanate (KBT–BT)-based lead-free piezoelectric perovskite ceramic material is synthesized via conventional solid state reaction method. The structural, morphological, ferroelectric, piezoelectric and dielectric properties are analyzed using suitable characterizations and their potential for

T-3.5BHT ceramic is highly competitive in both lead-free piezoelectric ceramics and commercial energy storage density and efficiency of lead-free dielectrics with sandwich structure. Small 20

The bottleneck is how to modify BBNT to obtain high energy storage efficiency and low time delay. According to previous results, relaxor ferroelectric materials can be divided into three stages when cooling [25].As shown in Fig. 1, below the Burns temperature (T B), there are movable highly dynamic nanoscale polar regions (PNRs)

The lead-free Ba0.85Ca0.15Zr0.10Ti0.90O3 (BCZT) relaxor ferroelectric ceramic has aroused much attention due to its enhanced piezoelectric, energy storage and electrocaloric properties. In this study, the BCZT ceramic was elaborated by the solid-state reaction route, and the temperature-dependence of the structural

BF-based ceramic materials are considered as potential lead-free energy storage materials due to their theoretical high saturation polarization intensity and high Curie temperature [25, 26]. However, the volatilization temperature of Bi 2 O 3 is low (∼825 °C), and the actual sintering temperature is often much higher than this temperature.

The 0.97BNKT-0.030ST ceramics showcase exceptional energy storage capacity, marked by an elevated energy storage density (W) of 0.26 J/cm 3 and a notable energy storage efficiency of 58 %. This study suggests the promising application potential of lanthanum-doped BNKT-ST ceramic capacitors, which are lead-free and exhibit high

A giant Wrec ~10.06 J cm−3 is realized in lead-free relaxor ferroelectrics, especially with an ultrahigh η ~90.8%, showing breakthrough progress in the

Bi–Na–K–TiO 3 and K–Na–NbO 3 lead-free piezoceramics have been widely used in next-generation advanced pulsed-power capacitors owing to their

In this study, the viscous polymer processing (VPP) technique is implemented to optimize the characteristics of bulk (1-x)BaTiO 3-xBi(Mg 0·5 Ti 0.5)O 3 (BT-xBMT) lead-free relaxor ferroelectric ceramics, with a focus on enhancing the recoverable energy storage density (W rec), improving breakdown strength resistance (E b), and

It can be used in the development of novel lead-free materials with high piezoelectric, electrocaloric and energy storage properties [[14], [15], [16]]. However, BaTiO 3 ceramics display a low dielectric constant, sharp ferroelectric-paraelectric phase transition at higher Curie temperature, T c = 120 °C, and low piezoelectric coefficient, d

The lead-free Ba0.85Ca0.15Zr0.10Ti0.90O3 (BCZT) relaxor ferroelectric ceramic has aroused much attention due to its enhanced piezoelectric, energy storage and

The piezoelectric, electrocaloric and energy storage properties were systemically investigated in lead-free Bi 0.5 (Na 1-x K x) 0.5 TiO 3 ceramics from room temperature to high temperature region. These ceramics can be poled completely to obtain large piezoelectric coefficient (104–153 pC/N) at low electric field of ~30 kV/cm.

In this work, La2O3-doped (1 − x) Bi 0.5(Na0.84K0.16)0.5TiO3–xSrTiO3 ceramics where x varies from 0.000 to 0.030 mol%, synthesized by solid-state reaction technique. The La2O3-doped BNKT–ST ceramics exhibit pure perovskite structures with a tetragonal (P4bm) phase structure. Computational structural properties of ceramics were

After recognizing AgNbO 3 as a lead-free alternative for energy storage materials, many studies have attempted to improve its antiferroelectric stability through chemical modification. Although AgNbO 3 ceramics have both ferroelectric and antiferroelectric properties, their antiferroelectric energy storage properties are currently

High-performance lead-free bulk ceramics for electrical energy storage applications: design strategies and challenges. Journal of Materials Chemistry A 2021, 9 (34), 18026

Ceramic-based capacitors have attracted great interest due to their large power density and ultrafast charge/discharge time, which are needful properties for pulsed-power devices. Antiferroelectric ceramics normally show ultrahigh energy density and relatively low efficiency, which is ascribed to the electric field-induced

In addition to the piezoelectric effect, other electrical properties including ECE and energy-storage properties have also been considered in KNN-based ceramics. Its ECE can be increased from 0.48 to 1.9 K via chemical modification; an enhanced ΔT of 3.33 K (345 K) has been observed in nanocrystalline ceramics, and a negative ECE was

The lead-free sodium bismuth titanate (BNT) system has been extensively investigated in the past decade due to its multi-functional electro-active pro

High recoverable energy density (10 J cm −3) multilayers have been fabricated from lead-free 0.61BiFeO 3-0.33(Ba 0.8 Sr 0.2)TiO 3-0.06La(Mg 2/3 Nb 1/3)O 3 ceramics. High breakdown strength > 730 kV cm -1 was achieved through the optimisation of multilayer processing to produce defect-free dielectric layers 7 μm thick.

This perspective provides an overview of key advances related to the structures and properties of lead-free piezoelectrics, including (K,Na)NbO 3, BaTiO 3, Bi 0.5 Na 0.5 TiO 3, and BiFeO 3.

Therefore, developing novel lead-free antiferroelectric ceramics with superior energy storage properties are essential and vital. NaNbO 3 (NN) is another well-documented lead-free antiferroelectric compound, which is attributed to the antiparallel displacements of the Nb 5+ ions in successive pairs of oxygen layers [ 15, 16 ].

Piezoelectric ceramics with high strain can convert electrical energy and mechanical energy into each other for a wide range of applications. (1-x)Bi 0.5 Na 0.5 TiO 3-x(0.5Ba 0.7 Ca 0.3 TiO 3-0.5BaTi 0.8 Zr 0.2 O 3) (BNT-x (BCT-BZT)) lead-free piezoelectric ceramics were prepared through solid-state reaction methods.

To maintain the significant development of the ecological society, proper attention on Bi0.5Na0.5TiO3 (BNT) based perovskites has been directed toward the analysis of electrical energy storage in past decades. This article aims to provide a comprehensive analysis of lead-free BNT based materials for piezoelectric detectors, sensors, shape

The lead-free Ba 0.85 Ca 0.15 Zr 0.10 Ti 0.90 O 3 (BCZT) relaxor ferroelectric ceramic has aroused much attention due to its enhanced piezoelectric, energy storage and electrocaloric properties. In this study, the BCZT ceramic was elaborated by the solid-state reaction route, and the temperature-dependence of the structural, electrical,

In particular, sodium bismuth titanate (NBT) is an extensively studied lead-free piezoelectric ceramic system identified as a potential energy storage material

These ceramics exhibited an energy storage efficiency exceeding 90 % at an electric field strength of 410 kV·cm −1. M. Wang et al., [21] reduced P r by introducing Sr 0.7 Bi 0.2 TiO 3 into NBT to form PNRs, and further refined the

It can be observed that MgO-free BCZT and BCZT-0.25 wt% MgO ceramics exhibit large P-E loops, indicating a high energy loss and low energy storage efficiency at room temperature. When x increases to 0.50, the slimmer P-E loops can be observed which related to the broader maximum dielectric constant peak that shows a

Hence, it is crucial to enhancing the energy storage characteristics of KNN-based lead-free materials while simultaneously addressing their thermal stability for energy storage applications. In the present work, two types of ABO 3 perovskites, Ba 0.4 Sr 0.6 TiO 3 and Bi(Zn 0.5 Zr 0.5 )O 3, were introduced into K 0.5 Na 0.5 NbO 3 ceramics, and non

3 · By harnessing the advantages of high energy storage density from relaxor AFE and large efficiency from relaxor FE, the ceramic showcased excellent overall energy storage properties. It achieved a substantial recoverable energy storage density W rec ∼ 13.1 J/cm 3 and an ultrahigh efficiency η ∼ 88.9%.

This manuscript reports the synthesis and piezoelectric properties of strontium titanate, SrTiO3-modified bismuth sodium titanate-barium titanate, 0.965Bi0.5Na0.5TiO3–0.035BaTiO3, (BNBT-xST, x = 0.00−0.30) ceramics produced by facile low temperature sol–gel and hydrothermal methods. Close inspection of the X-ray

For the practical application, as a lead free dielectric material for energy storage capacitor, not only high energy storage density but also high energy storage efficiency is desirable [28]. Dielectric materials with lower energy storage efficiency lose a higher amount of their stored energy to heat, and the generated heat would degrades the

Structural, dielectric, ferroelectric, energy storage properties, and electrocaloric effect were studied in lead-free ceramic Ba0.95Ca0.05Ti0.89Sn0.11O3 (BCTSn) elaborated by the sol–gel method. Phase purity structure was confirmed from X-ray data using the Rietveld refinement analysis which revealed the coexistence of tetragonal

The energy storage density and efficiency are 1.66 J/cm 3 and 82 % respectively for LMT-BFBT ceramics, while 2.11 J/cm 3 and 84 % respectively for our BF-BT-0.14AN ceramics. The breakdown field is also improved form 130 kV/cm for LMT-BFBT ceramics to 195 kV/cm for our BF-BT-0.14AN ceramics. [ 53]

The utilization of relaxor ferroelectrics is thought to be a feasible approach to enhance energy storage performance due to the low remnant polarizations and slim hysteresis. Herein, environment-friendly (1-x)(Bi 0.5 Na 0.5)TiO 3-xSr(Ti 0.5 Zr 0.5)O 3 bulk ceramics have been developed, where the synergistic effect of enhanced relaxor

Calculated energy storage density, energy loss density and energy storage efficiency as a function of electric field for the STB100x ceramics. Table 2 . Maximum polarization ( P max ), electric breakdown field ( E b ), remnant polarization ( P r ), energy storage density ( W 1 ), energy loss density ( W 2 ) and energy storage

Here, we present an overview on the current state-of-the-art lead-free bulk ceramics for electrical energy storage applications, including SrTiO 3, CaTiO 3, BaTiO

In the present paper, structural, dielectric, ferroelectric and energy storage properties of pure perovskite lead-free BCZT, BTSn and 0.6BTSn-0 .4BCZT ferroelectric ceramics have been investigated. Rietveld refinement of XRD data confirms the coexistence of the rhombohedral and orthorhombic phases at room temperature in the composite

Novel lead-free NaNbO 3-based relaxor antiferroelectric ceramics with ultrahigh energy storage density and high efficiency J. Materiomics, 8 ( 2022 ), pp. 295 - 301, 10.1016/j.jmat.2021.09.007 View PDF View article View in Scopus Google Scholar

Dielectric ceramics with high energy storage density and energy efficiency play an important role in high power energy storage applications. In this work, lead free relaxor ferroelectric ceramics in (1-x)Bi 0.51 Na 0.47 TiO 3 - xBa(Zr 0.3 Ti 0.7)O 3 (BNT-BZT100x: x = 0.20, 0.30, 0.40 and 0.50) system are fabricated by conventional

To improve the piezoelectric and energy storage performance, various compounds were introduced into BNT-BT ceramics to form a ternary system, which can disrupt long-range ferroelectric order and stabilization of the antiferroelectric order, such as K