Progress and outlook on lead-free ceramics for energy storage applications

Nano Energy, Год журнала: 2024, Номер 123, С. 109394 - 109394

Опубликована: Фев. 15, 2024

Язык: Английский

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Ultrahigh energy storage capacities in high-entropy relaxor ferroelectrics

Journal of Materials Chemistry A, Год журнала: 2024, Номер 12(29), С. 18224 - 18233

Опубликована: Янв. 1, 2024

This study shows that entropy engineering can enhance the energy-storage performance of lead-free BNT-based dielectrics, achieving a recoverable energy density 11.24 J cm −3 and 88.3% efficiency, with excellent stability rapid discharge.

Язык: Английский

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Configuration-entropy effects on BiFeO₃–BaTiO₃ relaxor ferroelectric ceramics for high-density energy storage

Journal of Materials Chemistry A, Год журнала: 2024, Номер 12(20), С. 11995 - 12008

Опубликована: Янв. 1, 2024

A high-configuration entropy results in the formation of grain boundaries and nanoclusters, which act as barriers for enhancing breakdown strength energy-storage capability.

Язык: Английский

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Bismuth Ferrite-Based Lead-Free High-Entropy Piezoelectric Ceramics

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер 16(7), С. 9078 - 9087

Опубликована: Фев. 7, 2024

Piezoelectric ceramics, as essential components of actuators and transducers, have captured significant attention in both industrial scientific research. The "entropy engineering" approach has been demonstrated to achieve excellent performance lead-based materials. In this study, the was employed introduce morphotropic phase boundary (MPB) into bismuth ferrite (BF)-based lead-free system. By employing strategy, a serial novel "medium high entropy" piezoelectric ceramics were successfully synthesized, namely (1–x)BiFeO3–x(Ba0.2Sr0.2Ca0.2Bi0.2Na0.2)TiO3 (BF–xBSCBNT, x = 0.15–0.5). Our investigation systematically examined structure, domain configuration, ferroelectric/piezoelectric properties function conformational entropy. Remarkable performances with largest strain 0.50% at 100 kV/cm, remanent polarization ∼40.07 μC/cm2, coercive field ∼74.72 coefficient ∼80 pC/N, d33* ∼500 pm/V achieved BF–0.4BSCBNT ceramics. This exceptional can be attributed presence MPB, coexisting rhombohedral cubic phases, along localized nanodomains. concept high-entropy study provides promising strategy for exploration development next generation

Язык: Английский

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Recent development of lead-free relaxor ferroelectric and antiferroelectric thin films as energy storage dielectric capacitors

Journal of the European Ceramic Society, Год журнала: 2024, Номер 44(7), С. 4332 - 4349

Опубликована: Фев. 8, 2024

Dielectric electrostatic capacitors are breakthroughs in energy storage applications such as pulsed power (PPAs) and miniaturized energy-autonomous systems (MEASs). Low density, poor charge-discharge speed, deprived breakdown strength of batteries electrochemical limit their use various implantable, wearable, portable electronics. Recently, relaxor ferroelectric (RFE) anti-ferroelectric (AFE) thin film have emerged appropriate candidates for PPAs MEASs. High density (50-120 J/cm3), large (109-1010 W/kg), ultrafast speed (μs range), superior dielectric (DBS) (~MV/cm), excellent thermal stability (150-275 oC) RFE AFE high electronic device applications. In this review article, we portray a succinct discussion the properties AFE-based films.

Язык: Английский

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Recent Advances in Architectural Designs and Fabrication Strategies of 2D Fillers in Polymer-based Dielectric Nanocomposites

Materials Today Energy, Год журнала: 2025, Номер 48, С. 101800 - 101800

Опубликована: Янв. 5, 2025

Язык: Английский

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Excellent energy storage properties with ultrahigh Wrec in lead-free relaxor ferroelectrics of ternary Bi0.5Na0.5TiO3-SrTiO3-Bi0.5Li0.5TiO3 via multiple synergistic optimization

Energy storage materials, Год журнала: 2023, Номер 65, С. 103055 - 103055

Опубликована: Ноя. 15, 2023

Язык: Английский

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Ferroelectric tungsten bronze-based ceramics with high-energy storage performance via weakly coupled relaxor design and grain boundary optimization

Nature Communications, Год журнала: 2024, Номер 15(1)

Опубликована: Окт. 5, 2024

A multiscale regulation strategy has been demonstrated for synthetic energy storage enhancement in a tetragonal tungsten bronze structure ferroelectric. Grain refining and second-phase precipitation (perovskite phase) are introduced the BaSrTiNb

Язык: Английский

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Excellent energy storage properties in (Bi0.4Na0.2K0.2Ba0.2)(Ti0.95Zr0.05)O3-based high-entropy ceramics by introduction of Sr(Mg1/3Nb1/3Ta1/3)O3 medium-entropy endmember

Journal of Energy Storage, Год журнала: 2024, Номер 82, С. 110546 - 110546

Опубликована: Янв. 18, 2024

Язык: Английский

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Recent advances in processing, morphological evolution and applications of bismuth sodium titanate nanoceramics

Open Ceramics, Год журнала: 2024, Номер 18, С. 100572 - 100572

Опубликована: Март 22, 2024

Nanostructured hybrid functional perovskite materials are an exciting domain of electroceramic and have created attention among researchers due to the coexistence multiple properties like piezo ferroelectricity. It offers a broad range applications in optics electronics technology. One its kinds, bismuth sodium titanate (Bi0·5Na0·5TiO3-BNT) nanomaterials, possesses integral significant role advanced electronic industries. This article aims systemize deliberation related development titanate-based including study nanomaterial morphology mechanism, fabrication methods, crystal structure, many other novel applications. work focuses on analyzing behavior based synthesis proposed approaches for optimizing morphology, current challenges. Challenges opportunities connected with BNT nanomaterials elaborated. could motivate young develop BNT-based so that we get best out research.

Язык: Английский

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