The La3+ and Li+ co-doping BNT ceramics display a high energy-storage density of Wre = 0.685 J/cm3 and high-energy efficiency of over 93% under a driving electric field of 110 kV/cm.
Learn MoreCombining both orthorhombic phase and defect dipole designs successfully achieve antiferroelectric-like properties in BNST-CLT ceramics. The results illustrate that 0.8BNST-0.2CLT presents superior recoverable energy storage density ≈8.3 J …
Learn MoreRelaxor ferroelectrics with high energy storage performance are urgently expected for energy storage capacitors. In this study, a large recoverable energy density with high efficiency was achieved in Sr0.7Bi0.2TiO3 (SBT)-modified Bi0.5Na0.5TiO3 (BNT) ceramics via a conventional solid-state reaction process. The Sr2+ and Sr2+ vacancies …
Learn MoreHowever, the recoverable energy storage density (Wrec) and energy storage efficiency (η) of most BNT-based relaxor ferroelectric ceramics are lower than 3.5 J cm⁻³ and/or 80%, respectively, in ...
Learn MoreMore importantly, the 0.7(BNT-BZT)-0.3SLT ceramic also exhibits outstanding energy release characteristics with the high discharge energy density (W d …
Learn MoreHowever, the recoverable energy storage density (Wrec) and energy storage efficiency (η) of most BNT-based relaxor ferroelectric ceramics are lower than 3.5 J cm⁻³ and/or 80%, respectively, in ...
Learn MoreThereby, an excellent recoverable energy storage density (W rec = 8.55 J/cm 3), high efficiency (η = 89.5%), and extremely high power density (P D = 320 …
Learn MoreCurrently, BNT-based energy storage ceramics have been extensively investigated, mainly due to their extremely high P s (>40 μC/cm 2) [15], [16]. However, pristine BNT also exhibits a high P r (38 μC/cm 2 ) at room temperature, which limits its energy storage density [17] .
Learn MoreJournal of the American Ceramic Society (JACerS) is a leading ceramics journal publishing research across the field of ceramic and glass science and engineering. Abstract The development of ceramics with superior energy storage performance and transparency holds the potential to broaden their applications in various fields, including …
Learn MoreThe development of ceramics with superior energy storage performance and transparency holds the potential to broaden their applications in various fields, including optoelectronics, energy storage …
Learn MoreHowever, in BNT-based binary and ternary systems, the energy-storage properties have been greatly enhanced due to suppressed ferroelectricity. Gao [9] first reported Bi 0.5 Na 0.5 TiO 3 –BaTiO 3 –K 0.5 Na 0.5 NbO 3 …
Learn MoreDielectric ceramics with good temperature stability and excellent energy storage performances are in great demand for numerous electrical energy storage applications. In this work, xSm doped 0.5Bi 0.51 Na 0.47 TiO 3 –0.5BaZr 0.45 Ti 0.55 O 3 (BNT–BZT − xSm, x = 0–0.04) relaxor ferroelectric lead-free ceramics were synthesized by high …
Learn MoreYan, F. et al. Significantly enhanced energy storage density and efficiency of BNT-based perovskite ceramics via A-site defect engineering. Energy Storage Mater. 30, 392–400 (2020). Article ...
Learn MoreAn effective approach to achieve high energy storage density and efficiency in BNT-based ceramics by doping AgNbO3 Dalton Trans., 48 ( 2019 ), pp. 17864 - 17873 CrossRef View in Scopus Google Scholar
Learn MoreIt is noteworthy that a high recoverable energy storage density (W rec = 4.2 J/cm 3) and a great efficiency (η = 88%) were achieved simultaneously in …
Learn MoreHowever, the recoverable energy storage density (W rec) and energy storage efficiency (η) of most BNT-based relaxor ferroelectric ceramics are lower than …
Learn MorePDF | On Feb 1, 2024, Bin He and others published Realization of superior thermal stability and high-power density in BNT-based ceramics with excellent energy storage ...
Learn MoreAdditionally, a large discharge energy density of 3.14 J cm −3 is obtained in the 0.85BNTSZ–0.15NN ceramic with an energy efficiency of 79% at a high temperature of 120 C under 230 kV cm −1, with the variation in the discharge energy density being less than .
Learn MoreTo 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 …
Learn MoreA novel all-inorganic nanocomposites ceramic of BNT-BNNs is prepared. • Record value of grain sizes ∼68.86 nm and ultrahigh BDS ∼640 kV/cm are achieved. • Superior total energy density of 7.34 J/cm 3 and recoverable energy density of …
Learn MoreThe 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.
Learn MoreThe breakdown strength and discharge energy storage of BNT-ST@Si-TSS ceramic are enhanced by nearly 70 % and 60 % than that of BNT-ST ceramics prepared by the traditional sintering, respectively. 3. The BNT-ST@Si-TSS ceramic system exhibits an excellent thermal stability ( ∆ W dis ≤ 4.6 % from 30 to 140 ℃ ) and an outstanding fatigue …
Learn MoreEnergy density, Insulators, Polarization, Transition metals. Abstract. BNT (Bi 0.5 Na 0.5 TiO 3 )-based ferroelectric ceramics have drawn much attention in energy …
Learn MoreMore importantly, an optimal energy storage density (W s) of 1.697 J cm-3 and energy efficiency (η) of 82.3% are simultaneously achieved in the BNBLT-0.01AN ceramic with excellent thermal stability (∼25-175 C) and frequency stability (∼10-80 Hz).
Learn MoreLead-free ceramic capacitors play an important role in electrical energy storage devices because of their ultrafast charge/discharge rates and high power density. However, simultaneously obtaining large energy storage capability, high efficiency and superior temperature stability has been a huge challenge for practical applications of …
Learn MoreAccording to the above analysis, the energy storage performance of these BNT-based ceramics is closely related to the domain structure, microstructure, defect density and resistivity. In our previous works, we doped Bi 3+, La 3+, Sm 3+ at A-site in …
Learn MoreCombining both orthorhombic phase and defect dipole designs successfully achieve antiferroelectric-like properties in BNST-CLT ceramics. The results illustrate that …
Learn MoreThe energy-storage density, absorption energy storage density and efficiency of the BNT-BKH x T 1−x lead-free ceramics at an electric field of 60 kV/cm. Table 1 . The comparison of energy storage density, strain S 33, S 33 /E 33 of the BNBKT x Hf 1−x ceramics and other BNBT-based ceramics.
Learn MoreMore importantly, an optimal energy storage density (Ws) of 1.697 J cm-3 and energy efficiency (η) of 82.3% are simultaneously achieved in the BNBLT-0.01AN ceramic with excellent thermal stability (∼25-175 C) and frequency stability (∼10-80 Hz).
Learn MoreBismuth sodium titanate (Bi0.5Na0.5TiO3, BNT) based ferroelectric ceramic is one of the important lead free dielectric materials for high energy storage applications due to its large polarization. Herein, we reported a modified BNT based relaxor ferroelectric ceramics composited with relaxor Sr0.7Bi0.2TiO3 (SBT) and ferroelectric …
Learn MoreWe showed that 0.85BBNKT–0.15SMN ceramics exhibited a recoverable energy storage density Wrec of 3.53 J cm −3 and an efficiency η of 86.3% at a medium …
Learn MoreTable 1 exhibits the comparison of the energy storage performance of 0.7BNT-0.3SNT samples with other researched BNT systems to better evaluate the energy storage property of BNT-xSNT samples. The results reveal that the W rec of 0.7BNT–0.3SNT samples is much higher than that of other BNT systems at a similar …
Learn MoreDriven by the information industry, advanced electronic devices require dielectric materials which combine both excellent energy storage properties and high temperature stability. These requirements hold the most promise for ceramic capacitors. Among these, the modulated Bi<sub>0.5</sub> Na<sub>0.5</sub> …
Learn MoreBNT (Bi0.5Na0.5TiO3)-based ferroelectric ceramics have drawn much attention in energy storage applications due to the high saturation polarization and good temperature stability. However, the reduction of Ti4+ caused by the volatilization of Bi and Na elements during high-temperature sintering is a huge problem. A multivalent element …
Learn MoreMeanwhile, BNST-MgO ceramics have a discharge energy density (∼1.96 J/cm 3) and a charge/discharge rate (67.8 ns). The energy storage properties and discharge energy density also provide positive thermal …
Learn MoreDespite significant advances in energy storage of BNT-based ceramics, it is still challenging to achieve both high W rec (>8 J/cm 3) and η (>85%) at the same time. Furthermore, the thermal stability of the energy storage ceramics is also a key criterion.
Learn MoreThe energy storage research of BNT-based ceramics is summarized from three aspects: bulk, thin film and multilayer. •. The energy storage optimization of BNT …
Learn MoreThe energy storage density values ~0.485 J/cm 3 and 0.598 J/cm 3 were obtained in the BNT–BT and BNT–BT–KNN ceramics, respectively. High induced strain% in the BNT–BT ceramics and the high energy storage density in the BNT–BT–KNN ceramics suggested about the usefulness of these systems for the actuator and the …
Learn More