Enhanced energy-storage properties and charge-discharge performances in Sm3+ modified (Na0.5Bi0.5)TiO3-SrTiO3 lead-free relaxor ferroelectric ceramics

Su, Qian; Zhu, Jianye; Ma, Ziyue; Meng, Xiangjun; Zhao, Ye; Li, Yong; Hao, Xihong

doi:10.1016/j.materresbull.2021.111675

Cited by 14 publications

(6 citation statements)

References 50 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Combined with the high energy density, high energy efficiency, and excellent charge-discharge ability surpassing those of PLZST-based ceramics and other composite ceramics (Fig. 9) [17,68,77,[80][81][82][83][84][85][86], the PBLZST:1.0 wt% AlN composite ceramics have great potential in high energy and pulsed power applications.…”

Section: Resultsmentioning

confidence: 99%

Regulating local electric field to optimize the energy storage performance of antiferroelectric ceramics via a composite strategy

Yang¹,

Dou²,

Zou³

et al. 2023

Journal of Advanced Ceramics

View full text Add to dashboard Cite

Electrostatic energy storage technology based on dielectrics is the basis of advanced electronics and high-power electrical systems. High polarization (P) and high electric breakdown strength (E b ) are the key parameters for dielectric materials to achieve superior energy storage performance. In this work, a composite strategy based on antiferroelectric dielectrics (AFEs) has been proposed to improve the energy storage performance. Here, AlN is selected as the second phase for the (Pb 0.915 Ba 0.04 La 0.03 )(Zr 0.65 Sn 0.3 Ti 0.05 )O 3 (PBLZST) AFEs, which is embedded in the grain boundaries to construct insulating networks and regulate the local electric field, improving the E b . Meanwhile, it is emphasized that AFEs have the AFE-FE and FE-AFE phase transitions, and the increase of the phase transition electric fields can further improve the recoverable energy density (W rec ). As a result, the E b increases from 180 to 290 kV•cm −1 with a simultaneous increase of the phase transition electric fields, magnifying the W rec to ~144% of the pristine PBLZST. The mechanism for enhanced E b and the phase transition electric fields is revealed by the finite element simulation method. Moreover, the PBLZST:1.0 wt% AlN composite ceramics exhibit favorable temperature stability, frequency stability, and charge-discharge ability, making the composite ceramics a promising candidate for energy storage applications.

show abstract

Section: Resultsmentioning

confidence: 99%

Regulating local electric field to optimize the energy storage performance of antiferroelectric ceramics via a composite strategy

Yang¹,

Dou²,

Zou³

et al. 2023

Journal of Advanced Ceramics

View full text Add to dashboard Cite

show abstract

“…It could be observed that the crystal morphology of the Sm-doped ceramic cross section was dense with no hole present. The transportation of material during the heating process emerged as the key determinant in shaping the microstructure of ferroelectric ceramics . The presence of the Sm 3+ dopant exhibited a direct influence on the size of the grains, leading to an observable increase in their dimensions.…”

Section: Resultsmentioning

confidence: 99%

“…This became an effective strategy to optimize the energy storage performance of BNT-based ceramics. − Ma et al constructed 0.95 (0.76Na 0.5 Bi 0.5 TiO 3 –0.24SrTiO 3 )–0.05AgNbO 3 ceramic, which has a relatively high W rec of 2.03 J/cm 3 at 120 kV/cm. In addition, Su discovered that adding Sm 3+ to NBT ceramics decreased the size of the grains and modified the domain structure, which increased the breakdown strength ( E b ) and improved relaxation properties. It has been confirmed that the introduction of Sm 3+ doping played a significant role in reducing the size of the grains, hindering the growth process and enhancing the breakdown field strength of the ceramics. , Thus, it was anticipated that doping NBT ceramics with Sm 3+ of higher radius would enhance their thermal stability, frequency, and energy storage capabilities.…”

Section: Introductionmentioning

confidence: 99%

Energy Storage and Charge/Discharge Performance of Sm-Doped NBT-Based Lead-Free Ceramics

Zhao,

Zhang,

et al. 2023

ACS Appl. Electron. Mater.

View full text Add to dashboard Cite

(Na0.5Bi0.5)0.75Sr0.25TiO3–x Sm2O3 ceramics (denoted as NBSTS x ) were obtained by the solid-state reaction method, and their crystal structure and morphological characteristics were characterized by X-ray diffractometer mapping (XRD) and scanning electron microscopy (SEM). The NBSTS x ceramics, when doped with a concentration of x = 0.03, demonstrated outstanding performance in terms of maximum recoverable energy storage density (W rec ∼ 3.35 J/cm3) and energy storage efficiency (η ∼ 84.8%). This ceramic exhibited the highest potential at an electric field strength of 210 kV/cm. Additionally, the thermal stability of NBSTS0.03 ceramic remained constant within the temperature range of 30–90 °C, while their frequency stability covered the range of 10–1000 Hz. By analyzing the dielectric spectra of the material, we investigated the variation of the relative permittivity (εr ) and the dielectric loss angle tangent (tan δ), and we probed the relaxation behavior by means of a modified Curie–Weiss law. The NBSTS x ceramic with a density of x = 0.03 exhibited a fast charge/discharge rate of 128 ns and a discharge energy density of 1.06 J/cm3. From the impedance spectra, the relaxation phenomena observed in the system could potentially be attributed to the migration of oxygen vacancies.

show abstract

“…However, the W rec was seriously restricted owing to the low BDS. 35 Therefore, developing relaxor ferroelectric materials with high energy density and energy efficiency to meet the requirements of high-power pulse capacitors is essential.…”

Section: Introductionmentioning

confidence: 99%

“…In our previous research, we added Sm 3+ to NBT-ST ceramics and achieved a high W rec of 3.81 J/cm 3 and a BDS of 266 kV/cm. However, the W rec was seriously restricted owing to the low BDS . Therefore, developing relaxor ferroelectric materials with high energy density and energy efficiency to meet the requirements of high-power pulse capacitors is essential.…”

Section: Introductionmentioning

confidence: 99%

Excellent Energy-Storage Performance in BNT-SST-LMN Lead-Free Relaxor Ferroelectric Ceramics with High Electrical Homogeneity

Zhu

et al. 2022

ACS Appl. Energy Mater.

Self Cite

View full text Add to dashboard Cite

Relaxor ferroelectric materials have received increasing attention in pulse power devices due to the high power density and rapid charge−discharge capability. However, challenges exist in relaxor ferroelectric behavior because of their low electric breakdown strength. In this article, a large recoverable energy density of 5.94 J/cm 3 , together with a high energy efficiency of 86.9%, is achieved synchronously in La-(Mg 2/3 Nb 1/3 )O 3 (LMN) modified Bi 0.5 Na 0.5 TiO 3 -Sr 0.7 Sm 0.2 TiO 3 (BNT-SST) ceramic. It is suggested that the addition of LMN reduces the grain size and enhances the electrical homogeneity, which boosts the electric breakdown strength of sample ceramics. In addition, in 0.03LMN modified 0.97(BNT-SST) ceramic, a good discharge energy density of 3.9 J/cm 3 and a transient discharge time of 65 ns are attained. Meanwhile, the outstanding stability in the temperature range of 20−100 °C and frequency range of 1−100 Hz is observed in the above component. These results indicate that BNT-SST-LMN ceramic has potential as an energy-storage medium.

show abstract

Enhanced energy-storage properties and charge-discharge performances in Sm3+ modified (Na0.5Bi0.5)TiO3-SrTiO3 lead-free relaxor ferroelectric ceramics

Cited by 14 publications

References 50 publications

Regulating local electric field to optimize the energy storage performance of antiferroelectric ceramics via a composite strategy

Regulating local electric field to optimize the energy storage performance of antiferroelectric ceramics via a composite strategy

Energy Storage and Charge/Discharge Performance of Sm-Doped NBT-Based Lead-Free Ceramics

Excellent Energy-Storage Performance in BNT-SST-LMN Lead-Free Relaxor Ferroelectric Ceramics with High Electrical Homogeneity

Contact Info

Product

Resources

About