In summary, a series of newly developed lead-free energy-storage materials with tailorable functionalities from antiferroelectric to relaxor are presented. In situ high-energy XRD has ascertained that a reversible AFE–FE phase transition establishes the structural basis for the well-defined double polarization hysteresis loops …
The breakdown electric field of NaNbO3-based antiferroelectric (AFE) ceramics is low, which makes it difficult to improve its energy-storage density. In this study, by adding nano-SiO2, sintering temperature of 0.88Na0.94Sm0.02NbO3-0.12Sr0.7Bi0.2TiO3 (NN-SBT-2Sm) relaxor AFE ceramics was reduced from 1150 to 980 °C. Mean grain size …
further promote the commercialization of AFE materials for energy storage applications. 2. Materials and energy storage properties 2.1 PbZrO 3-based antiferroelectric ceramics PbZrO 3 (PZ) was first discovered in the 1950s. Its temperature-dependent dielectric spectrum was found to be very similar to that observed in classical FE materials such ...
6 · 1 Introduction Antiferroelectric (AFE) materials have gained traction in the scientific community owing to actual or potential applications in high energy-storage …
The typical antiferroelectric double hysteresis loop characteristics were observed in AgNbO 3 ceramics at room temperature under an applied electric field (250 kV/cm), which led researchers to study the energy storage performance of AgNbO 3-based antiferroelectric materials.
can facilitate future search of AFE materials for energy storage. Antiferroelectric capacitors hold great ... with other previously reported top energy-storage materials —that is, lead-based 5,6 ...
This study demonstrates that the design of a relaxor/antiferroelectric composite provides a highly effective method to improve the energy storage performance of lead-free ceramics. This article is part of the themed collections: Journal of Materials Chemistry C HOT Papers and Journal of Materials Chemistry C Lunar New Year collection 2021
Tailoring high-energy storage NaNbO3-based materials from antiferroelectric to relaxor states ... Yang, T. Q. & Zhang, S. J. Ultrahigh energy-storage density in antiferroelectric ceramics with ...
Antiferroelectric materials with double hysteresis loops are attractive for energy storage applications, which are becoming increasingly important for power electronics nowadays.
AgNbO 3-based ceramics have attracted much attention due to their eco-friendly and antiferroelectric (AFE) characteristics.The typical double hysteresis loop makes the AFE AgNbO 3 ceramic a promising energy storage material [1,2,3].However, the poor sintering abilities and energy storage performance are currently the main factors …
These promotes the idea that a combination of relaxor ferroelectric/ paraelectric materials and antiferroelectric materials may play evident advantages in improving energy storage performance. On this occasion, a short-range antiferroelectric phase may be generated, forming polar nanodomains with relaxor properties, reducing P …
Enhanced energy storage performance, with recoverable energy density of 4.2 J cm−3 and high thermal stability of the energy storage density (with minimal variation of ≤±5%) over 20–120 °C ...
Energy density as a function of composition (Fig. 1e) shows a peak in volumetric energy storage (115 J cm −3) at 80% Zr content, which corresponds to the squeezed antiferroelectric state from C ...
Antiferroelectric materials that display double ferroelectric hysteresis loops are receiving increasing attention for their superior energy storage density compared to their ferroelectric ...
Antiferroelectric materials are attractive for energy storage applications and are becoming increasingly important for power electronics. Lead-free silver niobate (AgNbO 3) and sodium niobate (NaNbO 3) antiferroelectric ceramics have attracted intensive interest as promising candidates for environmentally friendly energy storage products.. This …
Antiferroelectric materials have shown potential applications in energy storage. However, controlling and improving the energy-storage performance in antiferroelectric remain challenging. Here, a domain structure and energy-storage performance diagram for Pb(Zr1-xTix)O3 (x ≤ 0.1) single crystal are investigated via …
Benefitting from the reversible phase transition between antiferroelectric and ferroelectric states, antiferroelectric materials have recently received widespread …
Antiferroelectric materials have shown potential applications in energy storage. However, controlling and improving the energy-storage performance in antiferroelectric remain challenging.
With the improvement of environment protection requirement and the development of pulse power technology, the environmentally friendly antiferroelectric materials with superior energy storage performance have received increasing interest. The present work proposes a combinatorial optimization technique to op
Reversible field-induced phase transitions define antiferroelectric perovskite oxides and lay the foundation for high-energy storage density materials, required for future green...
Engineering, Materials Science. Materials. 2015. TLDR. A focus is provided on the relevant scientific advancements that have been made with respect to utilization and development of anti-ferroelectric materials for electric energy storage applications by presenting a timely review on the topic. Expand. 250.
A superior balance between recoverable energy density (W re = 7.01 J/cm 3) and energy efficiency (η = 77%) values, together with excellent frequency and temperature stability, is achieved in the Ag 0.76 La 0.08 NbO 3 ceramics via domain engineering.The Ag 0.76 La 0.08 NbO 3 ceramics exhibit a novel polarization hysteresis …
Antiferroelectric materials are promising to be used for power capacitive devices. To improve the energy storage performance, solid-solution and defect engineering are widely used to suppress the long-range order by …
Reversible field-induced phase transitions define antiferroelectric perovskite oxides and lay the foundation for high-energy storage density materials, required for future green technologies. However, promising new antiferroelectrics are hampered by transition´s irreversibility and low electrical resistivity. Here, we demonstrate …
In comparison with other materials systems, antiferroelectric (AFE) materials are superior in achieving high recoverable energy density (W rec), due to their double polarization hysteresis loops, ... X.H. Hao, A review on the dielectric materials for high energy-storage application. J. Adv. Dielect. 3(01), 1330001 (2013)
Antiferroelectric materials are attractive for energy storage applications and are becoming increasingly important for power electronics. Lead-free silver niobate (AgNbO3) and sodium niobate ...
When the amount of Bi_2WO_6 is increased to 0.4 mol%, a high energy storage density of 3.1 J/cm^3 with energy efficiency of 39% is obtained at 190 kV/cm in AgNbO_3−0.004Bi_2WO_6 ceramic. Compared with pure AgNbO_3, the addition of Bi_2WO_6 leads to increased energy storage density, which further indicates that …
The high dielectric constant and the distinct phase transition in AFE materials provide great opportunities for the realization of energy storage devices like super-capacitors and energy conversion devices such as AFE MEMS applications. Lots of work has been done in this field since 60–70 s.
1 · The effect of Ti contents on the microstructure, dielectric, and energy storage properties of prepared (Pb0.97La0.02) (Zr0.53Sn0.47)1-xTixO3 (PLZST) antiferroelectric ceramics by a traditional solid-state sintering method was systematically studied. The results showed that even though there are trace amounts of impurities in the prepared PLZST …
Various Pb-based antiferroelectric materials exhibit a typical double hysteresis loop and subsequently high discharge energy density. Ba 2+ is considered as the perfect substitute of Pb 2+ for energy storage applications. The benefit of Ba 2+ over Pb 2+ is that it changes the polar ordering and can consequently decrease the antiferroelectric to ferroelectric …
Antiferroelectric materials are attractive for energy storage applications and are becoming increasingly important for power electronics. Lead-free …