Opening Hour

Mon - Fri, 8:00 - 9:00

Call Us

Email Us

Enhanced energy storage properties of lead-free NaNbO3-based ceramics
Lead-free ceramic-based dielectric capacitors have attracted extensive investigation due to their potential applications in pulsed power devices. However, the main drawback of dielectric ceramics is the relatively low energy storage density. Herein, Bi 3+ and Mg 2+ with different ionic radius and valence are introduced into antiferroelectric
Optimized energy storage properties of Bi0.5Na0.5TiO3-based lead-free ceramics by composition regulation,Ceramics
Optimized energy storage properties of Bi0.5Na0.5TiO3-based lead-free ceramics by composition Ceramics International ( IF 5.1) Pub Date : 2024-02-27, DOI: 10.1016/j.ceramint.2024.02.329
Enhanced energy storage properties of a novel lead
A (SrTiO3 + Li2CO3)/(0.94Bi0.54Na0.46TiO3 − 0.06BaTiO3) (STL/BNBT) lead-free ceramic with a multilayer structure was shaped via the tape-casting and subsequent lamination technique,
Lead‐Free Relaxor Ferroelectric Ceramics with Ultrahigh
One of the long-standing challenges of current lead-free energy storage ceramics for capacitors is how to improve their comprehensive energy storage properties effectively, that is, to achieve
Boosting energy-storage performance in lead-free ceramics via
The crossover ferroelectrics of 0.9BST-0.1BMN ceramic possesses a high energy storage efficiency (η) of 85.71%, a high energy storage density (W) of 3.90 J/cm³, and an ultra-high recoverable
Lead-Free Energy Storage Ceramics
In a multilayer ceramic capacitor, the equivalent series resistance is extremely low, the current handling capability is high, and is stable in high temperatures.
Fabrication of a lead-free ternary ceramic system for high energy storage
Herein, we provide a facile synthesis of lead-free ferroelectric ceramic perovskite material demonstrating enhanced energy storage density. The ceramic material with a series of composition (1-z) (0.94Na 0.5 Bi 0.5 TiO 3 -0.06BaTiO 3 )-zNd 0.33 NbO 3, denoted as NBT-BT-zNN, where, z = 0.00, 0.02, 0.04, 0.06, and 0.08 are synthesized by
Enhanced energy-storage performances in lead-free ceramics via
The ceramics achieved an energy storage density of 3.81 J/cm 3 and η of 84.7%. BF-based ceramic materials are considered as potential lead-free energy
Boosting Energy Storage Performance of Lead-Free Ceramics via
DOI: 10.1002/smll.202202575 Corpus ID: 251197883 Boosting Energy Storage Performance of Lead-Free Ceramics via Layered Structure Optimization Strategy. @article{Yan2022BoostingES, title={Boosting Energy Storage Performance of Lead-Free Ceramics via Layered Structure Optimization Strategy.}, author={Fei Yan and Hairui Bai
Designing lead-free antiferroelectrics for energy storage
In Fig. 5b we also compare the energy density of BNFO with other previously reported top energy-storage materials—that is, lead-based 5,6,33,34,35 and lead-free 10,11 perovskites—for different
Lead-free relaxor-ferroelectric ceramics for high-energy-storage applications
Relaxor-ferroelectric ceramics capacitors have been in the front lines of investigations aimed at optimizing energy density due to their high Pmax, suppressed Pr, and high BDS levels, attributed to their highly dynamic polar nano-regions. A set of (1 − x)SrTiO3–x[0.88BaTiO3–0.12Bi(Li0.5Ta0.5)O3] ceramics (x
Large Energy Capacitive High-Entropy Lead-Free Ferroelectrics
Lead-free dielectric ceramics, the core components of capacitors, are becoming high-profile energy storage materials owing to their distinctive features of high
Realizing superior energy storage properties in lead-free ceramics
Based on the principle of sustainable development theory, lead-free ceramics are regarded as an excellent candidate in dielectrics for numerous pulsed power capacitor applications due to their outstanding thermal stability and environmental friendliness. However, the recoverable energy storage density (Wrec)
Review on the Development of Lead-free Ferroelectric Energy-Storage Ceramics and Multilayer Capacitors
Lead free ferroelectric solid solutions have attracted wide scientific and technological attention due to its prospects of versatile applications such as piezoelectric generators, sensors, disk
Progress and outlook on lead-free ceramics for energy storage applications,Nano Energy
This includes exploring the energy storage mechanisms of ceramic dielectrics, examining the typical energy storage systems of lead-free ceramics in recent years, and providing an outlook on the future trends and prospects of lead-free ceramics for advanced pulsed power systems applications. :.
High-performance lead-free bulk ceramics for electrical energy
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 3, (Bi 0.5 Na 0.5)TiO 3, (K 0.5 Na 0.5)NbO 3, BiFeO 3, AgNbO 3 and NaNbO 3-based
Progress and outlook on lead-free ceramics for energy storage
This review summarizes the progress of these different classes of ceramic dielectrics for energy storage applications, including their mechanisms and strategies
Energy Storage and Charge/Discharge Performance of Sm-Doped NBT-Based Lead-Free Ceramics
Energy Storage and Charge/Discharge Performance of Sm-Doped NBT-Based Lead-Free Ceramics. November 2023. ACS Applied Electronic Materials 5 (11) DOI: 10.1021/acsaelm.3c01066. Authors:
High energy storage efficiency of NBT-SBT lead-free ferroelectric ceramics
Zhang et al. prepared an energy density of 1.91 J/cm 3 and an energy efficiency of 86.4% in Na 0·5 Bi 0·5 TiO 3 –BaSnO 3 binary solid solution [ 13 ]. Additionally, another typical relaxor ferroelectric, the (Sr 0·7 Bi 0.2 )TiO 3 (SBT) ceramic, has large maximum polarization ( Pmax) compared to paraneoplastic ceramics such as SrTiO 3 (ST).
Capacitive energy storage performance of lead-free sodium niobate-based antiferroelectric ceramics
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
Lead‐free (K,Na)NbO3‐based ceramics with high optical transparency and large energy storage
Highly transparent lead-free (1-x)K 0.5 Na 0.5 NbO 3 –xSr(Zn 1/3 Nb 2/3)O 3 (KNN–xSZN) ferroelectric ceramics have been synthesized via a conventional pressureless sintering method. All samples are optically clear, showing high transmittance in the visible and near-infrared regions (~70% and ~80% at 0.5 mm of thickness, respectively).
Progress and outlook on lead-free ceramics for energy storage
This review summarizes the progress of these different classes of ceramic dielectrics for energy storage applications, including their mechanisms and strategies for enhancing the energy storage performance, as well as an outlook on future trends and prospects of lead-free ceramics for advanced pulsed power systems applications.
Simultaneously enhanced energy density and discharge efficiency of (Na0.5Bi0.5)0.7Sr0.3TiO3-La1/3(Ta0.5Nb0.5)O3 lead-free energy storage ceramics
Energy storage ceramics are widely favored for their rapid charging/discharging speed, good temperature stability and large power density. Nevertheless, most lead-free energy storage ceramics can achieve excellent energy storage density (W t) only under extremely high breakdown electric field and usually
Enhanced optical and energy storage properties of K0.5Na0.5NbO3 lead-free ceramics
For example, a new lead-free relaxing ferroelectric ceramic was obtained by combining the BNT-50BKT ferroelectric ceramic (δ = 2.1 %, t = 0.997) and the BZ paraelectric ceramic (t = 1.007), which exhibited
Composition and Structure Optimized BiFeO3 -SrTiO3 Lead-Free Ceramics with Ultrahigh Energy Storage
Both energy density and efficiency exhibit excellent stability over the frequency range of 1-100 Hz and temperatures up to 120 °C, along with the superior power density of 280 MW cm-3, making the studied BiFeO3 -SrTiO3 ceramics potentially useful for high-power energy storage applications. Dielectric ceramic capacitors have attracted
Excellent comprehensive energy storage properties of novel lead-free NaNbO 3 -based ceramics
NaNbO 3 (NN) is generally considered as one of the most promising lead-free antiferroelectric (AFE) perovskite materials with the advantages of low cost, low density and nontoxicity. However, the metastable ferroelectric phase causes a large remanent polarization (P r) at room temperature, seriously hindering the achievement of excellent
Review of lead-free Bi-based dielectric ceramics for energy-storage
Therefore, lead-free dielectric energy-storage ceramics with high energy storage density have become a research hot spot. In this paper, we first present the
High-Performance Lead-Free Bulk Ceramics for Energy Storage Applications: Design strategies and Challenges
In this experiment, a new lead-free energy storage ceramic (1-x)(Na0.5Bi0.5)0.935Sr0.065TiO3–xNa0.7Bi0.08La0.02NbO3 was prepared using a conventional solid-phase sintering process, and the
Review of lead-free Bi-based dielectric ceramics for energy-storage
The 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.
Superior energy storage performance of BiFeO3–BaTiO3–CaHfO3 lead-free ceramics
Lead-free ceramics have received considerable research interest because of their environmentally friendly characteristics and superb performance in energy storage applications, which are critical for pulsed power electronic systems. In this work, we sintered a series of (0.90 − x)BiFeO3–xBaTiO3–0.10CaHfO3 le
Lead-free AgNbO>3> anti-ferroelectric ceramics with an enhanced energy storage
This study revealed the potential of AgNbO3 to be a promising lead-free ceramic for energy storage applications. AgNbO3 ceramics fabricated using a conventional solid-state reaction method under an O2 atmosphere show a characteristic anti-ferroelectric (AFE) double hysteresis loop at an electric field of >130 kV cm-1, with a peak recoverable
Ultrafast charge‐discharge and enhanced energy storage properties of lead‐free K0.5Na0.5NbO3‐based ceramics
Eventually, fine comprehensive energy storage performances and good mechanical properties are simultaneously obtained. Enhanced recoverable energy storage density W rec (∼5.30 J/cm 3 ) and a high energy storage efficiency η (∼76.81%) are achieved in 0.970(K 0.5 Na 0.5 )NbO 3 -0.030CeBiO 3 (KNN-0.030CB) ceramics with an
A review on the development of lead-free ferroelectric energy-storage ceramics
Energy storage materials and their applications have attracted attention among both academic and industrial communities. Over the past few decades, extensive efforts have been put on the development of lead-free high-performance dielectric capacitors. In this review, we comprehensively summarize the research progress of lead
Bi‐modified SrTiO3‐based ceramics for high‐temperature energy storage applications
In addition, 0.9SBT–0.1BMH shows outstanding thermal stability of energy storage performance up to 200 C, with the variation being less than 5%, together with satisfying cycling stability and high charge-discharge rate, making the
Review of Lead-Free Bi-Based Dielectric Ceramics for Energy Storage Applications
We then review our previous research work combined with research progress into bismuth (Bi)-based lead-free energy-storage ceramics including Bi0.5Na0.5TiO3 (BNT), BiFeO3, and Bi0.2Sr0.7TiO3, in
Novel Na0.5Bi0.5TiO3 based, lead-free energy storage ceramics with high power and energy
Novel Na 0.5 Bi 0.5 TiO 3 based, lead-free energy storage ceramics with high power and energy density and excellent high-temperature stability Author links open overlay panel Lei Zhang, Yongping Pu, Min Chen, Tianchen Wei, Xin Peng
Sandwich structured lead-free ceramics based on Bi0.5Na0.5TiO3 for high energy storage
An ultrahigh recoverable energy storage density of ∼6 J cm⁻³ and a nearly ideal energy conversion efficiency of ∼95% can be obtained for the prepared sandwich structured lead-free ceramics
Design strategies of high-performance lead-free
This review briefly discusses the energy storage mechanism and fundamental characteristics of a dielectric capacitor, summarizes and compares the state
Realizing ultra-high energy storage density of lead-free
If lead-free ceramics want to obtain high ESP, they need to have high P max, low P r and high breakdown strength (BDS). According to the recently reported