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sodium niobate doping modification energy storage
Greatly improved energy storage density of
The increase in energy storage density of SrO 2 –BaO 2 –Nb 2 O 5 –SiO 2 –Al 2 O 3 –B 2 O 3 glass ceramics can be attributed to the appropriate concentration of CeO 2 doping, which can increase the crystallinity and reduce the interfacial activation energy, thereby improving the dielectric properties and breakdown strength of the glass
Enhanced Energy Storage Performance of Sodium Niobate-Based
Sodium niobate (NaNbO 3)-based lead-free ceramics have been actively studied for energy storage applications because of their antiferroelectric and/or relaxor
Ultrahigh Energy Storage Characteristics of Sodium Niobate
In addition, the high volatility of Bi at high temperatures increases the defects in the ceramics. This paper provides a new idea of doping modification of sodium NaNbO3-based energy storage ceramics.
Modulating the energy storage performance of NaNbO3-based lead-free ceramics for pulsed power capacitors
The common method to tailor the electrical properties of NaNbO 3 is a doping modification [33 Lead-free antiferroelectric silver niobate tantalate with high energy storage performance Adv. Mater., 29 (2017), p. 1701824 View in Scopus Google Scholar [27] J. Ye
High comprehensive energy storage properties in (Sm, Ti) co-doped sodium niobate
Although the energy storage performance was general, doping with La inhibited P r . The ceramics doped with La(Mg 0.5 Zr 0.5 )O 3 in a Sr 0.7 Bi 0.2 TiO 3 matrix studied by Chen achieved an energy
Modulated band structure and phase transitions in
This work not only achieved outstanding comprehensive energy storage performance in sodium niobate-based ceramics by modulating the antiferroelectric structure but also provided a feasible route
Excellent Energy Storage Properties Achieved in Sodium Niobate
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
Ultrahigh Energy Storage Characteristics of Sodium Niobate
Ultrahigh Energy Storage Characteristics of Sodium Niobate-Based Ceramics by Introducing a Local Random Field. , the energy storage characteristics can be improved by reducing the residual polarization and increasing the breakdown strength. In this work, the doping modification of the NaNbO3 (NN) ceramics is used to produce a local
Niobium-doped layered cathode material for high-power and low
To circumvent these issues, we propose a P2-type Na0.78Ni0.31Mn0.67Nb0.02O2 (P2-NaMNNb) cathode active material where the
Enhanced energy-storage density in sodium-barium-niobate
The barium sodium niobate (BNN) glass-ceramics with different amount of CaF2 addition were fabricated by melting-crystallization method. Effects of CaF2 on microstructure, phase compositions, interface polarization, dielectric, energy-storage and charge–discharge properties of the BNN-glass-ceramics were comprehensively studied.
Contribution of irreversible non-180° domain to performance for multiphase coexisted potassium sodium niobate
Seeking eco-friendly materials with equivalent performance to lead-based piezoelectric materials remains an urgent demand. Here, the authors design potassium–sodium niobate-based lead-free
Extraordinary energy storage performance and thermal stability in
The validity of Mn element on enhanced energy storage performance and fatigue resistance of Mn-doped 0.7Na0.5Bi0.5TiO3–0.3Sr0.7Bi0.2TiO3 lead-free ferroelectric ceramics (BNT–BST–xMn) is certified by doping. The effects of Mn modification on the dielectric behavior, ferroelectric, energy storage properties, and AC impedance are
Ultrahigh Energy Storage Characteristics of Sodium Niobate-Based
In this work, the doping modification of the NaNbO 3 (NN) ceramics is used to produce a local random field to improve the electrical breakdown strength,
Reversible electric-field-induced phase transition in Ca-modified
Sodium niobate (NaNbO 3) is a potential material for lead-free dielectric ceramic capacitors for energy storage applications because of its antipolar ordering. In
(PDF) A Brief Review of Sodium Bismuth Titanate-Based Lead-Free
A Brief Review of Sodium Bismuth Titanate-Based Lead-Free Materials for Energy Storage: Solid Solution Modification, Metal/Metallic Oxide Doping, Defect Engineering and Process Optimizing
Multiscale reconfiguration induced highly saturated poling in lead
Under the joint blessing of Curie temperature and piezoelectricity, sodium potassium niobate (K 0.5 Na 0.5 NbO 3, KNN) based piezoceramics have become the most favored alternative component of
Conduction mechanism of donor and acceptor doped sodium niobate
Recently, NaNbO 3 (NN) has become a hot topic of current research due to its antiferroelectric energy storage properties, which demand that the ceramics withstand large applied electric fields. The breakdown strength is dependent on conduction properties, but there is limited research on the conduction mechanisms of NN.
A Brief Review of Sodium Bismuth Titanate-Based Lead-Free
2. Fundamental Principle of Energy Storage According to the classical electromagnetic theory, the energy storage density refers to the electric energy contained in a unit volume, and the unit usually used is J cm-3. Since BNT is a nonlinear dielectric, its energy storage capacity can be calculated from the fol-lowing Equations (1). (3) [5,9
Ultrahigh energy storage performance in AN-based
Hence, an ultra-high recoverable energy density (7.6 J/cm 3) and a high efficiency (79 %) are simultaneously achieved in the Ag 0.64 Bi 0.12 NbO 3 ceramics under 52.2 kV/mm. Moreover, the excellent energy storage properties are accompanied with good temperature and frequency stability, with the variation of Wrec less than ± 15% (over
Excellent Energy Storage Properties Achieved in Sodium Niobate-Based Relaxor Ceramics through Doping
Lead-free relaxor ferroelectric ceramics are potential for energy storage applications due to their comprehensive energy storage properties. However, the energy efficiency of many relaxor ceramics is not high enough, leading to high Joule heat during the charge-discharge cycles, thus lowering their
Enhanced energy density and electric cycling reliability
Sodium niobate (NaNbO3)‐based dielectrics have received much attention for energy storage applications due to their low‐cost, lightweight, and nontoxic nature. The field‐induced metastable
High comprehensive energy storage properties in (Sm, Ti) co
In this work, equimolar Sm3+ and Ti4+ cations were doped in NaNbO3 to increase relaxor characteristics and energy storage properties. The optimal recoverable
Improved energy storage performance of bismuth sodium titanate-based lead-free relaxor ferroelectric ceramics via Bi-containing complex ions doping
Lead-free dielectric ceramics can be used to make quick charge–discharge capacitor devices due to their high power density. Their use in advanced electronic systems, however, has been hampered by their poor energy storage performance (ESP), which includes low energy storage efficiency and recoverable
Ultrahigh Energy Storage Characteristics of Sodium Niobate
In this work, the doping modification of the NaNbO 3 (NN) ceramics is used to produce a local random field to improve the electrical breakdown strength, obtaining a lead-free dielectric capacitor with high energy storage characteristics.
Enhanced energy storage performance of NaNbO3-based
The energy storage performance (ESP) of ceramic materials can be calculated from the polarization-electric field (P−E) hysteresis loop [8]: W t = ∫ 0 P m E d P, W r = ∫ P r P m E d P, η = W t W r × 100 %, where W t, W r, and η represent the total energy storage density, recoverable energy storage density, and energy storage efficiency
Improved energy storage performance of bismuth sodium
Lead-free dielectric ceramics can be used to make quick charge–discharge capacitor devices due to their high power density. Their use in advanced electronic systems, however, has been hampered by their poor energy storage performance (ESP), which includes low energy storage efficiency and recoverable energy storage density ( W _rec). In this
Enhanced Energy Storage Performance of Sodium Niobate
Sodium niobate (NaNbO3)-based lead-free ceramics have been actively studied for energy storage applications because of their antiferroelectric and/or relaxor features achieved in modified systems.
Enhanced energy density and electric cycling reliability
Sodium niobate (NaNbO 3)-based dielectrics have received much attention for energy storage applications due to their low-cost, lightweight, and nontoxic nature.The field-induced metastable ferroelectric phase in NaNbO 3-based dielectrics, however, leads to a large hysteresis of the polarization–electric field (P – E) loops and
Enhanced comprehensive energy storage properties in NaNbO
To meet the great demands for energy storage devices, dielectric materials are urgently expected in recent years, owing to their promising properties such as high working voltage, large power density, fast charge-discharge rate, and long lifespan [1,2,3].Among the dielectric materials, lead-free ceramics with good energy storage
Improved capacitive energy storage in sodium niobate-based
Accordingly, a double polarization–electric field (P–E) loop becomes slimmer with increasing incorporation of dopants, leading to an ultrahigh recoverable
Capacitive energy storage performance of lead-free sodium niobate
where P, P max, P r and E are the polarization, maximum polarization, remanent polarization and external electric field, respectively. Evidently, a high P max, a small P r and a large electric breakdown strength (E b) help to achieve excellent capacitive energy storage.. At present, polymer, film and ceramic-based dielectric materials are
Contribution of irreversible non-180° domain to performance for
For example, the giant electrostrain values of 0.7% (d 33 * ~1400 pm/V) and 1.05% (d 33 * ~2100 pm/V) have been achieved in bismuth sodium titanate [(Bi, Na)TiO 3, BNT] and potassium–sodium
Capacitive energy storage performance of lead-free sodium
This study suggests that the incorporation of relaxor properties into antiferroelectric ceramics is a beneficial route to boost the dielectric energy storage
Modified Sodium niobate-based 0.76(NaNbO3)-0.24(Sr0.55La0.3TiO3) ceramics for energy storage
strategy, we propose a system based on lead-free materials (Sodium niobate precursors) with an enhanced breakdown electric field, resulting in an exquisite energy storage density within perovskite NaNbO
Excellent Energy Storage Properties Achieved in Sodium Niobate
As a result, the optimal recoverable energy density and energy efficiency are 6.5 J/cm 3 and 94% at 450 kV/cm, respectively. In addition, the energy storage properties exhibit satisfactory temperature stability and cycling reliability. All these merits demonstrate that the Ta modified sodium niobate-based relaxor ceramic a potential candidate
Significant increase in comprehensive energy storage performance of
An ultrahigh W Rec of 8.09 J·cm −3 was achieved at the optimum composition of x = 0.15 under the electric field of 870 kV·cm −1.. Such high W Rec was accompanied by a high energy storage efficiency (η) of 88.5%, which is superior to that of other KNN-based bulk ceramics and very important for practical applications.. The
Crystals | Free Full-Text | A Brief Review of Sodium Bismuth
With the ever-increasing demand for energy, research on energy storage materials is imperative. Thereinto, dielectric materials are regarded as one of the potential candidates for application in advanced pulsed capacitors by reason of their ultrahigh energy-storage density, low energy loss, and good thermal stability. Among the
Modulated band structure and phase transitions in
Lead-free silver niobate (AgNbO 3, AN)-based dielectric ceramics have attracted intense attention for high-power energy storage applications since 2016 due to their electric-field-assisted antiferroelectric-ferroelectric phase transition this work, chemical compositions of 0.2 wt.% Mn-doped (1-x)AgNbO 3-xCa(Hf 0.2 Ti 0.8)O 3 (AN
Enhanced energy storage density and discharge
Semantic Scholar extracted view of "Enhanced energy storage density and discharge efficiency in potassium sodium niobite-based ceramics prepared using a new scheme" by Yingda Li et al. Abstract Sodium niobate (NaNbO3)-based antiferroelectric Effect of Ca2+/Hf4+ modification at A/B sites on energy-storage density of
A new family of sodium niobate-based dielectrics for electrical energy
For energy storage applications in Bi 0.5 Na 0.5 TiO 3 (BNT)-based materials, the key challenges are the premature polarization saturation and low breakdown electric field (E b), which confine the energy storage capacity of BNT and significantly restrict progress in advancing pulsed power capacitors.Hence, the cooperative
