Enhanced electrocaloric analysis and energy-storage performance of lanthanum modified lead titanate ceramics for potential solid-state refrigeration applications
Customer Service1. Introduction. The lead oxide is harmful to human body as well as environment due to its volatility and toxicity nature during preparation process of the material [1].Hence, there is a serious need to grow environment-friendly materials with first-rate ferroelectric properties to replace the lead-based ceramics [2].Barium titanate (BaTiO 3) is one of the best lead-free
Customer ServiceNew glass–ceramic (GC) nanocrystals of xBaTiO3– (80–x)V2O5–20PbO glasses (where x = 5, 10, 15, 20 and 25 mol%) were synthesized via heat treatment at crystallization peak temperature (Tp)...
Customer ServiceYan et al. achieved high BDS value of 360 kV/cm in the Barium Titanate-based ceramics through a dual strategy of film forming technology and A-site charge compensation, and obtained high discharge energy density of 3.98 J/cm 3 [18].
Customer ServiceThis paper explores dielectric materials with suitable permittivity and breakdown strength. It focuses on enhancing the energy storage capabilities of Barium Titanate-based
Customer ServiceWe have investigated the effect of calcium ion substitution on the structural, optical, electrical and dielectric properties of this compound. Ba 0.9 Ca 0.1 TiO 3 ceramic was
Customer ServiceDielectric ceramic capacitors, with the advantages of high power density, fast charge-discharge capability, excellent fatigue endurance, and good high temperature stability, have been acknowledged to be promising candidates for solid-state pulse power systems. This review investigates the energy storage performances of linear dielectric, relaxor ferroelectric,
Customer ServiceSEM analysis revealed a refined grain microstructure in the Mg 2+ doped BT sample, which resulted in improved thermal stability and pinched ferroelectric hysteresis loops. Incorporating Mg 2+ ions into the BT host lattice significantly enhanced energy storage density from 0.204 J/cm 3 to 1.42 J/cm 3 and efficiency rising from 21 to 89%.
Customer ServiceYan et al. achieved high BDS value of 360 kV/cm in the Barium Titanate-based ceramics through a dual strategy of film forming technology and A-site charge compensation,
Customer ServiceDielectric materials are gaining attention for energy storage due to their high power density. However, their low energy density limits their applications. This paper explores dielectric materials with suitable permittivity and breakdown strength. It focuses on enhancing the energy storage capabilities of Barium Titanate-based ceramics by adding Niobium Oxide. The
Customer ServiceHence, we propose an innovative design strategy to stimulate the potential capability of energy storage in BaTiO 3 (BT)-based ceramics by B-site [Li Ti –V o] − defect dipole engineering. A systematic analysis proves that
Customer ServiceTo study the structural, electronic, and optical properties of lead-free Barium titanate BaTiO3 (BT) ferroelectric material in its tetragonal structure, a combination of experimental and
Customer ServiceIt focuses on enhancing the energy storage capabilities of Barium Titanate-based ceramics by adding Niobium Oxide. The study investigates the effects of Nb2O5
Customer ServiceHence, we propose an innovative design strategy to stimulate the potential capability of energy storage in BaTiO 3 (BT)-based ceramics by B-site [Li Ti –V o] − defect dipole engineering. A systematic analysis proves that the Li-occupied Ti-site in the unit cell of BT moves along the [001] direction. In this case, Li
Customer ServiceSEM analysis revealed a refined grain microstructure in the Mg 2+ doped BT sample, which resulted in improved thermal stability and pinched ferroelectric hysteresis loops.
Customer ServiceBa0.6Sr0.4TiO3 based glass–ceramics were prepared by sol–gel process. Influences of B–Si–O glass content on the microstructure, dielectric, and energy storage properties of the BST based glass–ceramics have been investigated. Perovskite barium strontium titanate phase was found at annealing temperature 800 °C. A secondary phase Ba2TiSi2O8
Customer ServicePure and Rb-doped Barium Titanate with various concentrations (1 mol%, 5 mol%, and 10 mol%) were synthesized via solid-state reaction method and are reported. The effect of Rb substitution on the structure, ferroelectric and dielectric properties of Barium Titanate (BT) was systematically investigated. The XRD analysis confirmed the presence of a
Customer ServiceNew glass–ceramic (GC) nanocrystals of xBaTiO3– (80–x)V2O5–20PbO glasses (where x = 5, 10, 15, 20 and 25 mol%) were synthesized via heat treatment at crystallization peak temperature (Tp)...
Customer ServiceWe have investigated the effect of calcium ion substitution on the structural, optical, electrical and dielectric properties of this compound. Ba 0.9 Ca 0.1 TiO 3 ceramic was elaborated using the solid-state diffusion method. This compound crystallized in the tetragonal phase with a crystallite size of 22 nm. Fourier transform infrared
Customer ServiceAdvanced ceramic materials like barium titanate (BaTiO3) and lead zirconate titanate (PZT) CMCs can be employed in energy storage systems as structural components or as reinforcement materials for lightweight and durable enclosures. For example, CMCs can be used in flywheel energy storage systems to fabricate high-strength rotors capable of storing
Customer ServiceIt focuses on enhancing the energy storage capabilities of Barium Titanate-based ceramics by adding Niobium Oxide. The study investigates the effects of Nb2O5 addition on 0.98BT-0.02BMC ceramics. XRD analysis confirms a
Customer ServiceWe comprehensively examined their crystal structures, microstates, and energy-storage properties. These insights offer new perspectives for research in the field of lead-free
Customer ServiceThe effect of calcium substitution on the structural, dielectric, ferroelectric, piezoelectric, and energy storage properties of BaTiO3 (BT) ceramics has been investigated. XRD confirmed...
Customer ServiceA GC nanocrystal has an intentional energy storage density of 104 mJ cm−3. These findings indicate that the current glass–ceramic nanocrystals are a promising material for creating energy storage devices.
Customer ServiceA GC nanocrystal has an intentional energy storage density of 104 mJ cm−3. These findings indicate that the current glass–ceramic nanocrystals are a promising material
Customer ServiceWe comprehensively examined their crystal structures, microstates, and energy-storage properties. These insights offer new perspectives for research in the field of lead-free barium titanate-based ceramics. Recently, rapid energy consumption and environmental pollution have become significant global challenges.
Customer ServiceDysprosium doping induced effects on structural, dielectric, energy storage density, and electro-caloric response of lead-free ferroelectric barium titanate ceramics January 2024 Journal of
Customer ServiceThis paper explores dielectric materials with suitable permittivity and breakdown strength. It focuses on enhancing the energy storage capabilities of Barium Titanate-based ceramics by adding Niobium Oxide. The study investigates the effects of Nb2O5 addition on 0.98BT-0.02BMC ceramics. XRD analysis confirms a single perovskite phase
Customer ServiceThe effect of calcium substitution on the structural, dielectric, ferroelectric, piezoelectric, and energy storage properties of BaTiO3 (BT) ceramics has been investigated.
Customer ServiceDespite the pivotal role of stannum doping in achieving ultrahigh piezoelectric performance in barium titanate-based ceramics, the fundamental mechanisms underlying this enhancement remain elusive.
Customer ServiceYan et al. achieved high BDS value of 360 kV/cm in the Barium Titanate-based ceramics through a dual strategy of film forming technology and A-site charge compensation, and obtained high discharge energy density of 3.98 J/cm 3 [ 18 ].
A ferroelectric-paraelectric transition is evidenced from the variation of the dielectric constant with temperature. Barium titanate is one of the most studied perovskite materials owing to its ability to the substitution in both sites, to its high dielectric constant and to its stability.
Barium Titanate ceramics are widely used in capacitor field due to their high dielectric constant and low dielectric loss. However, their low energy storage density limits the application in high energy density energy storage devices [ 8, 9 ].
Besides, the incorporation of the Ca2+ ion into barium titanate results in a slight decrease in the value of Z’. At high frequency, the values of Z’ merge for all temperatures which indicates the existence of space charge polarization .
Barium titanate has been widely used because of their piezoelectric as well as pyroelectric behavior, large value of dielectric constant and small value of dielectric loss . The general chemical formula of barium titanate is ATiO 3 or BaBO 3 where (A = Sr, Pb etc. and B = Zr, Sn, Hf etc.).
Barium titanate is one of the most studied perovskite materials owing to its ability to the substitution in both sites, to its high dielectric constant and to its stability.
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