The excellent energy storage and pulse charge-discharge performance ceramics with high temperature stability and optical transmissivity are competitive for the development of electronic devices. In this work, comprehensive improved performances are simultaneously realized in Dy x Sr 1- x TiO 3 (DST) ceramics through defect and interface …
Get a quoteSupercapacitors (SCs) are a kind of energy storage that replaces conventional batteries and capacitors. Compared to capacitors, they can store more energy and supply power at a faster rate. Co3O4 nanoparticles have been employed in various products, including rechargeable Li-ion batteries, solar cells, supercapacitors, field effect …
Get a quoteHowever, the low polarizability and high remnant polarization of the existing transparent dielectric ceramics limit the promotion of energy storage performance. Here, Bi(Li0.5Nb0.5)O3 (BLN) was chosen to modify the (K0.5Na0.5)NbO3 (KNN)-based ceramics to optimize the optical transmittance and energy storage characteristics simultaneously
Get a quoteAbstract. For a complete optical computing system, optical storage is required. Optical storage needs to reflect better than the current performance of electromagnetic storage, such as storage density, read-and-write speed. Current 2D storage technologies such as magnetic storage, traditional optical disk storage, and …
Get a quoteThe (1-x)KNN-xBSZ ceramics demonstrated high breakdown field strength and good optical transmittance at x = 0.125, confirming the feasibility of achieving high energy storage and high transparency through component modulation.
Get a quoteAs a result, a high recoverable energy-storage density of 5.14 J/cm 3 and its energy efficiency of 79.65% are achieved in BNT–0.5NN ceramic at 286 kV/cm. Furthermore, NN-doping can promote the densification to improve the optical transmittance of BNT, rising from ∼26% ( x = 0.2) to ∼32% ( x = 0.5) in the visible light region.
Get a quoteDevelopment of lead-free ceramics with sufficient energy storage density is the main challenge for dielectric energy storage ceramics. Up to now, extensive investigations have illustrated that the excellent performances of a capacitor depend on the high dielectric breakdown strength (BDS), high maximum polarization ( P max ) and low …
Get a quoteZnO/epoxy nanocomposites were prepared in five different contents (0.25–3.0 wt%). Optical, thermal and dielectric properties have been examined as a function of ZnO nanoparticles. The absorption optical spectra exhibit a broad intense peak assigned to the n–π* (HOMO–LUMO) transitions. Nanocomposite with 3.0 wt% ZnO sample …
Get a quoteCeramic capacitors designed for energy storage demand both high energy density and efficiency. Achieving a high breakdown strength based on linear dielectrics is of utmost importance. In this study, we present the remarkable performance of densely sintered (1–x)(Ca 0.5 Sr 0.5 TiO 3)-xBa 4 Sm 28/3 Ti 18 O 54 ceramics as energy storage …
Get a quoteGuo, M. et al. High-energy-density ferroelectric polymer nanocomposites for capacitive energy storage: enhanced breakdown strength and improved discharge efficiency. Mater. Today 29, 49–67 (2019).
Get a quoteThe concept of ordered structures and associated optical properties, such as structural color, are found in materials classified as photonic crystals (PhCs). From the first suggestions of alternating dielectric slabs and their applications to light manipulation, [53, 54] PhCs have been explored for their inherent optical abilities. ...
Get a quoteNanocellulose has emerged as a sustainable and promising nanomaterial owing to its unique structures, superb properties, and natural abundance. Here, we present a comprehensive review of the …
Get a quoteWe find the NN-doping can enhance the polarization and breakdown strength of BNT by suppressing the grain growth and restrained the reduction of Ti 4+ to Ti 3+. As a result, a high recoverable energy …
Get a quoteHomogeneous (Na0.5Bi0.5)(1–x)BaxTi(1–y)SnyO3 ceramics were densified by a combination of cold isostatic pressing and microwave sintering (CIP&MS strategy), and their phase transition and ferroelectric properties were investigated. X-ray diffraction (XRD) analysis proves that the reaction between Na0.5Bi0.5TiO3 (NBT) and BaSnO3 (BSN) …
Get a quoteFunctional load-bearing materials based on phase-change materials (PCMs) are under rapid development for thermal energy storage (TES) applications. Mesoporous structures are ideal carriers for PCMs and guarantee shape stability during the thermal cycle. In this study, we introduce transparent wood (TW) as a TES system. A shape-stabilized …
Get a quoteIn recent years, niobate GCs are mainly used for linear dielectric energy storage because of their excellent high breakdown strength and dielectric properties. It is also a potential excellent luminescent matrix material because of its variable crystal structure, low light scattering energy, and wide band gap [26], [27], [28].
Get a quoteThe newly developed ceramic, (1-x) KNN-xBSZ, exhibited remarkable performance characteristics, including an energy storage density of 4.13 J/cm 3, a …
Get a quoteTherefore, high effective energy storage density (W rec) of 7.17 J/cm 3, energy storage efficiency (η) of 65.4%, and strong green/red upconversion photoluminescence are obtained in x = 0.2 sample. This work opens up a paradigm to develop multifunctional ferroelectric ceramics for application in electro-optical devices.
Get a quoteDielectric capacitors have garnered significant attention in recent decades for their wide range of uses in contemporary electronic and electrical power systems. The integration of a high breakdown field polymer matrix with various types of fillers in dielectric polymer nanocomposites has attracted significant attention from both academic and …
Get a quoteThe glass-ceramic with x = 0.3 simultaneously achieves high optical transmittance (63%), high discharge energy density (4.58 J/cm 3) and energy storage efficiency (98%) and good temperature stability, which …
Get a quoteWhile the reddish-orange emitting phosphors M 2 Si 5 N 8 :Eu 2+ (M = Ca, Sr) have been intensively investigated as potential materials for white-light-emitting …
Get a quoteWhile the reddish-orange emitting phosphors M 2 Si 5 N 8:Eu 2+ (M = Ca, Sr) have been intensively investigated as potential materials for white-light-emitting diodes, in this study, optical energy storage properties of (Ca 1−x Sr x) 2 Si 5 N 8: Eu 2+, Tm 3+ (x = 0–1) solid solutions were tuned by cation substitution, which was commonly used to …
Get a quoteThe details of the mechanism of persistent luminescence were probed by investigating the trap level structure of Sr2MgSi2O7:Eu2+,R3+ materials (R: Y, La-Lu, excluding Pm and Eu) with thermoluminescence (TL) measurements and Density Functional Theory (DFT) calculations. The TL results indicated that the shallowest traps for each …
Get a quoteHere, Bi(Li0.5Nb0.5)O3 (BLN) was chosen to modify the (K0.5Na0.5)NbO3 (KNN)‐based ceramics to optimize the optical transmittance and energy storage characteristics simultaneously. On the one hand, the grain growth is inhibited, contributing to the improved breakdown strength and transmittance.
Get a quoteFinally, future perspectives are considered in the implementation of fiber optics into high-value battery applications such as grid-scale energy storage fault detection and prediction systems. Applications of fiber optic sensors to battery monitoring have been increasing due to the growing need of enhanced battery management systems with …
Get a quoteIn electro-optic materials, the index of refraction is a nonlinear function of the strength of the external electric field. Instead of expanding the material polarization in a power series as a function of the external field strength as in Equation 3.2.1 3.2.1, the index of refraction is expanded. Pockels and Kerr coefficients are defined as ...
Get a quoteA comprehensive investigation of structural, microstructural, optical, electrocaloric, and energy storage properties of Ho-modified NBT-BT lead-free ceramics …
Get a quoteare important materials for making flexible energy storage devices because of their electrical and mechanical propert ... Comparison of tensile strength and Young''s modulus for materials having isotropic in-plane properties: πBMG sheets (red star ...
Get a quoteTherefore, recoverable energy storage density (W r e c), energy loss density (W l o s s) and energy storage efficiency (η) have the significance are calculated using the following relations [36]. (2) W r e c = ∫ P r P max E d P With reference 2, 3, & 4 equations, the W r e c, W l o s s and η were calculated for the Ho doped NBT – BT …
Get a quoteIn optics, optical power (also referred to as dioptric power, refractive power, focusing power, or convergence power) is the degree to which a lens, mirror, or other optical system converges or diverges light. It is equal to the reciprocal of the focal length of the device: P = 1/f. [1] High optical power corresponds to short focal length.
Get a quoteShared energy storage system provides flexible adjustment capabilities during load peaks and valleys to reduce the cost of curtailment and reduces the operation cost by 25.91%. In addition to DG, VPP3 is only equipped with …
Get a quoteThe electric displacement is related to applied electric field by [6] (2) D = ε 0 ε r E where ε 0 = 8.85 × 10-12 F m-1 is the vacuum permittivity, and ε r is the relative dielectric permittivity, also known as the dielectric constant. In addition, the maximum U d is achieved at the breakdown strength (E b), which represents the highest electric field …
Get a quoteThe excellent energy storage and pulse charge-discharge performance ceramics with high temperature stability and optical transmissivity are competitive for the …
Get a quoteOptical storage discs with 100-year lifetimes can reduce the energy consumed for storage by more than 99.4% compared with HDD arrays, which require 50 data transfers in a 100-year information ...
Get a quoteWe demonstrate that introduction of heterostructure nanoparticles into a polymer matrix is an effective strategy to substantially enhance dielectric breakdown strength (E b) and thus a high electrostatic energy storage density (U e) can be obtained, which is highly desired in modern electronic and electrical systems for energy storage …
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