energy storage in applied physics

Enhancement of energy storage properties of Bi

A high energy storage (W r) of 4.07 J/cm 3 and efficiency (η) of 91% are simultaneously obtained in 0.94[0.9(Bi 0.5 Na 0.5) 0.7 Sr 0.3 TiO 3-0.1 Bi(Mg 2/3 Nb 1/3)O 3]-0.06BaZrO 3 ceramic under a medium electric field of 260 kV/cm. Additionally, the ceramic also exhibits excellent temperature and frequency stability. Furthermore, the …

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Tripling energy storage density through order–disorder transition ...

In this study, order–disorder transition induced polar nanoregions have been achieved in PbZrO 3 thin films by making use of the low-energy ion implantation, enabling us to overcome the trade-off between high polarizability and breakdown strength, which …

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Significantly enhanced dielectric breakdown strength of …

The utilization of ferroelectric ceramics in electrical energy storage has become a hot topic due to the urgent need for advanced pulsed power and high power energy storage applications. Much attention has been paid to achieving nanograined ferroelectric ceramics but little to the effect of grain size uniformity, which is critical for ...

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Advanced Energy Storage Devices: Basic ...

We then introduce the state-of-the-art materials and electrode design strategies used for high-performance energy storage. Intrinsic pseudocapacitive materials are identified, extrinsic pseudocapacitive materials are discussed, and novel hybrid structures are proposed for high-performance energy storage devices.

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High field tunneling as a limiting factor of maximum energy …

Due to the requirement of high energy efficiency, high field conduction places a limit for the maximum operation field, which could be lower than the breakdown field and act as the limiting factor of energy density.

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Vortex domain configuration for energy-storage ferroelectric …

As a result, a large discharge energy of 6.5 J/cm 3 was obtained in BT ferroelectric ceramics with a shell fraction of 5% and a shell permittivity of 20 under the applied electric field of 100 kV/mm, which is almost 140% higher than that with no shell structure. In general, the vortex domain engineering proposed in this work can serve as a ...

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Journal of Physics D: Applied Physics

Journal of Physics D: Applied Physics. ISSN: 1361-6463. SUPPORTS OPEN ACCESS. An international journal publishing high quality work concerned with all aspects of applied physics research, from biophysics, magnetism, plasmas, semiconductors, energy materials and devices to the structure and properties of matter. …

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Phase change materials for thermal energy storage: A perspective …

Thermal energy storage materials and associated properties that govern thermal transport need to be tailored to these specific applications, which may include controlling transition temperatures, energy density (i.e., heat capacity or latent heat of fusion), thermal conductivity, nucleation dynamics, and overall enthalpies and …

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Use of carbon dioxide in energy storage | Applied Physics …

Use of carbon dioxide in energy storage. We have investigated an energy‐storage cycle in which CO 2 is electrochemically reduced to formic acid, HCOOH. The product can be used in several ways. By means of a catalyst, it can be converted to hydrgen for use as a fuel or raw material. We have obtained data on the efficiency of the …

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Applications of magnetic field for electrochemical energy storage

The employment of the magnetic field, providing a noncontact energy, is able to exhibit outstanding advantages that are reflected in inducing the interaction between materials on the molecular scale, driving chemical transport to change the phase structure of electrode materials, constructing hierarchical or well-ordered nanostructure of ...

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A thermodynamic potential, energy storage performances, and ...

The phase-field method has been extensively applied to studying the ferroelectric domain structures and switching, 15–17 electrocaloric effects, 18–23 dielectric breakdown, 24–26 and energy-storage material design. 26 In the phase-field method of ferroelectrics, a Landau potential describes the thermodynamic stability of different polar …

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Enhanced energy storage properties in relaxor Pb (Mg

Recently, relaxor ferroelectric thin-film capacitors have attracted considerable attention for energy storage applications since their slim-type polarization–electric field hysteresis loops can yield large recoverable energy density (W rec) and high efficiency (η) this work, we study the effects of buffer layers on energy …

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One-dimensional nanomaterials for energy storage

The search for higher energy density, safer, and longer cycling-life energy storage systems is progressing quickly. One-dimensional (1D) nanomaterials have a …

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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 energy density of 11.5 J/cm 3, an energy storage efficiency of 86.2%, outstanding frequency/cycling/thermal reliability, and charge–discharge properties in 0.90NaNbO 3 …

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Solid-state thermal energy storage using reversible martensitic ...

American Association of Physics Teachers ; American Crystallographic Association, Inc. AVS: Science and Technology of Materials, Interfaces and Processing ; ... during transient heating and cooling using NiTi was obtained by cyclic Joule-heating in a simulated thermal energy storage application. Compared to standard solid-solid …

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Mn doping to enhance energy storage performance of lead-free …

In this study, we present an effective strategy to enhance energy-storage density by the Mn 2+ substitution of Ti 4+ into 0.7(Na 0.5 Bi 0.5)TiO 3-0.3SrTiO 3 (0.7NBT-0.3ST) relaxor ferroelectric thin films. The influence of Mn doping on the microstructures, ferroelectric properties, and energy-storage performances of the as-prepared films was …

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High energy-storage performance in Pb

The microstructure, electrical properties, and energy-storage performance of the obtained thin films were investigated in detail. X-ray diffraction (XRD) analysis and field-emission scanning electron microscopy pictures indicated that the crystallized thin films showed a random orientation with uniform and dense microstructure.

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Temperature-dependent energy storage properties of …

The energy storage properties of antiferroelectric (AFE) Pb 0.96 La 0.04 Zr 0.98 Ti 0.02 O 3 (PLZT 4/98/2) thin films were investigated as a function of temperature and applied electric field. The results indicated that recoverable energy density (U re) and charge-discharge efficiency (η) of PLZT (4/98/2) depend weakly on temperature (from …

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Achieving high energy storage performances in high-entropy …

Therefore, the NBTHZS film achieves a ∼16 times enhancement of energy density (from 5.1 J/cm 3 of the NBT film to 81 J/cm 3 of the NBTHZS film) and a high efficiency of 74.1% as well as an excellent performance reliability. The results shed light on enhancing dielectric energy storage properties of NBT-based films by forming high …

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Nanochargers: Energetic materials for energy storage | Applied …

Nanotechnology has spurred the understanding of unique nanoparticle combustion behaviors that enable creation of nanochargers with optimized heat capacity …

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Phys. Rev. Applied 8, 034014 (2017)

We demonstrate a strategy to enhance the energy-storage density with topological vortex structures in nanocomposites. Using three-dimensional phase field …

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Enhancement of energy storage in epitaxial PbZrO

We demonstrate an approach to enhance the energy storage density W of antiferroelectric film through simple altering a crystallographic orientation of the substrate. We reveal that the antiferroelectric phase stability of PbZrO 3 can be enhanced for the (110) or (111) SrTiO 3 substrate orientation, thus suppresses the antiferroelectric-ferroelectric …

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Influence of structural evolution on energy storage properties in Bi

A relatively large energy storage density was obtained W Rec ∼ 0.74 J/cm 3 at 7 kV/mm for x = 0.05 at room temperature. Particularly, the energy storage properties exhibited temperature (25–160 °C) and frequency stability (0.1–20 Hz) with W Rec around 0.6 J/cm 3 at 6 kV/mm for x = 0.05 within the ergodic region. Pulsed discharging ...

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[Bi3+/Zr4+] induced ferroelectric to relaxor phase ...

Applied Physics A - The low breakdown strength and recoverable energy storage density of pure BaTiO3 (BT) dielectric ceramics limits the increase in energy-storage density. ... /cm3), energy storage efficiency (ƞ = 86%) and dielectric breakdown strength Eb = 700kV/cm. The enhancement of energy storage performance is due to the …

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Significantly enhanced electrostatic energy storage performances …

Furthermore, the nanocomposite exhibits improved high-temperature energy storage performance, good long-term reliability, and enhanced discharge capability. Therefore, nanocomposites based on ultralow loading of BT nanoparticles provide a promising approach for the development and application of high-energy-density polymer …

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Segregation particles induced ultrahigh energy storage …

Lead-free BiMnO 3 modified BaTiO 3 solid solution films are prepared by Sol-gel methods. An ultrahigh energy storage density of 94.1 J/cm 3 and an efficiency of 84.51% are obtained, together with excellent frequency and thermal stability, in 0.92BaTiO 3-0.08BiMnO 3 solid solution films. The Jujube-Cake structure of the segregation …

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Significant enhancement of energy-storage performance of (Pb

A giant recoverable energy-storage density of 30.8 J/cm 3 was obtained in 1 mol. % Mn-doped films. Moreover, good temperature-dependent energy-storage stability was also observed in the films. These results indicated that Mn-doping was an efficient way to optimize the energy-storage behaviors of PLZT RFE films.

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Electric energy storage properties of poly(vinylidene fluoride)

To understand how crystalline properties influence the energy storage properties of PVDF, PVDF films with three different crystal forms are investigated in this paper. It is shown that γ -PVDF is allowed to work under higher electric fields than α - and β -PVDF in the absence of phase transition in α -PVDF and early polarization saturation ...

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Energy storage characteristics of (Pb,La) (Zr,Sn,Ti)O

The results show that an optimum Sn content leads to the realization of both large recoverable energy density (W re) and high energy efficiency (η) in a single material. With a Sn content of 46%, the PLZST AFE ceramic exhibits the best room-temperature energy storage properties with a W re value as large as 3.2 J/cm 3 and an η value as …

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Magnetic Measurements Applied to Energy Storage

Owing to the capability of characterizing spin properties and high compatibility with the energy storage field, magnetic measurements are proven to be …

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Large recoverable energy storage density and efficiency in …

PbZrO 3-xSrTiO 3 solid solution thin films were designed and fabricated by a metal organic decomposition method, and their structural, ferroelectric, and energy storage characteristics were investigated systematically. It is found that the incorporation of SrTiO 3 not only gradually transforms PbZrO 3 from antiferroelectrics to relaxor …

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