The purpose of this study is to optimize the design of a composite laminate hydrogen storage vessel for minimizing stress concentration. The optimum design of this study uses the finite-element method combined with a simplified conjugated gradient method (SCGM) and genetic algorithm (GA) to find the minimization of von Mises stress of the composite …
Dielectric capacitors have attracted considerable attention in the search for miniaturized energy-storage devices because of their high power density and fast discharge speed. However, an obvious …
Their energy storage relies on the reversible oxidation–reduction reactions of lithium and the lithium-ion couple (Li/Li +) to store energy. Typically, metal oxide (LiMO 2, M = Co, Ni, Mn) or metal phosphate (LiFePO 4 ) are used as active material in the cathode, while the anode is composed of electrode material like graphite, silicon, or ...
The electrode material is the core component of an energy storage system and determines the ultimate electrochemical performance. There is an urgent demand for carbon nanomaterials with unique structures for applications as the anode of lithium-ion batteries and supercapacitor electrodes. Here, we synthesize
Here, we synthesize three-dimensional laminated porous carbon aerogels (CAs), composed of carbon nanospheres bridged with …
In order to further elucidate the evolution of the energy storage performance of the heterogeneous laminated ceramic with a PLSZS volume fraction of …
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 …
In this work, we rationally design dielectric composites comprising aligned 2D nanofillers of reduced graphene oxide (rGO) and boron nitride nanosheets (BNNS) in a polyvinylidene …
Energy storage systems (ESS) provide a means for improving the efficiency of electrical systems when there are imbalances between supply and demand. Additionally, they are a key element for improving the stability and quality of electrical networks. They add flexibility into the electrical system by mitigating the supply …
For the purpose of experimental validation, a laminated gypsum board consisting of a 4 mm PCM layer was evaluated and achieved a maximum heat flux and energy storage capacity of 15.6 W/m2 and 363. ...
Energy storage devices play an integral role in next-generation flexible electronics. Immense efforts have been made to satisfy the desire for lighter, miniature, and higher performance power resources in recent decades. ... [10]. Such laminated structure exhibits a high interfacial contact resistance and therefore are unfavorable for the fast ...
Additionally, it reaches an impressive energy density retention of up to 90% and maintains an energy efficiency as high as 86% at 400 MV m −1 in the temperature range of 25–200 C. The multidimensional coordination design is proposed to obtain composite films, and provides a feasible strategy in the study of polymer-based …
Polymers with excellent dielectric properties are strongly desired for pulsed power film capacitors. However, the adverse coupling between the dielectric constant and breakdown strength greatly limits the energy storage capability of polymers. In this work, we report an easily operated method to sol …
Remarkable performances are achieved for Li‐ion and Na‐ion energy storage systems at high charge–discharge rates (specific capacities of ≈90 mAh g−1 at 100 C rate for lithium and ≈125 ...
hand, the multi-barrier rotors or transversally laminated (TLA) synchronous reluctance machine can be made by easier and cheaper methods like induction machine [10].
The electrode material is the core component of an energy storage system and determines the ultimate electrochemical performance. There is an urgent demand for carbon nanomaterials with unique structures for applications as the anode of lithium-ion batteries and supercapacitor electrodes. ... Here, we synthesize three …
The increasing demand for high energy storage devices calls for concurrently enhanced dielectric constants and reduced dielectric losses of polymer dielectrics. In this work, we rationally design dielectric composites comprising aligned 2D nanofillers of reduced graphene oxide (rGO) and boron nitride nanosheets (BNNS) in a …
Dielectric composites play a crucial role in energy storage devices as they can provide high dielectric strength and energy storage density through the design of …
However, the relatively low recoverable energy storage density, energy efficiency and breakdown strength of AgNbO 3 ceramics severely limit their application in practice. In the present work, (Bi 0.2 Sr 0.7 )TiO 3 was introduced to improve the relaxation behavior in AgNbO 3 ceramics via two-step sintering, which contributed to a high …
Research on the energy storage performance of laminated composites based on multidimensional co-design in a broad temperature range ... Additionally, it reaches an impressive energy density retention of up to 90% and maintains an energy efficiency as high as 86% at 400 MV m −1 in the temperature range of 25–200 °C. The …
The optimally proportioned composite has an energy density of 3.41 J cm −3 (vs. 1.48 J cm −3 for pure PI) even at 200 C. Additionally, it reaches an impressive …
TY - JOUR T1 - Concepts for integrating electrical energy storage into CFRP laminate structures for aeronautic applications AU - Laurin, Frédéric AU - Beutl, Alexander AU - Jiang, Qixiang AU - Kühnelt, Helmut PY - 2023/6/1 Y1 - 2023/6/1 N2 - The CleanSky2 ...
In order to match the required property of electrodes, a fine-control of the substrate bias and working pressure is achieved to in-situ produce dense and porous thin films. Based on Fig. 1, we have in-situ prepared highly dense TiN (zone Ⅰ) and porous TiO x N y (zone Ⅳ) laminated films for MSC, and it has been demonstrated to obtain a high …
Based the above contributions, we fabricated novel antiferroelectric (Pb 0.875 La 0.05 Sr 0.05)(Zr 0.595 Sn 0.4 Ti 0.005)O 3 nanoparticals (PLSZST NPs) by solid-state sintering method. Compared with other nanofillers, PLSZST NPs possess high electric displacement, appropriate ε r (～270) and near-zero remnant electric displacement, which …
The optimally proportioned composite has an energy density of 3.41 J/cm3 (vs 1.48 J/cm3 of pure PI) even at 200 . Additionally, it reaches an impressive energy density retention up …
On-chip micro-supercapacitors (MSCs) are promising ultracompact energy storage devices for wireless internet of things (IoT), micro-electromechanical system (MEMs) and portable electronics. However, most of the devices reported so far had difficulties in synchronous improvement of the energy and power densities.
Polymers with excellent dielectric properties are strongly desired for pulsed power film capacitors. However, the adverse coupling between the dielectric constant and breakdown strength greatly limits the energy storage …
DOI: 10.1016/j.cej.2023.145603 Corpus ID: 261153027 Energy storage performance of in-situ grown titanium nitride current collector/titanium oxynitride laminated thin film electrodes @article{Sun2023EnergySP, title={Energy storage performance of in-situ grown ...
Here, an ultrahigh recoverable energy storage density Wrec of ≈7.57 J cm−3 and a large efficiency η of ≈81.4% are first realized in (Bi0.5K0.5)TiO3 (BKT)‐based relaxor ferroelectric ...
Energy storage performance of in-situ grown titanium nitride current collector/titanium oxynitride laminated thin film electrodes August 2023 DOI: 10.1016/j.cej.2023.145603
Membranes with fast and selective ions transport are highly demanded for energy storage devices. Layered double hydroxides (LDHs), bearing uniform interlayer galleries and abundant hydroxyl groups ...
Dielectric composites play a crucial role in energy storage devices as they can provide high dielectric strength and energy storage density through the design of their chemical components or structure. In this work, dielectric composites with a laminated structure are proposed, and their effective dielectric permittivity and breakdown strength …
Abstract Dielectric composites play a crucial role in energy storage devices as they can provide high dielectric strength and energy storage density through the design of their chemical components or structure. In this work, dielectric composites with a laminated structure are proposed, and their effective dielectric permittivity and breakdown strength …
This study demonstrates the construction of a multifunctional composite structure capable of energy storage in addition to load bearing. (a) and (b): Flat flexible cable (FFC) 220 m thick, single ...
Abstract Dielectric composites play a crucial role in energy storage devices as they can provide high dielectric strength and energy storage density through the design of their chemical components or structure. In this work, dielectric composites with a laminated ...
Because at this temperature, most energy storage technologies fail to meet the automobile''s energy requirement to start the electrical components and engine of the automobiles. With our attempt, all the laminated/coated combination electrodes performed way better (27 – 34.5%) in this test than the control batteries as shown in Fig. 8c .