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Publications related to Energy Storage (10,000)
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In today's electric power networks, unconventional energy resources, such as wind and solar (among others), as well as energy storage devices, such as batteries, are rapidly becoming more prominent. Small roof-top systems (a few kW) to large-scale stems (100-1000MW) are all connected to the main grid, both internally and directly to the HV transmis...
Article
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In recent years, the installation of battery energy storage (BES) integrated with solar photovoltaic (PV) panels in residential houses has been rapidly accelerated tied to the high penetration of renewable energy resources, and it is expected to play a significant role as distributed energy resources (DER) in smart grids and microgrid operations. T...
Research Proposal
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Dear researches and colleagues, We are serving as Guest Editors for a Special Issue entitled " Design and Application of DC–DC Converters in Power Systems " for Energies Journal (IF 3.004). Please find more information at: https://www.mdpi.com/journal/energies/special_issues/Design_and_Application_of_DC_DC_Converters_in_Power_Systems.This Special I...
Article
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The Li6O6 is synthesized by employing a simple procedure and studying the single-crystal structure. The prepared sample belongs to a monoclinic crystal system with a P21/n space group, and the cell parameters a= 8.485(3) Å, b=10.237(3) Å, c=11.946(4) Å, β=96.208°, and Z=4. Characterization studies of this material indicate a weak energy storage den...
Article
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Electrochemical and photoelectrochemical water splitting offers a scalable approach to producing hydrogen from renewable sources for sustainable energy storage. Depending on the applications, oxygen evolution catalysts (OECs) may perform water splitting under a variety of conditions. However, low stability and/or activity present challenges to the...
Article
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Production of synthetic methane as a substitute for natural gas has been widely discussed as a means of long-term energy storage with the potential of CO2 neutrality. While the maximum conversion of catalytic CO2 methanation is limited by the highly exothermic and pressure-dependent nature of the Sabatier reaction, high conversion at low pressure c...
Article
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Rechargeable aluminum–sulfur (Al–S) batteries have been considered as a highly potential energy storage system owing to the high theoretical capacity, good safety, abundant natural reserves, and low cost of Al and S. However, the research progress of Al–S batteries is limited by the slow kinetics and shuttle effect of soluble polysulfides intermedi...
Article
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A hybrid hydropower power plant is a conventional Hydro-Power Plant (HPP) augmented with a Battery Energy Storage System (BESS) to decrease the wear of sensitive mechanical components and improve the reliability and regulation performance of the plant. A central task of controlling a hybrid HPP is determining how the total power setpoint is split b...
Article
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Although sodium ion capacitors (SICs) are considered as one of the most promising electrochemical energy storage devices (organic electrolyte batteries, aqueous batteries and supercapacitor, etc.) due to the combined merits of battery and capacitor, the slow reaction kinetics and low specific capacity of anode materials are the main challenges. Poi...
Article
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Due to their outstanding power density, long cycle life and low cost, supercapacitors have gained much interest. As for supercapacitor electrodes, molybdenum nitrides show promising potential. Molybdenum nitrides, however, are mainly prepared as nanopowders via a chemical route and require binders for the manufacture of electrodes. Such electrodes...
Article
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With the emergence of wearable electronics, flexible energy storage materials have been extensively studied in recent years. However, most studies focus on improving the electrochemical properties, ignoring the flexible mechanism and structure design for flexible electrode materials with high rate capacities and long-time stability. In this study,...
Article
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Establishing covalent heterointerfaces with face-to-face contact is promising for advanced energy storage, while challenge remains on how to inhibit the anisotropic growth of nucleated crystals on the matrix. Herein, face-to-face covalent bridging in-between the 2D-nanosheets/graphene heterostructure is constructed by intentionally prebonding of la...
Article
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Dielectric substances exhibit great potential for high-power capacitors due to their high stability and fast charge–discharge; however, a long-term challenge is to enhance energy density. Here, we propose a poly(vinylidene fluoride) (PVDF) composite utilizing BaTiO3 nanoparticle@TiO2 nanosheet (BT@TO ns) 2D nanohybrids as fillers, aiming at combini...
Article
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Power system operators and planners are dealing both with the integration of unparalleled levels of variable renewable energy sources and deep uncertainties that originate from new technological developments, changing regulatory frameworks, unknown investment, operational costs of technologies, etc. An inadequate representation of the uncertainties...
Article
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Dielectric polymer nanocomposites are considered as one of the most promising candidates for high-power-density electrical energy storage applications. Inorganic nanofillers with high insulation property are frequently introduced into fluoropolymer to improve its breakdown strength and energy storage capability. Normally, inorganic nanofillers are...
Article
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Simultaneously improving the energy density and power density of electrochemical energy storage systems is the ultimate goal of electrochemical energy storage technology. An effective strategy to achieve this goal is to take advantage of the high capacity and rapid kinetics of electrochemical proton storage to break through the power limit of batte...
Article
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Aqueous zinc ion batteries have high potential applicability for energy storage due to their reliable safety, environmental friendliness, and low cost. However, the freezing of aqueous electrolytes limits the normal operation of batteries at low temperatures. Herein, a series of high-performance and low-cost chloride hydrogel electrolytes with high...
Article
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Aqueous zinc-ion batteries (AZIBs) can be one of the most promising electrochemical energy storage devices for being non-flammable, low-cost, and sustainable. However, the challenges of AZIBs, including dendrite growth, hydrogen evolution, corrosion, and passivation of zinc anode during charging and discharging processes, must be overcome to achiev...
Article
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MgH 2 has attracted intensive interests as one of the most promising hydrogen storage materials. Nevertheless, the high desorption temperature, sluggish kinetics, and rapid capacity decay hamper its commercial application. Herein, 2D TiO 2 nanosheets with abundant oxygen vacancies are used to fabricate a flower-like MgH 2 /TiO 2 heterostructure wit...
Article
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Two-dimensional (2D) MXenes are promising as electrode materials for energy storage, owing to their high electronic conductivity and low diffusion barrier. Unfortunately, similar to most 2D materials, MXene nanosheets easily restack during the electrode preparation, which degrades the electrochemical performance of MXene-based materials. A novel sy...
Article
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Highlights Ti 3 C 2 T x MXene-based coaxial zinc-ion hybrid fiber supercapacitors (FSCs) were fabricated with braided structure, which can be prepared continuously and present excellent flexibility and ultrastability. A sports watch driven by the watch belts which weaved uses the obtained zinc-ion hybrid FSC and LED arrays lighted by the FSCs under...
Article
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The energy storage mechanism of azobenzene is based on the transformation of molecular cis and trans isomerization, while NBD/QC, DHA/VHF, and fulvalene dimetal complexes realize the energy storage function by changing the molecular structure. Acting as “molecular batteries,” they can exhibit excellent charging and discharging behavior by convertin...
Article
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Carbon nanofibers films are typical flexible electrode in the field of energy storage, but their application in Zinc-ion hybrid capacitors (ZIHCs) is limited by the low energy density due to the lack of active adsorption sites. In this work, an in-situ exfoliation strategy is reported to modulate the chemisorption sites of carbon nanofibers by high...
Article
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Zn-based electrochemical energy storage (EES) systems have received tremendous attention in recent years, but their zinc anodes are seriously plagued by the issues of zinc dendrite and side reactions (e.g., corrosion and hydrogen evolution). Herein, we report a novel strategy of employing zincophilic Cu nanowire networks to stabilize zinc anodes fr...
Article
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Battery energy storage systems (BESSs) are expected to play a major role in voltage control of smart distribution grids (SDGs) due to the high penetration of intermittent renewable energy. However, neither these devices nor the communication infrastructure needed for their control, are fully reliable. Due to this, BESS unavailability might occur, d...
Article
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As a new generation of Zn-ion storage systems, Zn-ion hybrid supercapacitors (ZHSCs) garner tremendous interests recently from researchers due to the perfect integration of batteries and supercapacitors. ZHSCs have excellent integration of high energy density and power density, which seamlessly bridges the gap between batteries and supercapacitors,...
Article
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The multi-port energy router (ER) is an effective topology for integrating train traction load, AC load, the energy storage system and photovoltaic(PV) energy. The start and stop process of urban rail transit trains and the access of distributed energy sources to rail transit ER lead to serious fluctuations of DC bus power, so it is necessary to ro...
Article
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The physical properties of carbon materials can be altered by doping. For instance, the electronic properties of graphene can be modulated by controlling the substitutional doping of the carbon lattice with N. In addition, C–N bonding configurations with three ring types are recognized: pyridinic-N, pyrrolic-N, and graphitic-N. Controlling the type...
Article
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The rapid advance of mild aqueous zinc-ion batteries (ZIBs) is driving the development of the energy storage system market. But the thorny issues of Zn anodes, mainly including dendrite growth, hydrogen evolution, and corrosion, severely reduce the performance of ZIBs. To commercialize ZIBs, researchers must overcome formidable challenges. Research...
Article
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Aging diagnosis of batteries is essential to ensure that the energy storage systems operate within a safe region. This paper proposes a novel cell to pack health and lifetime prognostics method based on the combination of transferred deep learning and Gaussian process regression. General health indicators are extracted from the partial discharge pr...
Article
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Orientation control of anisotropic one-dimensional (1D) and two-dimensional (2D) materials in solutions is of great importance in many fields ranging from structural materials design, the thermal management, to energy storage. Achieving fine control of vertical alignment of anisotropic fillers (such as graphene, boron nitride (BN), and carbon fiber...
Article
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Highlights The synthetic strategies and fundamental mechanisms of various asymmetric carbon- and silica-based nanomaterials were systematically summarized. The advantages of asymmetric structure on their related applications were clarified by some representative applications of asymmetric carbon- and silica-based nanomaterials. The future developme...
Article
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Lithium-ion (Li-ion) batteries are the workhorse of energy storage systems in electric vehicles (EVs) due to their high energy density and desirable characteristics. To obtain an optimized and safe operation, a battery management system (BMS) should be implemented to provide the main safety features based on the estimation of different battery stat...
Article
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Due to their high safety and low cost, rechargeable aqueous Zn-ion batteries (RAZIBs) have been receiving increased attention and are expected to be the next generation of energy storage systems. However, metal Zn anodes exhibit a limited-service life and inferior reversibility owing to the issues of Zn dendrites and side reactions, which severely...
Research Proposal
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The widespread use of batteries as the most common energy storage systems in automotive and consumer electronics have made it an integral part of our daily business. The crucial concern like battery lifetime, thus, requires principal attention that is often tackled by modeling works. Researchers have made remarkable achievements to develop models t...
Article
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Large-scale integration of battery energy storage systems (BESS) in distribution networks has the potential to enhance the utilization of photovoltaic (PV) power generation and mitigate the negative effects caused by electric vehicles (EV) fast charging behavior. This paper presents a novel deep reinforcement learning-based power scheduling strateg...
Article
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Passive solar distiller is one of the vital solutions to alleviate freshwater shortage problems. However, the production from solar distillers is limited due to their low efficiency. In this work, an experimental investigation is carried out to ameliorate the freshwater product of a hemispheric solar distillatory. Spherical rock salt balls are embe...
Article
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Freezing of paraffin through a channel of air conditioning system was simulated in present study by means of finite volume approach. The sinusoidal air gaps have been imposed within the PCM (phase change material) zone. With inclusion of nanoparticles within RT28, the thermal features have been improved and for estimating the properties, single pha...
Article
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Microgrids consisting of renewable energy based distributed generators have become popular as a way of energizing off-grid systems. Due to their low-inertia, these distributed generators require a robust frequency control system to maintain it. This problem is amplified by the fact that there is no centralized grid that anchor the system voltage an...
Article
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The deployment of a microgrid with renewable energy sources (RESs) generally considers two aspects i.e., the need for the energy storage and the presence of many uncertainties due to the intermittent nature of several RESs and the load demand variability. The latter justifies the use of stochastic optimization for the scheduling purpose. Therefore,...
Article
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The growing demand for efficient lithium-ion batteries to power vehicles and energy storage entails improving cathode material properties. Maintaining the stability of Ni-rich layered structure oxide cathodes is critical for long-term Li-ion battery operation. In this work, a series of LiNi0.6Mn0.2Co0.2O2 (NMC622) cathode materials doped with selec...
Article
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Photovoltaic systems, one of the major renewable energy systems (RESs), are getting integrated into conventional power grids in large-scale, substituting synchronous generators. However, PV systems lack inertia inherently and cannot provide any reserve power. Consequently, large-scale PV integrated grid faces severe frequency instability problems f...
Article
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Absorption thermal energy storage is promising for long-term storage of solar energy with both cooling and heating output purposes. Recently, the three-phase absorption thermal energy storage attracts significant attention due to its high energy storage density. However, its operation suffers from the vacuum operation and crystals blockage of pipin...
Article
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The demand for lithium (Li) has greatly escalated during the past decade and is predicted to increase continuously with the market growth of the electrified transportation and renewable energy, given that Li–ion batteries are the major energy storage method for these sectors. In spite of the urgent need of satisfying the increasing demand of Li, so...
Article
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This research study evaluates the use of a supercapacitor module as a fast-response energy storage unit to improve energy self-consumption and self-sufficiency for renewable energy systems applications. The designed system consists of the photovoltaic component with 3.0 kWp capacity combined with (0–5) supercapacitor module with a capacity of 500F-...
Article
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The current paper presents the design and performance of a high-temperature heat pump (HTHP) integrated in an innovative, sensible, and latent heat storage system. The HTHP has been designed to work between a heat source from 40 to 100 ºC and a heat sink above 130 ºC. An initial refrigerant analysis has revealed that R-1233zd(E) is the best candida...
Article
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In this paper, an active equalization circuit based on resonant converter is presented. This equalization circuit has been proposed to equalize the direct cell-to-cell voltage in a string. All electrochemical energy storage devices are connected in series. Using this equalization circuit energy transfer from higher energy and charge capacitive cell...
Article
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Local energy communities require tools to select their most fitting community members, power-sharing strategy and technologies for their goals. This work aims to develop a model and a methodology to optimise local energy communities. We evaluate the presence of a battery energy storage system with different capacities and ownership options. Besides...
Article
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When it comes to dealing with power outages, hybrid grid-connected systems seem like a promising option, especially for underdeveloped nations. For supplying power during periods of unpredictability, a PV/battery system connected to the grid is considered in this study. Batteries were used as a backup system to compensate for main grid outages in t...
Preprint
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The present paper is aimed to analyze the effect of energy storage by adding phase change material (PCM) on the bottom of a solar still, via a transient numerical study. A detailed validation was made by comparing the numerical results with experimental and numerical data reported in the literature, obtaining a <1 % relative difference. The simulat...
Article
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This paper presents an integrated generation and transmission expansion planning (G&TEP) model embedding with energy storage systems (ESSs) to reduce G&TEP projects' cost, enhance power system's reliability, decrease carbon emission, and increase the penetration of renewable energy systems. ESSs are a key component of modern power grids for their a...
Article
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Creep is a vital factor that affects the long-term stability of gas storage salt caverns. When we conduct a laboratory creep test of rock salt, compared with the single-stage loading method, the multi-stage loading method is used more frequently as it eliminates the discreteness of the sample. However, the early loading history affects the later cr...
Article
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Integration of power electronics-based converter-interfaced distributed generators (DGs) into the existing power systems have created several power quality related challenges. These challenges include reduced voltage rigidness at the point of common coupling (PCC), total harmonic distortion (THD), lack of inertial response and power imbalance due t...
Article
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Low-inertia power systems can suffer from high rates of change of frequency during imbalances between the generation and the demand. Fast-reacting storage systems such as a Flywheel Energy Storage System (FESS) can help maintain the frequency by quickly reacting to frequency disturbances, with no concern over its lifetime. While a modern high-speed...
Article
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Energy storage technology is becoming indispensable in the energy and power sector. The flywheel energy storage system (FESS) offers a fast dynamic response, high power and energy densities, high efficiency, good reliability, long lifetime and low maintenance requirements, and is particularly suitable for applications where high power for short-tim...