dongqi energy storage
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Enhancement of high-temperature dielectric energy storage performances ...
High-temperature dielectric polymers have a broad application space in film capacitors for high-temperature electrostatic energy storage. However, low permittivity, low energy density and poor thermal conductivity of high-temperate polymer dielectrics constrain their application in the harsh-environment electronic devices, especially under …
يتعلم أكثرNaNbO3‐ (Bi0.5Li0.5)TiO3 Lead‐Free Relaxor Ferroelectric …
The structure mechanism for the excellent energy-storage performance is disclosed by analyzing in situ structure evolution on multiple scales during loading/unloading by means of transmission electron microscopy and Raman spectroscopy. Both local regions consisting of different-scale polar nanodomains and a nonpolar matrix, and local ...
يتعلم أكثرDesign Strategies and Recent Advancements for Low‐Temperature …
Aqueous rechargeable energy storage (ARES) has received tremendous attention in recent years due to its intrinsic merits of low cost, high safety, and environmental friendliness. However, the relatively higher freezing point of conventional aqueous electrolytes results in sluggish kinetics and inferior ion transport efficiency under low ...
يتعلم أكثر(PDF) High energy storage capability of perovskite relaxor ...
High energy storage capability of perovskite relaxor ferroelectrics via hierarchical optimization [45] Wang K, Ouyang J, Wuttig M, Zhao YY, Ch eng HB, Zhang Y, Su RX, Yan J, Zhong XL, Zeng F. Sup ...
يتعلم أكثرAlicyclic polyimides with large band gaps exhibit superior high ...
Flexible polymer dielectrics for capacitive energy storage that can function well at elevated temperatures are increasingly in demand for continuously advancing and miniaturizing electrical devices. However, traditional high-resistance polymer dielectrics composed of aromatic backbones have a compromised band gap ( E g ) and hence …
يتعلم أكثرNew Strategy for the Persistent Photocatalytic Reduction of U(VI ...
The photocatalytic conversion of soluble U(VI) into insoluble U(IV) is a robust strategy to harvest aqueous uranium, but remains challenging owing to the intermittent availability of solar influx and reoxidation of U(IV) without illumination. Herein, a dual platform based on K<sup>+</sup> and cyano …
يتعلم أكثرScalable Polyimide‐Organosilicate Hybrid Films for …
Moreover, the NH 2-POSS terminated PI film exhibits excellent charge-discharge cyclability (>50000) and power density (0.39 MW cm −3) at 200 °C, making it a promising candidate for high-temperature high-energy-density capacitors. This work represents a novel strategy to scalable polymer dielectrics with superior capacitive …
يتعلم أكثرAchieving Ultrahigh Energy Storage Density and ...
Request PDF | On Jan 1, 2023, Dekai Shi and others published Achieving Ultrahigh Energy Storage Density and Efficiency Above 90% Via Reducing Defect Concentrations for Agnbo3-Based Multilayer ...
يتعلم أكثرJournal of Energy Storage | Vol 85, 30 April 2024
Read the latest articles of Journal of Energy Storage at ScienceDirect , Elsevier''s leading platform of peer-reviewed scholarly literature.
يتعلم أكثرHigh comprehensive energy storage properties in (Sm, Ti) co …
The comprehensive energy storage performance indicates SmT10 ceramics are among potential candidates for ceramic capacitors working at high temperatures. Ceramic capacitors are ubiquitously used in high power and pulse power applications, but their low energy density, especially at high temperatures (>150 °C), …
يتعلم أكثرDongqi LIU | PhD | Changsha University of Science and …
For improving the performance of the energy storage system of EV, this paper proposes an energy management strategy (EMS) based model predictive control (MPC) for the battery/supercapacitor...
يتعلم أكثرCapacity optimization and energy dispatch strategy of hybrid energy …
The introduction of proton exchange membrane electrolyzer cells into microgrids allows renewable energy to be stored in a more stable form of hydrogen energy, which can reduce the redundancy of battery energy storage system and the abandonment of wind and photovoltaic energy. However, most studies of energy dispatch strategies for microgrids …
يتعلم أكثرRealizing enhanced energy storage and hardness performances
Ceramic dielectric capacitors have a broad scope of application in pulsed power supply devices. Relaxor behavior has manifested decent energy storage capabilities in dielectric materials due to its fast polarization response. In addition, an ultrahigh energy storage density can also be achieved in NaNbO3 (NN)-based ceramics by combining …
يتعلم أكثرRedox‐Bipolar Polyimide Two‐Dimensional Covalent Organic …
Emerging rechargeable aluminium batteries (RABs) offer a sustainable option for next-generation energy storage technologies with low cost and exemplary …
يتعلم أكثرHigh energy storage density and power density achieved …
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 high-power energy storage applications.
يتعلم أكثرQi DONG | PhD Professor (Assistant) | Doctor of Engineering
Qi Dong. Haolin Li. Shuming Xing. Bo Qiu. Al-Ti-C master alloy agent is currently the most promising grain refiner. This work investigates the influence of Ti3AlC2 addition (1.0–3.0 wt.%) on the ...
يتعلم أكثرKang Dongqi | IEEE Xplore Author Details
Publication Topics Activated Carbon,Active Material,Battery Energy Storage,Electric Vehicles,Electrochemical Reaction,Energy Storage Applications,Energy Storage ...
يتعلم أكثرMulti-Objective Sizing of Hybrid Energy Storage System for …
Hybrid energy storage systems (HESS) are an effective way to improve the output stability for a large-scale photovoltaic (PV) power generation systems. This paper presents a sizing method for HESS-equipped large-scale centralized PV power stations. The method consists of two parts: determining the power capacity by a …
يتعلم أكثرDevelopment of electrochemical energy storage and application in …
In order to make the energy storage technology better serve the power grid, this paper first briefly introduces several types of energy storage, and then elaborates on several …
يتعلم أكثرRecent Progress and Future Prospects on All-Organic …
With the development of advanced electronic devices and electric power systems, polymer-based dielectric film capacitors with high energy storage capability have become particularly important. …
يتعلم أكثرMultifunctional covalent organic frameworks for high capacity …
For its high specific capacity of 3860 mAh g −1 and low redox potential of −3.04 V (vs. SHE), lithium (Li) metal has been regarded as one of the most promising anode materials for the next-generation batteries. However, the limited Li utilization and the detrimental dendrite growth severely impede the practical application of Li metal batteries.
يتعلم أكثرProton-selective coating enables fast-kinetics high-mass …
The pressing demand for sustainable energy storage solutions has spurred the burgeoning development of aqueous zinc batteries. However, kinetics-sluggish Zn2+ as the dominant …
يتعلم أكثرDongqi Li
Dongqi Li. PhD Student of Chemistry, Technische Universität Dresden. Verified email at mailbox.tu-dresden . ... Multifunctional Molecule‐Grafted V 2 C MXene as High‐Kinetics Potassium‐Ion‐Intercalation Anodes for Dual‐Ion Energy Storage Devices.
يتعلم أكثرRecent Progress and Future Prospects on All-Organic Polymer …
With the development of advanced electronic devices and electric power systems, polymer-based dielectric film capacitors with high energy storage capability have become particularly important. Compared with polymer nanocomposites with widespread attention, all-organic polymers are fundamental and have been proven to be more …
يتعلم أكثرDevelopment of electrochemical energy storage and application …
Energy storage technology plays an important role in power grid operation as an important part of regulating power grid quality and stabilizing microgrid structure. ... {Kang Dongqi and Zhang Wenhua and Liu Jia and Miao Yinbao and Liu Weihao and Zeng Bing and Lian Zhilong and Chen Zhe and Fang Ronghua and Xi Boquan}, journal={2022 IEEE 2nd ...
يتعلم أكثرMXenes with ordered triatomic-layer borate polyanion …
MXenes, with Ti 3 C 2 as the representative, have been widely studied for energy-storage applications due to their pseudocapacitive ion-intercalation mechanism 30,31.
يتعلم أكثرOutstanding Energy Storage Performance in High-Hardness (Bi
Here, an ultrahigh recoverable energy storage density W rec of ≈7.57 J cm −3 and a large efficiency η of ≈81.4% are first realized in (Bi 0.5 K 0.5)TiO 3 (BKT)-based relaxor ferroelectric ceramics with an ultrahigh Vickers hardness H v ≈ 8.63 Gpa by adding BaTiO 3 and NaNbO 3 in order to synergistically design the domain and ...
يتعلم أكثرEnhancement of high-temperature dielectric energy storage …
High-temperature dielectric polymers have a broad application space in film capacitors for high-temperature electrostatic energy storage. However, low permittivity, low energy density and poor thermal conductivity of high-temperate polymer dielectrics constrain their application in the harsh-environment electronic devices, especially under …
يتعلم أكثرEnergy Storage Materials | Vol 60, June 2023
Corrigendum to ''multifunctional self-reconstructive cathode/electrolyte interphase layer for cobalt-free Li-rich layered oxide cathode'', energy storage materials 60 (2023) 102798. Jinyang Dong, Feng Wu, Jiayu Zhao, Qi Shi, ...
يتعلم أكثرMultifunctional Phase Change Composites Based on ...
Multifunctional phase change materials (PCMs) are highly desirable for the thermal management of miniaturized and integrated electronic devices. However, the development of flexible PCMs possessing heat energy storage, shape memory, and adjustable electromagnetic interference (EMI) shielding properties under complex …
يتعلم أكثرMXene/Ag doped hydrated-salt hydrogels with excellent …
1. Introduction. Personal thermal management and human health monitoring have gradually become important due to the rapid changes in the environment [1], [2].Phase change materials (PCMs) have attracted significant interest due to their high energy storage density and isothermal phase transition, which are developed to regulate the …
يتعلم أكثرUltrahigh Energy Storage Density in Glassy Ferroelectric Thin …
Here, a strategy is proposed for enhancing recoverable energy storage density (W r ) while maintaining a high energy storage efficiency (η) in glassy ferroelectrics by creating super tetragonal (super-T) nanostructures around morphotropic phase boundary (MPB) rather than exploiting the intensely strong electric fields.
يتعلم أكثرAll-Organic Dielectrics with High Breakdown Strength and Energy Storage ...
Although massive works are carried to enhance the energy storage performances, it is still a great challenge to improve the energy density of polymer composites under the premise of large-scale industrial production. Herein, a general strategy is proposed to improve the intrinsic breakdown strength and energy storage performances by blending ...
يتعلم أكثرAmmonium‐Ion Storage Using Electrodeposited …
NH 4 + ions as charge carriers show potential for aqueous rechargeable batteries. Studied here for the first time is the NH 4 +-storage chemistry using electrodeposited manganese oxide (MnO …
يتعلم أكثرAmmonium‐Ion Storage Using Electrodeposited Manganese Oxides
NH 4 + ions as charge carriers show potential for aqueous rechargeable batteries. Studied here for the first time is the NH 4 +-storage chemistry using electrodeposited manganese oxide (MnO x).MnO x experiences morphology and phase transformations during charge/discharge in dilute ammonium acetate (NH 4 Ac) …
يتعلم أكثرDongqi Li
PhD Student of Chemistry, Technische Universität Dresden. Verified email at mailbox.tu-dresden . 2D materials Energy storage and conversion Electro-catalysis.
يتعلم أكثرBand transport by large Fröhlich polarons in MXenes
MXenes are emerging layered materials that are promising for electrochemical energy storage and (opto-)electronic applications. A fundamental …
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