Results 11 to 20 of about 743,905 (164)

Self-Driven Cycle and Thermal Characteristics of Seawater Battery System with a Preheater

open access: yesEnergies
As a novel energy storage technology, seawater batteries exhibit significant application potential across various domains, including marine exploration, underwater communication, and island power supply.
Haihong Dong   +6 more
doaj   +1 more source

Vacancy Chemistry Regulated Cobalt Oxide Nanostructures with Fast Kinetics for High-Performance Lithium-Ion Capacitors

open access: yesEnergy Material Advances
As a promising transition metal oxide, Co3O4 is considered a low-cost anode material in lithium-ion capacitors (LICs) due to its sizeable theoretical capacity and excellent electrochemical reversibility.
Yanyan Kong   +11 more
doaj   +1 more source

Localized Reluctivity Stabilization of Hysteresis Model for Transient Finite Element Simulation of Ferromagnetic Materials

open access: yesEng
The hysteresis model can be used to accurately predict the magnetic hysteresis characteristics of ferromagnetic materials. Incorporating the hysteresis model into finite element calculations enables precise prediction of field distributions, voltage or ...
Xiaotong Fu   +5 more
doaj   +1 more source

Towards high power density aqueous redox flow batteries

open access: yesNano Research Energy, 2023
With the increasing penetration of renewable energy sources in the past decades, stationary energy storage technologies are critically desired for storing electricity generated by non-dispatchable energy sources to mitigate its impact on power grids ...
Mengqi Gao   +3 more
doaj   +1 more source

Control Strategy for Hybrid Magnetic Bearing Based on Improved Cascaded Reduced-Order Active Disturbance Rejection Controller

open access: yesCES Transactions on Electrical Machines and Systems
During the startup of the hydraulic turbine generators, the hybrid magnetic bearing support system exhibits displacement fluctuations, and the nonlinearity and strong coupling characteristics of the magnetic bearings limit the accuracy of rotor modeling,
Kaiyu Shan   +5 more
doaj   +1 more source

Coupling Model and Early-Stage Internal Short Circuits Fault Diagnosis for Gel Electrolyte Lithium-Ion Batteries

open access: yesBatteries
This paper presents a method for modeling and predicting ISC in gel-electrolyte lithium-ion batteries, addressing critical safety concerns in electric vehicles.
Liye Wang   +5 more
doaj   +1 more source

Research on Multi-Dimensional MTPA Control for Five-Phase Interior Permanent Magnet Synchronous Motor

open access: yesEnergies
In order to improve the output torque/current utilization of five-phase interior permanent magnet synchronous motor (FP-IPMSM) when running below base speed, a multi-dimensional maximum torque per ampere (MTPA) control strategy based on virtual signal ...
Yihong Qin   +3 more
doaj   +1 more source

Early-Stage Fault Diagnosis for Batteries Based on Expansion Force Prediction

open access: yesEnergies
With the continuous expansion of the electric vehicle market, lithium-ion batteries have also been rapidly developed, but this has brought about concerns over the safety of lithium-ion batteries.
Liye Wang   +6 more
doaj   +1 more source

Dielectric Breakdown Characteristics of Biaxially Oriented Polypropylene Films: Surface Structures on Thickness Dependence

open access: yesHigh Voltage
Film capacitors, essential for energy storage in power systems, benefit from reduced film thickness to increase capacitance and lower costs. While the inverse power law traditionally links higher electric strength with thinner films, its validity ...
Chuansheng Zhang   +5 more
doaj   +1 more source

Multi-Objective Optimal Design of 200 kW Permanent Magnet Synchronous Motor Based on NSGA-II

open access: yesWorld Electric Vehicle Journal
Interior permanent magnet synchronous motors (IPMSMs) are widely applied as drive motors in electric vehicles because they have the advantages of high power density, high efficiency, and excellent dynamic performance.
Chengxu Sun   +5 more
doaj   +1 more source

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