Results 71 to 80 of about 669,834 (184)

Coexistent State of Charge Density Wave and Spin Density Wave in One-Dimensional Quarter Filled Band Systems under Magnetic Fields

open access: yes, 2000
We theoretically study how the coexistent state of the charge density wave and the spin density wave in the one-dimensional quarter filled band is enhanced by magnetic fields.
Barthel E.   +25 more
core   +1 more source

A Modular Hybrid SOC-Estimation Framework with a Supervisor for Battery Management Systems Supporting Renewable Energy Integration in Smart Buildings

open access: yesEnergies
Accurate state-of-charge (SOC) estimation is crucial in smart-building energy management systems, where rooftop photovoltaics and lithium-ion energy storage systems must be coordinated to align renewable generation with real-time demand.
Mehmet Kurucan   +3 more
doaj   +1 more source

State-of-Charge Estimation for Lithium-Ion Batteries Using a Kalman Filter Based on Local Linearization

open access: yesEnergies, 2015
State of charge (SOC) estimation is of great significance for the safe operation of lithium-ion battery (LIB) packs. Improving the accuracy of SOC estimation results and reducing the algorithm complexity are important for the state estimation.
Zhihao Yu, Ruituo Huai, Linjing Xiao
doaj   +1 more source

Dual Nonlinear Kalman Filter-Based SoC and Remaining Capacity Estimation for an Electric Scooter Li-NMC Battery Pack

open access: yesEnergies, 2020
Accurate, real-time estimation of battery state-of-charge (SoC) and state-of-health represents a crucial task of modern battery management systems.
Filip Maletić   +2 more
doaj   +1 more source

Frozen states of charged boson stars

open access: yes
In this paper, we study frozen states of charged boson stars. These solutions are globally regular and exist in a U(1) gauged scalar field model minimally coupled to gravity for suitable choices of the coupling constants. These configurations are field theoretical realizations of the Mazur-Mottola solution with a de Sitter interior, a black hole ...
Brihaye, Yves, Hartmann, Betti
openaire   +2 more sources

A Review on State-of-Charge Estimation Methods, Energy Storage Technologies and State-of-the-Art Simulators: Recent Developments and Challenges

open access: yesWorld Electric Vehicle Journal
Exact state-of-charge estimation is necessary for every application related to energy storage systems to protect the battery from deep discharging and overcharging.
Muhtahir O. Oloyede   +4 more
doaj   +1 more source

A Multi-Stage Approach to a Hybrid Lead Acid Battery and Supercapacitor System for Transport Vehicles

open access: yesEnergies, 2018
Lead Acid Batteries (LABs) are used for starting, lighting, and igniting, as well as in air conditioning systems and to supply power to electric engines in transport vehicles (TVs).
Mpho J. Lencwe   +2 more
doaj   +1 more source

Testing and analyses of electrochemical cells using frequency response [PDF]

open access: yes
The feasibility of electrochemical impedance spectroscopy as a method for analyzing battery state of health and state of charge was investigated. Porous silver, zinc, nickel, and cadmium electrodes as well as silver/zinc cells were studied.
Norton, O. A., Jr., Thomas, D. L.
core   +1 more source

Diabatic States of Charge Transfer with Constrained Charge Equilibration

open access: yesJournal of Chemical Theory and Computation
9 pages, 5 ...
Sohang Kundu   +2 more
openaire   +3 more sources

Manipulating quantum coherence of charge states in interacting double-dot Aharonov-Bohm interferometers

open access: yes, 2017
We investigate the dynamics of charge--states coherence in a degenerate double--dot Aharonov--Bohm interferometer with finite interdot Coulomb interactions.
Jin, Jinshuang   +4 more
core   +1 more source

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