Results 31 to 40 of about 125,761 (302)

Lithium-ion batteries for storage of renewable energies and electric grid backup

open access: yes, 2022
S.293-309Power supply systems based mainly on renewable energy sources like solar and wind require storages on different time scales, (1) from seconds to minutes, (2) from minutes to hours and (3) from hours to months. Batteries and in particular several
Vetter, Matthias, Rohr, L.
core   +1 more source

Estimation of state of charge of lithium-ion batteries usedin HEV using robust extended kalman filtering

open access: yes, 2012
A robust extended Kalman filter (EKF) is proposed as a method for estimation of the state of charge (SOC) of lithium-ion batteries used in hybrid electric vehicles (HEVs). An equivalent circuit model of the battery, including its electromotive force (EMF)
jiang, J.   +7 more
core   +1 more source

Lithium conducting solid electrolyte Li1.3Al0.3Ti1.7(PO4)3 obtained via solution chemistry [PDF]

open access: yes, 2013
NaSICON-type lithium conductor Li1.3Al0.3Ti1.7(PO4)3 (LATP) is synthesized with controlled grain size and composition using solution chemistry. After thermal treatment at 850 C, sub-micronic crystallized powders with high purity are obtained.
TABERMA, Pierre-Louis   +12 more
core   +1 more source

Cobalt Nanoparticles Encapsulated in Nitrogen-Doped Carbon Nanotube as Bifunctional-Catalyst for Rechargeable Zn-Air Batteries

open access: yesFrontiers in Materials, 2019
Developing economic and efficient non-noble-metal electrocatalysts toward oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is vitally important to improve the performance and economic outlook of alkaline-based rechargeable Zn-air ...
Yang Liu   +10 more
doaj   +1 more source

MoS2/PANI composite as suitable functional interlayer for lithium polysulfides trapping in Li-S batteries [PDF]

open access: yes, 2022
Lithium-sulfur (Li-S) battery technology promises much higher energy storage capacity compared to common Li-ion commercial batteries. Li-S batteries have high theoretical capacity of 1672 mAh g-1, thanks to conversion reaction from solid sulfur (S8) to ...
Elvira Fortunato   +8 more
core  

Defect-Mediated Lithium Adsorption and Diffusion on Monolayer Molybdenum Disulfide

open access: yes, 2015
Monolayer Molybdenum Disulfide (MoS2) is a promising anode material for lithium ion batteries because of its high capacities. In this work, first principle calculations based on spin density functional theory were performed to investigate adsorption and ...
Xiaoli Sun   +5 more
core   +1 more source

Experimental Study of Single Phase Flow in a Closed-Loop Cooling System with Integrated Mini-Channel Heat Sink

open access: yesEntropy, 2016
The flow and heat transfer characteristics of a closed-loop cooling system with a mini-channel heat sink for thermal management of electronics is studied experimentally.
Lei Ma   +4 more
doaj   +1 more source

Testing and characterisation of large high-energy lithium-ion batteries for electric and hybrid electric vehicles [PDF]

open access: yes, 2007
This thesis considers the drivetrain and battery system requirements of Hybrid Electric Vehicles. The data herein proves that a series hybrid electric drivetrain with Lithium-ion batteries and plug-in recharge promises to be viable and sustainable ...
Doerffel, Dennis
core  

Microstructure Reconstruction in Battery Electrodes Using Machine Learning Based on Low‐Voltage Focused Ion Beam–Scanning Electron Microscopy Tomography Images

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran   +6 more
wiley   +1 more source

Tackling activity-stability paradox of reconstructed NiIrOx electrocatalysts by bridged W-O moiety

open access: yesNature Communications
One challenge remaining in the development of Ir-based electrocatalyst is the activity-stability paradox during acidic oxygen evolution reaction (OER), especially for the surface reconstructed IrOx catalyst with high efficiency.
Muhammad Imran Abdullah   +6 more
doaj   +1 more source

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