Results 11 to 20 of about 6,226 (220)

Validating Membrane Ageing Protocols: A Real‐World Perspective on Vanadium Redox Flow Battery Degradation

open access: yesChemElectroChem
Membranes are essential for an efficient and stable long‐term operation of the vanadium redox flow battery (VRFB). Membrane degradation is one of the main limiting factors for VRFB lifetime because of the resulting increase in electrolyte crossover and ...
Felix Lulay   +4 more
doaj   +3 more sources

Enhancement of the electrochemical activity of a commercial graphite felt for vanadium redox flow battery (VRFB), by chemical treatment with acidic solution of K2Cr2O7 [PDF]

open access: yesJournal of Energy Storage, 2019
Abstract The novel thermal–chemical activation method is proposed to prepare the graphite felt with highly functionalized surface and enhanced active surface area, to be used as the positive half-cell electrode for the vanadium redox flow batteries (VRFBs). The prescribed treatment consists of boiling the felt within K2Cr2O7 solution in 5 M H2SO4, at
Hassan, Ali, Tzedakis, Théo
openaire   +4 more sources

2-Acrylamido-2-methylpropane sulfonic acid (AMPS) grafted poly(vinylidene fluoride) (PVDF) membrane for improved vanadium redox flow battery (VRFB) performance

open access: yesNext Energy
Polymer modification techniques are crucial for customizing material properties to suit specific applications, particularly in energy storage systems. This study investigates the modification of poly(vinylidene fluoride) (PVDF) membranes via atom transfer radical polymerization (ATRP) to graft 2-acrylamido-2-methylpropane sulfonic acid (AMPS) onto the ...
Sarthak Mishra   +3 more
openaire   +3 more sources

The Electrolyte Flow Rate Effect on the Performance of a Vanadium Redox Flow Battery (VRFB)

open access: yesTransactions of the Korean Hydrogen and New Energy Society, 2022
YECHAN PARK, SUNHOE KIM
openaire   +2 more sources

A Field Validated Modeling and Estimation of Capacity Fade and Its Recovery for Vanadium Redox Flow Battery

open access: yesIEEE Access
This paper presents the modelling and estimation of capacity fade in vanadium redox flow battery (VRFB) storage with an objective to study its impact on the field performance of a kW-scale VRFB system.
Nawin Ra, Ankur Bhattacharjee
doaj   +2 more sources

The Role of the Anion Insertion-Extraction Reaction in Amorphous Carbon Thin Film Electrodes on the Vanadium(IV/V) Reaction Probed by Scanning Electrochemical Cell Microscopy. [PDF]

open access: yesSmall
This study examines how high potentials affect amorphous (nitrogen‐doped) carbon thin film electrodes in vanadium(IV/V) redox reactions, relevant for the all‐vanadium redox flow battery. Using electrochemical microscopy, the research highlights that sulfate anion insertion predominates and inhibits vanadium redox activity, especially with pyridine‐ and
Hamann M   +5 more
europepmc   +2 more sources

An Overview of the Design and Optimized Operation of Vanadium Redox Flow Batteries for Durations in the Range of 4–24 Hours

open access: yesBatteries, 2023
An extensive review of modeling approaches used to simulate vanadium redox flow battery (VRFB) performance is conducted in this study. Material development is reviewed, and opportunities for additional development identified. Various crossover mechanisms
Vilayanur V. Viswanathan   +6 more
doaj   +1 more source

GO-modified membranes for vanadium redox flow battery [PDF]

open access: yesE3S Web of Conferences, 2019
Graphene oxide (GO) has attracted tremendous attention in membrane-based separation field as it can filter ions and molecules. Recently, GO-based materials have emerged as excellent modifiers for vanadium redox flow battery (VRFB) application.
Sophia Saidatul   +4 more
doaj   +1 more source

Flexible, Multifunctional Micro-Sensor Applied to Internal Measurement and Diagnosis of Vanadium Flow Battery

open access: yesMicromachines, 2022
The vanadium redox flow battery (VRFB) system is an emerging energy storage technology with many advantages, such as high efficiency, long life, and high safety.
Chi-Yuan Lee   +4 more
doaj   +1 more source

Polymer Membranes for All-Vanadium Redox Flow Batteries: A Review

open access: yesMembranes, 2021
Redox flow batteries such as the all-vanadium redox flow battery (VRFB) are a technical solution for storing fluctuating renewable energies on a large scale.
Dennis Düerkop   +4 more
doaj   +1 more source

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