Results 31 to 40 of about 15,745 (261)

Feasibility study of amperometric and electrochemical quartz crystal microbalance measurements for in situ state of charge monitoring in vanadium flow batteries

open access: yesJournal of Electrochemical Science and Engineering, 2023
For an efficient flow battery operation, knowledge of the state of charge of the battery is essential. Monitoring the state of charge of both half cells is advantageous concerning a timely detection of crossover processes.
Claudia Weidlich   +2 more
doaj   +1 more source

A State Observer Design for Simultaneous Estimation of Charge State and Crossover in Self-Discharging Disproportionation Redox Flow Batteries [PDF]

open access: yes, 2019
This paper presents an augmented state observer design for the simultaneous estimation of charge state and crossover flux in disproportionation redox flow batteries, which exhibits exponential estimation error convergence to a bounded residual set.
Ascencio, Pedro   +3 more
core   +3 more sources

High voltage vanadium-metal hydride rechargeable semi-flow battery [PDF]

open access: yes, 2013
We report a Vanadium-MH rechargeable semi-flow battery with an experimental OCV of 1.93 V and operating voltage of 1.70 V, very high values among rechargeable flow batteries with aqueous electrolytes.
Chan, KY, Li, VCY, Weng, GM
core   +1 more source

Vanadium Redox Flow Batteries: A Review Oriented to Fluid-Dynamic Optimization

open access: yesEnergies, 2020
Large-scale energy storage systems (ESS) are nowadays growing in popularity due to the increase in the energy production by renewable energy sources, which in general have a random intermittent nature.
Iñigo Aramendia   +4 more
doaj   +1 more source

An All-Vanadium Redox Flow Battery: A Comprehensive Equivalent Circuit Model

open access: yesEnergies, 2023
In this paper, we propose a sophisticated battery model for vanadium redox flow batteries (VRFBs), which are a promising energy storage technology due to their design flexibility, low manufacturing costs on a large scale, indefinite lifetime, and ...
Muhammed Samil Yesilyurt   +1 more
doaj   +1 more source

Complexing additives to reduce the immiscible phase formed in the hybrid ZnBr2 flow battery [PDF]

open access: yes, 2017
The zinc-bromine redox flow battery (RFB) is one of a very few commercially viable RFB energy storage system capable of integration with intermittent renewable energy sources to deliver improved energy management.
Berlouis, L.   +4 more
core   +1 more source

On charge percolation in slurry electrodes used in vanadium redox flow batteries

open access: yesElectrochemistry Communications, 2019
In vanadium redox flow battery systems porous carbon felts are commonly employed as electrodes inside the flow channel. Recently, slurry electrodes (or flow suspension electrodes) were introduced as a potentially viable electrode system.
Johannes Lohaus   +4 more
doaj   +1 more source

Influence of Several Phosphate-Containing Additives on the Stability and Electrochemical Behavior of Positive Electrolytes for Vanadium Redox Flow Battery

open access: yesEnergies, 2022
The poor operational stability of electrolytes is a persistent impediment in building redox flow battery technology; choosing suitable stability additives is usually the research direction to solve this problem.
Xukun Zhang   +5 more
doaj   +1 more source

Understanding the Vanadium Redox Flow Batteries [PDF]

open access: yes, 2010
Vanadium redox flow batteries (VRB) are large stationary electricity storage systems with many potential applications in a deregulated and decentralized network. Flow batteries (FB) store chemical energy and generate electricity by a redox reaction between vanadium ions dissolved in the electrolytes.
Blanc, Christian, Rufer, Alfred
openaire   +2 more sources

New Energy-Storage Metal Vanadium Resources: Demand Prediction and Supply Analysis

open access: yes中国工程科学
As new energy sources such as solar and wind energy develop rapidly, energy storage will usher in explosive growth owing to its ability to solve the problems of intermittent power generation.
Chen Renfeng   +9 more
doaj   +1 more source

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