Publication
Title
Improved vanadium flow battery performance through a pulsating electrolyte flow regime
Author
Abstract
The interest in flow batteries as energy storage devices is growing due to the rising share of intermittent renewable energy sources. In this work, the performance of a vanadium flow battery is improved, without altering the electrochemical cell, by applying a pulsating flow. This novel flow battery flow regime aims to enhance performance by improving its mass transfer properties. Both the pulse volume and frequency have an influence on the battery performance, and lead to a 38.7 % increase in accessible discharge capacity compared to the conventional steady flow regime at values of 0.40 cm3 and 2.4 Hz in this cell, respectively. Furthermore, at these parameter settings a reduction of the mass transfer resistance by 71.4 % is achieved at 0.2 cm3/min∙cm2. These results show that a pulsating flow can be beneficial in certain conditions, opening new possibilities for boosting performance in flow batteries.
Language
English
Source (journal)
Batteries & Supercaps
Publication
Wiley , 2024
ISSN
2566-6223
DOI
10.1002/BATT.202300382
Volume/pages
7 :2 (2024) , p. 1-12
Article Reference
e202300382
ISI
001119922500001
Full text (Publisher's DOI)
Full text (open access)
Full text (publisher's version - intranet only)
UAntwerpen
Faculty/Department
Research group
Project info
Structured 3D electrodes for green hydrogen production
Electrochemical conversion of CO2 to formic acid at elevated temperatures.
Beyond the limits of mass transfer: design of 3D pillar electrodes in redox flow batteries.
Publication type
Subject
Affiliation
Publications with a UAntwerp address
External links
Web of Science
Record
Identifier
Creation 08.12.2023
Last edited 21.05.2024
To cite this reference