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A dynamic unit cell model of the all-vanadium redox flow battery

A dynamic unit cell model of the all-vanadium redox flow battery
A dynamic unit cell model of the all-vanadium redox flow battery
n this paper, a mathematical model for the all-vanadium battery is presented and analytical solutions are derived. The model is based on the principles of mass and charge conservation, incorporating the major resistances, the electrochemical reactions and recirculation of the electrolyte through external reservoirs. Comparisons between the model results and experimental data show good agreement over practical ranges of the vanadium concentrations and the flow rate. The model is designed to provide accurate, rapid solutions at the unit-cell scale, which can be used for control and monitoring purposes. Crucially, the model relates the process time and process conditions to the state of charge via vanadium concentrations.
cells (electric), secondary cells, vanadium
0013-4651
A671-A677
Shah, A.A.
5c43ac37-c4a7-4256-88ef-8c427886b924
Tangirala, R.
81a2d7eb-ad83-4ec1-b98a-a10f69a3f2a1
Singh, R.
d1445d2a-9cb7-4425-af69-b68bd2ac5575
Wills, R.G.A.
60b7c98f-eced-4b11-aad9-fd2484e26c2c
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2
Shah, A.A.
5c43ac37-c4a7-4256-88ef-8c427886b924
Tangirala, R.
81a2d7eb-ad83-4ec1-b98a-a10f69a3f2a1
Singh, R.
d1445d2a-9cb7-4425-af69-b68bd2ac5575
Wills, R.G.A.
60b7c98f-eced-4b11-aad9-fd2484e26c2c
Walsh, F.C.
309528e7-062e-439b-af40-9309bc91efb2

Shah, A.A., Tangirala, R., Singh, R., Wills, R.G.A. and Walsh, F.C. (2011) A dynamic unit cell model of the all-vanadium redox flow battery. Journal of the Electrochemical Society, 158 (6), A671-A677. (doi:10.1149/1.3561426).

Record type: Article

Abstract

n this paper, a mathematical model for the all-vanadium battery is presented and analytical solutions are derived. The model is based on the principles of mass and charge conservation, incorporating the major resistances, the electrochemical reactions and recirculation of the electrolyte through external reservoirs. Comparisons between the model results and experimental data show good agreement over practical ranges of the vanadium concentrations and the flow rate. The model is designed to provide accurate, rapid solutions at the unit-cell scale, which can be used for control and monitoring purposes. Crucially, the model relates the process time and process conditions to the state of charge via vanadium concentrations.

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Published date: 7 April 2011
Keywords: cells (electric), secondary cells, vanadium
Organisations: Thermofluids and Superconductivity

Identifiers

Local EPrints ID: 188099
URI: http://eprints.soton.ac.uk/id/eprint/188099
ISSN: 0013-4651
PURE UUID: 9b00a744-5c7c-4754-8c2b-f1ecf995d881
ORCID for R.G.A. Wills: ORCID iD orcid.org/0000-0002-4805-7589

Catalogue record

Date deposited: 20 May 2011 08:37
Last modified: 15 Mar 2024 03:17

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Contributors

Author: A.A. Shah
Author: R. Tangirala
Author: R. Singh
Author: R.G.A. Wills ORCID iD
Author: F.C. Walsh

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