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Advanced Modeling of the Dynamics of Vanadium Redox Flow Batteries

[+] Author Affiliations
Yun Wang, Sung Chan Cho

University of California, Irvine, Irvine, CA

Paper No. FUELCELL2015-49408, pp. V001T02A003; 6 pages
doi:10.1115/FUELCELL2015-49408
From:
  • ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology collocated with the ASME 2015 Power Conference, the ASME 2015 9th International Conference on Energy Sustainability, and the ASME 2015 Nuclear Forum
  • ASME 2015 13th International Conference on Fuel Cell Science, Engineering and Technology
  • San Diego, California, USA, June 28–July 2, 2015
  • Conference Sponsors: Advanced Energy Systems Division
  • ISBN: 978-0-7918-5661-1
  • Copyright © 2015 by ASME

abstract

In this paper, a multi-dimensional dynamic model of vanadium Redox Flow Batteries (RFB) is employed to predict battery performance and internal operating condition during charge and discharge. The model consists of a set of partial differential equations of mass, momentum, species, charges, and energy conservation, in conjunction with the electrode’s electrochemical reaction kinetics. After validated against experimental data for a vanadium RFB, flow field, temperature distribution, and reactant evolution are presented. The developed numerical tool is extremely useful in optimizing RFB design and control.

Copyright © 2015 by ASME

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