Journal
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
Volume 135, Issue -, Pages 460-469Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijheatmasstransfer.2019.02.008
Keywords
Vanadium redox flow battery; Design of flow field; Two-dimensional mathematical model
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Funding
- Open Projects of State Key Laboratory of Multiphase Flow in Power Engineering of China
- Research Grant Council of the Hong Kong Special Administrative Region, China [T23-601/17-R]
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In this work, we report a two-dimensional mathematical model for the design of flow fields in vanadium redox flow batteries (VRFBs). The model is validated by calculating the pressure drop, distribution uniformity of vanadium ions in an interdigitated flow field and a serpentine flow field for a 9-cm(2) cell. The model is then used to simulate interdigitated and a series of parallel serpentine design of flow fields in a 410-cm(2) cell. It is demonstrated that with an increase in the number of parallel serpentine channels, the pumping power decreases while the distribution of vanadium ions becomes less uniform. Among the design of flow fields studied in this work, the interdigitated design performs the lowest pumping power and the most uniform distributions of vanadium ions. (C) 2019 Elsevier Ltd. All rights reserved.
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