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An analytical study of a lead-acid flow battery as an energy storage system

Title
An analytical study of a lead-acid flow battery as an energy storage system
Authors
Bates, A[Bates, Alex]Mukerjee, S[Mukerjee, Santanu]Lee, SC[Lee, Sang C.]Lee, DH[Lee, Dong-Ha]Park, S[Park, Sam]
DGIST Authors
Lee, SC[Lee, Sang C.]; Lee, DH[Lee, Dong-Ha]
Issue Date
2014-03-01
Citation
Journal of Power Sources, 249, 207-218
Type
Article
Article Type
Article
Keywords
Analytical StudiesAnalytical StudyClean Energy TechnologyDepositionElectric PotentialElectrolytesEnergy StorageEnergy Storage SystemEnergy Storage SystemsEnvironmental ConditionsFlow BatteriesLeadLead-Acid Flow BatteryLead DepositionLead DepositsSoluble Lead-Acid Flow BatteriesSystem Configurations
ISSN
0378-7753
Abstract
The most important issue with our current clean energy technology is the dependence on environmental conditions to produce power. To solve this problem a wide range of energy storage devices are being explored for grid-scale energy storage including soluble lead-acid flow batteries. Flow batteries offer a unique solution to grid-scale energy storage because of their electrolyte tanks which allow easy scaling of storage capacity. This study seeks to further understand the mechanisms of a soluble lead acid flow battery using simulations. The effects of varies changes to operating conditions and the system configuration can be explored through simulations. The simulations preformed are 2D and include the positive electrode, negative electrode, and the flow space between them. Simulations presented in this study show Pb(II) surface concentration, external electric potential, and PbO/PbO2 surface concentration on the positive electrode. Simulations have shown increasing cell temperature can increase external electric potential by as much as 0.2 V during charge. Simulations have also shown electrolyte velocity is an important aspect when investigating lead deposition onto the electrodes. Experimental work was performed to validate simulation results of current density and voltage. Good correlation was found between experimental work and simulation results. © 2013 Elsevier B.V. All rights reserved.
URI
http://hdl.handle.net/20.500.11750/2661
DOI
10.1016/j.jpowsour.2013.10.090
Publisher
ELSEVIER SCIENCE BV
Related Researcher
Files:
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Collection:
Convergence Research Center for Future Automotive Technology1. Journal Articles


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