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An analytical study of a lead-acid flow battery as an energy storage system
- An analytical study of a lead-acid flow battery as an energy storage system
- 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
- Journal of Power Sources, 249, 207-218
- Article Type
- Analytical Studies; Analytical Study; Clean Energy Technology; Deposition; Electric Potential; Electrolytes; Energy Storage; Energy Storage System; Energy Storage Systems; Environmental Conditions; Flow Batteries; Lead; Lead-Acid Flow Battery; Lead Deposition; Lead Deposits; Soluble Lead-Acid Flow Batteries; System Configurations
- 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.
- ELSEVIER SCIENCE BV
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