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A novel flow battery: A lead acid battery based on an electrolyte with soluble lead(II). Part IX: Electrode and electrolyte conditioning with hydrogen peroxide

By John Collins, Xiaohong Li, Derek Pletcher, Ravichandra Tangirala, Duncan Stratton-Campbell, Frank C Walsh and Caiping Zhang

Abstract

Extended cycling of a soluble lead acid battery can lead to problems due to an imbalance in the coulombic efficiency leading to deposits of Pb and PbO2 on the electrodes. Periodic addition of hydrogen peroxide to the electrolyte of the soluble lead acid flow battery largely overcomes several operational problems seen during extended cycling, using a 10 cm×10cm parallel plate flow cell. It is shown that this treatment greatly extends the number of cycles that can be achieved with a reasonable energy-, voltage-, and charge efficiency of 54–66%, 71%, and 77–91%

Topics: TP, QD
Year: 2009
OAI identifier: oai:eprints.soton.ac.uk:71888
Provided by: e-Prints Soton

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