Abstract
The addition of carbon black to the positive paste led to an alteration in structure of the PbO2/PbSO4 electrode due to an increase in porosity, in active mass coarsening and in the α/β-PbO2 ratio. These structural effects are explained as being caused by the ability of carbon black to increase the water-accumulating capacity of the paste, to influence the local formation conditions and to participate in the charge transport within the unformed mass. Oxidative removal of carbon black from the active mass was studied.
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Dietz, H., Garche, J. & Wiesener, K. On the behaviour of carbon black in positive lead-acid battery electrodes. J Appl Electrochem 17, 473–479 (1987). https://doi.org/10.1007/BF01084120
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DOI: https://doi.org/10.1007/BF01084120