A new pH phenomenon to predict polarity reversal in lead-acid cells

J. Mooney, A. Alaswad and A. Cruden

Energy, 2017, vol. 136, issue C, 100-109

Abstract: This paper discusses new experimental work investigating the change in pH of the electrolyte of individual cells in Lead-Acid batteries during discharge with a view to predicting cell polarity reversal and thereby pre-empting potentially catastrophic failure in batteries. The discharge tests were carried out on batteries which were classified as ‘new’ and ‘aged’ as a means of indicating their state of health. A new pH phenomenon has been recorded for the first time in this paper as evidenced by experimental results including measurement of half-cell potentials. The trends observed during the discharge tests could be used as additional means of indicating impending cell reversal in series connected lead-acid cells.

Keywords: Lead-acid; pH; Cell; Voltage and condition monitoring; Batteries; Energy storage (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:136:y:2017:i:c:p:100-109

DOI: 10.1016/j.energy.2016.04.083

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