Preprint Article Version 1 NOT YET PEER-REVIEWED

Electrolyte Additive Concentration for Maximum Energy Storage in Lead-Acid Batteries

  1. Department of Mechanical, Chemical and Materials Engineering, University of Cagliari, 09123 Cagliari, Italy
Version 1 : Received: 20 September 2016 / Approved: 20 September 2016 / Online: 20 September 2016 (15:39:49 CEST)

A peer-reviewed article of this Preprint also exists.

Paglietti, A. Electrolyte Additive Concentration for Maximum Energy Storage in Lead-Acid Batteries. Batteries 2016, 2, 36. Paglietti, A. Electrolyte Additive Concentration for Maximum Energy Storage in Lead-Acid Batteries. Batteries 2016, 2, 36.

Journal reference: Batteries 2016, 2, 36
DOI: 10.3390/batteries2040036

Abstract

The paper presents a method to assess the effect of electrolyte additives on the energy capacity of Pb-acid batteries. The method applies to any chemically unreactive additive, including suspensions and gels. The approach is thermodynamically based and it leads to the definition of a region of admissible concentrations –the battery’s admissible range– where the battery can undergo an indefinite number of charge/discharge cycles without suffering permanent damage. An experimental procedure to determine this range is presented. The obtained results provide a way to assess the potential of electrolyte additives to improve the energy capacity of Pb-acid batteries. The same results also provide a means to determine the additive concentration that produces the maximum energy capacity increase of the battery. The paper closes with an example of application of the proposed approach to a practical case.

Subject Areas

Pb-acid batteries, electrolyte additives, battery energy capacity, electrolyte additive concentration

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