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Development of Gas-Separation Membrane-Assisted Lead-Acid Battery

Ismail, A. F. and Hafiz, W. A. (2005) Development of Gas-Separation Membrane-Assisted Lead-Acid Battery. Journal of Power Sources, 141 (1). pp. 177-187. ISSN 0378-7753

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Official URL: http://dx.doi.org/10.1016/j.jpowsour.2004.09.028


The objective of this study is to improve the design of a starting, lighting and ignition (SLI) lead-acid battery with the introduction of gasseparation membrane technology that functions as an electrolyte retainer. Asymmetric polysulfone gas-separation flat-sheet membranes were applied on the battery vent holes that is charged at 15A and the electrolyte loss data were monitored and compared to the conventional battery. Effects of polymer concentration and casting shear rate were investigated in order to produce the most suitable gas-separation membrane, which features minimal electrolyte losses during the charging test. At room temperature, the electrolyte losses of a membrane-assisted leadacid battery are about 6.67 g h-1, while for a conventional battery it is about 26.67 g h-1. During the charging process at a temperature of about 80 ?C, the membrane-assisted lead-acid battery can save up to 40% of electrolyte losses compared to the conventional battery.

Item Type:Article
Uncontrolled Keywords:Lead-acid battery; Electrolyte losses; Gas-separation membrane
Subjects:T Technology > TP Chemical technology
Divisions:Chemical and Natural Resources Engineering
ID Code:795
Deposited By: Pn Norazana Ibrahim
Deposited On:22 Feb 2007 05:38
Last Modified:25 Oct 2010 09:48

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