Theoretical and Experimental Investigation on Disposing of Used Lead-Acid Cell Using Citric Acid

Abstract:

Taking the paste of used lead acid batteries as studying object, reaction mechanisms and experiments were investigated between citric acid and PbO, PbO₂ and PbSO₄. The results showed that: three reactions Gibbs function, between the citric acid and the PbO, PbO₂ and PbSO₄, were less than zero, and the reaction could be spontaneous; XRD results showed that: the above three reactions could produce lead citrate, and after roasting of the three kinds of lead citrate precursor, the powders, Pb/PbO as their main ingredients, could be obtained at low reaction temperature.

• Periodical: Advanced Materials Research (Volumes 396-398)
• Pages: 225-228
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.396-398.225
• Online since: November 2011
• Authors: Zhen Bin Zhang
• Keywords: Citric Acid (CA), Discard Lead-Acid Cell, Lead Citrate, PbO / Pb Powder

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