Method for recovering lead plaster of negative pole of disused lead acid storage battery and application of recovered lead plaster
A technology of lead-acid batteries and negative electrode paste, which is applied in the field of recycling and reuse of waste items, can solve the problems of difficult large-scale production, energy consumption, and high power consumption, and achieve the effects of reducing energy consumption, less pollution, and low energy consumption
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[0042] The following is further detailed in conjunction with the embodiments shown in the drawings.
[0043] The present invention implements a method for recovering the negative lead paste of a waste lead-acid battery, including the following steps:
[0044] A. Fully charge the waste lead-acid battery, so that the active material in the negative electrode plate of the battery is converted into lead Pb; in a preferred embodiment of the present invention, the full charge of the waste battery refers to 2.45V / cell at room temperature The battery unit refers to the smallest electrode unit that constitutes the lead-acid battery plate; the battery is charged for 4 to 10 hours with a current limit of 0.2 coulomb;
[0045] B. Separate and sort the lead paste in the lead-acid battery processed in step A by mechanical dismantling or crushing and sorting; the mechanical dismantling method refers to the method of obtaining lead paste by rotating and colliding the battery plates , Or the method ...
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