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The plate group is composed of a single plate combination. Asingle plate electrode is composed of a base electrode (also knownas a grid) and an active material. The positive and negative platesof lead-acid batteries are commonly made of lead antimony alloy.The active substance of the positive electrode is lead dioxide, andthe active substance of the negative electrode is sponge like purelead. The electrode plate is divided into paste type and formationtype according to its structure and active substance formationmethod.
The paste type electrode plate has smaller volume, lighterweight, easier manufacturing, and lower price compared to theformed electrode plate at the same capacity. Therefore, it iswidely used; The disadvantage is that the active substance is proneto detachment during charging and discharging. Therefore, itslifespan is short, and the advantage of forming a type of electrodeplate is its structure.
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