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Lead acid batteries are mainly composed of positive electrodeplates, negative electrode plates, separators, containers,electrolytes, and accessories. The plate group is composed of asingle plate combination. A single plate electrode is composed of abase electrode (also known as a grid) and an active material. Thepositive and negative plates of lead-acid batteries are commonlymade of lead antimony alloy. The active substance of the positiveelectrode is lead dioxide, and the active substance of the negativeelectrode is sponge like pure lead. The electrode plate is dividedinto paste type and formation type according to its structure andactive substance formation method.
