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铅酸电池原理
更新时间： 2020-12-16 00:00:00  

铅酸蓄电池内装有多空多层的二氧化铅板和松软多孔的Pb板，整个电池内充满了硫酸溶液。放电时，负极板（铅板）逐渐被氧化成硫酸铅，正极板（二氧化铅）逐渐被还原成硫酸铅，两个极板生成的硫酸铅都释放到溶液中，此时溶液渐渐降低了酸性，比重增大。充电时，溶液中的硫酸铅分别被还原成铅和氧化成二氧化铅，铅在负极板上沉积，二氧化铅在正极板上沉积。

关键词： 铅酸 电池 原理

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