两个电池并联正极对正极会相互充电吗?

2025年04月07日 18:43
有3个网友回答
网友(1):

  两个电池并联会相互充电的。能够充电的前提就是极性相同,电压高的向电压低的充电。
  电压是一种物理势能,也称电位。电势能表明,高电位的电流,会流向低电位,以寻求两电位的平衡。就好比高处的水流总向低处流一样,以求两处水流的平衡。
  因此,两电池并联,且极性相同,就会发生两电势平衡现象,即高电位的电池会向低电位的电池充电。聪明的商家,懂得了这个原理,推出了各式各样“充电宝”、“应急宝”、“水潭宝”等等。其实就是两个电池并联充电的原理。而充电的快慢、电量的大小,取决于充电电压(电势)的高低和电池的容量。
  假如极性不同,在电势(电压)不高的情况下,异性电流是互相排斥的,即不会相互充电。而在电势相差悬殊的情况下(3倍以上电压差别),由于电池电源都有一定的内电阻,会承受不了高电压的势能而被高电压击穿,形成短路或爆炸。

网友(2):

两个电池并联正极对正极会相互充电。只要有压差就有这种现象!

网友(3):

不会充电,如果电池不好,会缓慢跑电的。
并联的正对负才会充电。

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