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电源正极为什么是高电位
更新时间: 2020-07-14 00:00:00  

电池中负极被氧化,失去电子;正极被还原,得到电子。

在整个电池过程中,电子通过外电路从负极流向正极,即电流从正极到负极,根据物理中电势的定义,正电荷总是从高电势流向低电势,所以电池中正极是高电位,负极是低电位。

关键词: 电源 正极 为什么 电位

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