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阴阳极和正负极有何区别

更新时间: 2021-04-04 04:23:36     

1、正极和负极是针对原电池,而阴极和阳极是指电解池的。

2、电解池内电池正极接阳极,电池负极接阴极。

3、通常情况下,在原电池中某一电极若不断溶解或质量不断减少,该电极发生氧化反应,此为原电池的负极(阳极,anode);若原电池中某一电极上有气体生成、电极的质量不断增加或电极质量不变,该电极发生还原反应,此为原电池的正极(阴极,cathode)。

关键词: 阴阳 负极 区别

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