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为什么电池用完后会比原来轻了

更新时间: 2020-10-09 00:00:00     

理论上讲,锂电池充放电是化学反应,是化学能与电能相互转换,物质的成分和能量形式发生变化,但质量不会变化,而且过程是可逆的,充电后又可以恢复到原来状态,所以除了少量挥发外,质量没有减少,不会显著变轻。

关键词: 为什么 电池 原来

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