锂离子电池的自放电率一般为每月2%～5%，可以完全满足单体电池的使用要求。然而，单体锂电池一旦组装成模块后，因各个单体锂电池的特性不是完全一致，故每次充放电后，各单体锂电池的端电压不可能达到完全一致 ，从而会在锂电池模块中出现过充或者过放的单体电池，单体锂电池性能就会产生恶化。随着充放电的次数增加，其恶化程度会进一步加剧，循环寿命相比未配组的单体电池大幅下降。因此 ，对锂离子电池的自放电率进行深入研究是电池生产的迫切需要。下面云南锂电池就来讲解一下。

YI、ZIFANGDIANDEYINGXIANGYINSU

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2 DUIDIANCHIJINXINGPEIZUPEIZU

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3 DIANCHISOCGUSUANXIUZHENG

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