
云南锂电池丨锂电池自放电影响因素及测量方法!
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。
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