Battery pack self-discharge standard

4 FAQs about [Battery pack self-discharge standard]

How does the self-discharge rate affect battery capacity?

View access options below. The inconsistency of the self-discharge rate of each cell in series has an impact on the capacity of the battery pack, which is one of the best interpretations of the Cannikin Law. The cells with high self-discharge rate in series determine the pack capacity.

Which battery pack has the smallest self-discharge rate?

Among the 12 cells of the battery pack, the self-discharge rate of the No. 5 cell is the largest, the self-discharge rate of the No. 4 cell is also relatively large, and the self-discharge rate of the No. 11 cell is the smallest.

What happens if a battery pack is charged for self-discharge?

If the battery pack is charged to this state for self-discharge, the cells with poor performance in the battery pack may be in danger of over-discharge; The OCV of each cell corresponding to 20 % SOC-90 % SOC has a small change, and the voltage of each cell is basically on the voltage platform.

What is the self-discharge rate of lithium battery?

The self-discharge rate of lithium battery can be represented by capacity decay, OCV decrease and self-discharge current during storage . The existing self-discharge rate detection methods include the definition method, capacity retention method, and open-circuit voltage decay method .

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