Method of periodic refresh charging of storage battery packs
First Claim
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1. A method of refresh charging of a battery pack having at least two series-connected cells, comprising the steps of:
- feeding, in a charging cycle (1) over a charging period, an effective charging current (Icharge) to each of the at least two series-connected cells; and
feeding, in a subsequent refresh cycle (2) that follows a period (K) in a number (M) of charging cycles (1), over a refresh charging cycle (6), a lower effective refresh current (Irefresh) to each of the at least two series-connected cells.
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Abstract
A charging method for a battery pack with each of the at least two series-connected cells being supplied with an effective charging current (ICharge), in a charging cycle (1) over a charging period, and being supplied with a lower effective refresh current. (Irefresh), in an at least occasional subsequent refresh cycle (2) over a refresh charging cycle (6). The refresh cycle (2) follows after a period (K) in a number (M) of charging cycles (1).
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Citations
16 Claims
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1. A method of refresh charging of a battery pack having at least two series-connected cells, comprising the steps of:
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feeding, in a charging cycle (1) over a charging period, an effective charging current (Icharge) to each of the at least two series-connected cells; and feeding, in a subsequent refresh cycle (2) that follows a period (K) in a number (M) of charging cycles (1), over a refresh charging cycle (6), a lower effective refresh current (Irefresh) to each of the at least two series-connected cells. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification