CPC H02J 7/00712 (2020.01) [H02J 7/0048 (2020.01); H02J 7/007182 (2020.01); H02J 2310/54 (2020.01)] | 12 Claims |
1. A battery charging method, comprising:
performing a charging process on a battery; and
monitoring an electrical parameter of the battery during the charging process; wherein the charging process consists of the following steps:
when the electrical parameter of the battery reaches a first threshold, suspending charging of the battery and discharging the battery by applying a first negative pulse for a first duration of t1;
continuing to charge the battery after discharging the battery for the first duration of t1;
when the electrical parameter of the battery reaches a second threshold, suspending charging of the battery and discharging the battery by applying a second negative pulse for a second duration of t2; and
continuing to charge the battery after discharging the battery for the second duration of t2;
wherein the first duration t1 is greater than or equal to 3 seconds and less than 13 seconds, the second duration t2 is greater than 3 seconds and less than or equal to 13 seconds, and t1 is less than t2; and
wherein the electrical parameter is state of charge (SOC), and the first threshold is lower than the second threshold.
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