CPC B60L 58/16 (2019.02) [B60L 58/18 (2019.02); B60L 58/24 (2019.02); H01M 4/485 (2013.01); H01M 10/44 (2013.01); H01M 50/155 (2021.01); H01M 50/572 (2021.01); B60L 2240/545 (2013.01); B60L 2240/547 (2013.01)] | 20 Claims |
1. A charging method for a secondary battery, the secondary battery comprising a lithium-supplementing material, the method comprising:
acquiring a first state of health of the secondary battery in response to the secondary battery being at a preset charging node;
activating the lithium-supplementing material in response to the first state of health being less than or equal to a first threshold, to supplement lithium for the secondary battery;
performing a charging process on the secondary battery;
determining a second state of health of the secondary battery based on a working parameter of the secondary battery in the charging process; and
charging the secondary battery in response to the second state of health being greater than a second threshold.
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