Patent ID: 11865943
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  Y | IPC B  H

Claim 2:
3. The method according to claim 1, wherein activating the lithium-supplementing material to supplement lithium for the secondary battery comprises:
setting an overcharge protection voltage as a lithium-supplementing voltage, wherein the lithium-supplementing voltage is a charging cut-off voltage corresponding to a charging node where the secondary battery is at;
charging the secondary battery to the lithium-supplementing voltage at a constant current of a preset first rate;
charging the secondary battery to a preset charging cut-off current at a constant voltage equal to the lithium-supplementing voltage; and
discharging the second battery to a preset cut-off voltage at a constant current of a preset second rate.