Patent ID: 11929630
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 3:
4. A method for charging a plurality of battery cells, the method comprising:
placing the plurality of battery cells into an activation tray, the activation tray having a first terminal plate embedded in the activation tray;
charging the battery cells with a constant current; and
connecting the plurality of battery cells in parallel after charging the battery cells with a constant current,
wherein the connecting of the plurality of battery cells in parallel includes covering the activation tray with a tray cover member, the tray cover member having a plurality of grooves to receive upper portions of the plurality of battery cells therein, the tray cover member having a second terminal plate embedded in the tray cover, the tray cover member being movable relative to the activation tray, and
wherein the connecting of the plurality of battery cells in parallel is performed without charging of the plurality of battery cells with a constant voltage while the plurality of battery cells are in the activation tray.