US 11,929,630 B2
Secondary battery charging method that shortens charging time
So Hee Kim, Daejeon (KR); Nak Gi Sung, Daejeon (KR); and Joon Sung Bae, Daejeon (KR)
Assigned to LG ENERGY SOLUTION, LTD., Seoul (KR)
Appl. No. 16/979,711
Filed by LG CHEM, LTD., Seoul (KR)
PCT Filed Jan. 16, 2020, PCT No. PCT/KR2020/000807
§ 371(c)(1), (2) Date Sep. 10, 2020,
PCT Pub. No. WO2020/149668, PCT Pub. Date Jul. 23, 2020.
Claims priority of application No. 10-2019-0005903 (KR), filed on Jan. 16, 2019.
Prior Publication US 2021/0013722 A1, Jan. 14, 2021
Int. Cl. H02J 7/00 (2006.01); H01M 10/44 (2006.01)
CPC H02J 7/0013 (2013.01) [H01M 10/44 (2013.01); H01M 10/441 (2013.01); H01M 10/446 (2013.01); H02J 7/00 (2013.01); H02J 7/0042 (2013.01); H02J 7/0045 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An activation tray assembly in which a plurality of battery cells are mountable for a transfer and charging of the plurality of battery cells in a manufacturing process, the activation tray assembly comprising:
an activation tray having an open top and configured to receive the plurality of battery cells mounted thereon, the activation tray having a first terminal plate embedded in a lower portion of the activation tray; and
a tray cover member corresponding to the activation tray, the tray cover member having a plurality of grooves configured 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 member,
wherein the tray cover member is movable relative to the activation tray, and
wherein the first and second terminal plates are configured to come into direct contact with first and second electrodes of the plurality of battery cells to connect the plurality of battery cells in parallel.