公开(公告)号：US20210043907A1

公开(公告)日：2021-02-11

申请号：US16650673

申请日：2018-12-27

Applicant: LG Chem, Ltd.

Inventor： Jae Uk Ryu ,  Dal Mo Kang ,  Jeong Oh Moon ,  Jae Min Yoo ,  Min Ho Kwon

IPC: H01M2/20 ,  H01M2/10

Abstract: A battery pack includes a battery cell and a bus bar electrically connected to the battery cell, wherein the bus bar includes a rupture portion configured to melt due to electric resistance heat generated by overcurrent and thus to rupture, the rupture portion having a plurality of through-holes therein.

公开(公告)号：US20200350610A1

公开(公告)日：2020-11-05

申请号：US16617259

申请日：2018-10-17

Applicant: LG Chem, Ltd.

Inventor： Jae Min Yoo ,  Dal Mo Kang ,  Jeong Oh Moon ,  Jaeuk Ryu ,  Su Chang Kim ,  Ji Su Yoon

IPC: H01M10/04 ,  H01M2/10 ,  H01M2/06

Abstract: A method for assembling a secondary battery cell module by using an assembling jig including a plurality of guide rods disposed on a jig plate includes: mounting a lower frame on the jig plate while the guide rods are inserted into a plurality of arranging through-holes of the lower frame; disposing a plurality of battery cells on the lower frame; mounting an upper frame on the battery cells while the guide rods are inserted into a plurality of arranging through-holes of the upper frame; fastening the upper frame and the lower frame together; and separating the assembling jig from the upper frame and the lower frame.

公开(公告)号：US11329308B2

公开(公告)日：2022-05-10

申请号：US16617259

申请日：2018-10-17

Applicant: LG Chem, Ltd.

Inventor： Jae Min Yoo ,  Dal Mo Kang ,  Jeong Oh Moon ,  Jaeuk Ryu ,  Su Chang Kim ,  Ji Su Yoon

IPC: H01M50/20 ,  H01M50/172 ,  H01M10/04 ,  H01M50/213

Abstract: A method for assembling a secondary battery cell module by using an assembling jig including a plurality of guide rods disposed on a jig plate includes: mounting a lower frame on the jig plate while the guide rods are inserted into a plurality of arranging through-holes of the lower frame; disposing a plurality of battery cells on the lower frame; mounting an upper frame on the battery cells while the guide rods are inserted into a plurality of arranging through-holes of the upper frame; fastening the upper frame and the lower frame together; and separating the assembling jig from the upper frame and the lower frame.

公开(公告)号：US11658367B2

公开(公告)日：2023-05-23

申请号：US16650673

申请日：2018-12-27

Applicant: LG Chem, Ltd.

Inventor： Jae Uk Ryu ,  Dal Mo Kang ,  Jeong Oh Moon ,  Jae Min Yoo ,  Min Ho Kwon

IPC: H01M50/502 ,  H01M50/50 ,  H01M50/204 ,  H01M50/583

CPC classification number: H01M50/502 ,  H01M50/204 ,  H01M50/50 ,  H01M50/583 ,  H01M2220/20

Abstract: A battery pack includes a battery cell and a bus bar electrically connected to the battery cell, wherein the bus bar includes a rupture portion configured to melt due to electric resistance heat generated by overcurrent and thus to rupture, the rupture portion having a plurality of through-holes therein.