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公开(公告)号：US20200373528A1
公开(公告)日：2020-11-26
申请号：US16767671
申请日：2019-03-04
Applicant: LG CHEM, LTD.
Inventor： Jin-Yong PARK , Jeong-O MUN , Ho-June CHI , Kyung-Mo KIM , Seung-Joon KIM , Jung-Been YOU , Jung-Hoon LEE
IPC: H01M2/10
Abstract: Disclosed is a battery housing. The battery housing includes a plurality of covers coupled to each other to form a space in which the battery is accommodated, the plurality of covers having a first cover and a second cover disposed adjacent to the first cover and coupled to the first cover; and a coupling rod configured to couple the first cover and the second cover.
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2.发明申请公开(公告)号：US20200368855A1
公开(公告)日：2020-11-26
申请号：US16766934
申请日：2019-02-20
Applicant: LG CHEM, LTD.
Inventor： Kyung-Mo KIM , Jeong-O MUN , Jin-Yong PARK , Jung-Hoon LEE , Ho-June CHI
Abstract: Disclosed is a pressing jig for welding an electrode lead located in a lead slit formed at the bus bar to the bus bar in a closely adhered state. The pressing jig includes a first frame having a first distance adjusting unit and a first pressing unit, and a second frame having a second distance adjusting unit facing the first distance adjusting unit and a second pressing unit facing the first pressing unit. The first frame and the second frame are coupled so that a distance between first pressing unit and the second pressing unit is increased when a distance between the first distance adjusting unit and the second distance adjusting unit is decreased, and the distance between first pressing unit and the second pressing unit is decreased when the distance between the first distance adjusting unit and the second distance adjusting unit is increased.
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公开(公告)号：US20200266416A1
公开(公告)日：2020-08-20
申请号：US16617326
申请日：2018-12-11
Applicant: LG CHEM, LTD.
Inventor： Jung-Hoon LEE , Kyung-Mo KIM , Jin-Yong PARK , Ho-June CHI , Dal-Mo KANG , Jeong-O MUN
Abstract: Provided is a laser welding apparatus configured to weld an electrode lead of at least one secondary battery of a battery module and a main bus bar configured to electrically connect a plurality of secondary batteries to each other. The laser welding apparatus includes: a laser beam emitting unit including a laser emitting element to irradiate a laser beam to the electrode lead and the main bus bar; a pressing jig including a pressing bar configured to move in a left-and-right direction such that the electrode lead is adhered to the main bus bar; and a blocking block movable to block the laser beam generated in the laser beam emitting unit from reaching the at least one secondary battery or movable to allow the generated laser beam to pass therethrough, according to a position of the pressing bar moved in the left-and-right direction.
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公开(公告)号：US20210344083A1
公开(公告)日：2021-11-04
申请号：US17270241
申请日：2019-11-27
Applicant: LG CHEM, LTD.
Inventor： Kyung-Mo KIM , Jin-Yong PARK , Ho-June CHI , Seung-Joon KIM , Jeong-O MUN , Hee-Jun JIN
IPC: H01M50/505 , B23K37/04 , H01M50/209 , H01M50/536
Abstract: Discussed is a battery module manufacturing system, which includes a battery module having a cell stack formed by stacking a plurality of battery cells, a module case configured to accommodate the cell stack and a bus bar frame configured to cover an opening at one side of the module case; a fixing frame coupled to one side of the battery module so that the bus bar frame is exposed to the outside; and at least one pressing jig apparatus coupled onto the fixing frame and configured to press electrode leads of the plurality of battery cells so that the electrode leads are welded in close contact with both sides of a bus bar provided to the bus bar frame.
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Patent Agency Ranking
5.发明申请公开(公告)号：US20210234241A1
公开(公告)日：2021-07-29
申请号：US17051102
申请日：2019-08-19
Applicant: LG CHEM, LTD.
Inventor： Kyung-Mo KIM , Jeong-O MUN , Jin-Yong PARK , Ho-June CHI
IPC: H01M50/516 , B23K26/21 , H01M50/209 , H01M50/503 , H01M50/528 , H01M50/536
Abstract: Discussed is a battery module that includes a plurality of battery cells having electrode leads protruding in at least one direction; and at least one bus bar disposed at one side of the plurality of battery cells and connected to the electrode leads of the plurality of battery, the bus bar having a beam penetration prevention guider configured to prevent a laser beam from penetrating toward the plurality of battery cells during a laser welding.
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公开(公告)号：US20200290162A1
公开(公告)日：2020-09-17
申请号：US16767947
申请日：2019-04-02
Applicant: LG CHEM, LTD.
Inventor： Kyung-Mo KIM , Jeong-O MUN , Jin-Yong PARK , Jung-Hoon LEE , Ho-June CHI
Abstract: Disclosed is an automatic pressing jig apparatus including a plurality of pressing units configured to simultaneously press a plurality of bus bars provided in the battery module, the plurality of pressing units pressing an end portion of a lead assembly from an upper portion of the bus bar so that the lead assembly does not protrude through a lead slit of a bus bar among the plurality of bus bars; a support plate connected to one end portion of the plurality of pressing units to support the plurality of pressing units; and a distance adjusting unit connected to the support plate to move the support plate so that the plurality of pressing units are moved away from or closer to the battery module.
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公开(公告)号：US20200020915A1
公开(公告)日：2020-01-16
申请号：US16494658
申请日：2018-09-10
Applicant: LG CHEM, LTD.
Inventor： Ho-June CHI , Kyung-Mo KIM , Jeong-O MUN , Jin-Yong PARK , Jung-Hoon LEE
Abstract: A bus bar assembly for electrically connecting a plurality of battery cells having electrode leads is provided. The bus bar assembly includes a bus bar support frame having an opening; an insertion bus bar, the insertion bus bar being displaceable relative to the bus bar support frame in the opening; side-adhering bus bars positioned with the insertion bus bar being interposed therebetween to form fitting spaces respectively besides opposite sides of the insertion bus bar so that at least one electrode lead is insertable into each of the fitting spaces; and a support member configured to support the insertion bus bar at a location protruding further from the bus bar support frame than the side-adhering bus bars protrude from the bus bar support frame, the support member being elastically deformable by the insertion bus bar when the insertion bus bar is pressed.
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公开(公告)号：US20210299801A1
公开(公告)日：2021-09-30
申请号：US17268738
申请日：2020-01-07
Applicant: LG CHEM, LTD.
Inventor： Kyung-Mo KIM , Jin-Yong PARK , Ho-June CHI , Seung-Joon KIM , Jeong-O MUN , Hee-Jun JIN
IPC: B23K37/04 , B23K26/70 , H01M50/531
Abstract: Discussed is an electrode lead tack welding jig for a battery cell, and the jig including a jig body configured to support at least two battery cells, and a close contact guide unit provided to both ends of the jig body and configured to guide electrode leads of the at least two battery cells to come into close contact when tack welding is performed to the electrode leads by a laser.
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公开(公告)号：US20210126313A1
公开(公告)日：2021-04-29
申请号：US16494031
申请日：2018-10-31
Applicant: LG CHEM, LTD.
Inventor： Jung-Hoon LEE , Hang-June CHOI , Dal-Mo KANG , Kyung-Mo KIM , Jeong-O MUN , Jin-Yong PARK , Ho-June CHI
IPC: H01M50/207 , H01M50/244 , H01M50/249 , H01M10/04
Abstract: A battery module which includes a cell assembly having a plurality of secondary batteries; a module housing having at least one side wall and configured to accommodate the cell assembly in an internal space defined by the at least one side wall; and an end frame including: a body frame that includes a main wall and at least one side wall extending from an outer circumference of the main wall in a direction where the module housing is positioned; and a coupling plate that is configured such that one side portion of the coupling plate is combined and fixed to the at least one side wall of the body frame and the other side portion of the coupling plate is combined to a front end portion or a rear end portion of the module housing.
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