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公开(公告)号：EP3696883A1
公开(公告)日：2020-08-19
申请号：EP19863111.1
申请日：2019-08-30
申请人： LG CHEM, LTD.
发明人： YANG, Kun-Joo , YOON, Seog-Jin
IPC分类号： H01M2/20 , H01M2/10 , B21D5/08 , B23K20/04 , B23K101/38
摘要： A battery module includes a plurality of cylindrical battery cells respectively having electrode terminals formed at an upper portion and a lower portion thereof; a module housing including an accommodation portion having a plurality of hollow structures in which the plurality of cylindrical battery cells are inserted and accommodated; and a module bus bar including a first metal plate having a body portion located at an upper portion or a lower portion of the plurality of cylindrical battery cells to extend in a horizontal direction and a plurality of connection portions configured to extend in a horizontal direction from one side of the body portion to contact the electrode terminals of the plurality of cylindrical battery cells, and a second metal plate bonded to the body portion of the first metal plate and having a metal with a relatively higher electric conductivity than the first metal plate.
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公开(公告)号：EP1776726B8
公开(公告)日：2018-10-31
申请号：EP05765914.6
申请日：2005-07-07
申请人： LG Chem, Ltd.
发明人： CHUNG, Jae-Sik , MOON, Ki-Eob , YOON, Seog-Jin , LEE, Cheol-Woong
CPC分类号： H01M2/344 , H01M2/0277 , H01M6/505 , H01M10/04 , H01M10/425 , H01M10/488 , Y10T29/49108 , Y10T29/49114
摘要： Disclosed are a method for manufacturing a battery in which an A/S label is disposed in a plastic member of the battery and a battery made by the method. In the battery made by the method according to the present invention, the A/S label is prevented from being separated and disappeared and from being exchanged or modified arbitrarily by a battery user.
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公开(公告)号：EP3686956A1
公开(公告)日：2020-07-29
申请号：EP19788741.7
申请日：2019-01-22
申请人： LG CHEM, LTD.
发明人： LEE, Kwang-Bae , YANG, Kun-Joo , YOON, Seog-Jin
IPC分类号： H01M2/10 , H01M2/20 , B23K11/14 , B23K101/38
摘要： A battery module including a bus bar for increasing weldability between the bus bar and an electrode terminal of a cylindrical battery cell, increasing a heat dissipation efficiency, and reducing current loss is provided. The battery module includes: cylindrical battery cells; a module housing; and a bus bar, wherein the bus bar includes: a main body portion that is positioned at a top or a bottom of the plurality of cylindrical battery cells and has a plate shape having upper and lower surfaces that are broader than a lateral surface of the main body portion in a horizontal direction; and a contact portion that is configured to electrically contact and be connected to an electrode terminal formed in one of the plurality of cylindrical battery cells, extends and protrudes from the main body portion in a horizontal direction, is stepped from the main body portion in a direction toward where the electrode terminal is positioned, and includes a branched structure bifurcated in two directions with respect to a direction in which the contact portion extends and protrudes from the main body portion, wherein an embossed protrusion protruding toward where the electrode terminal is positioned is formed in the branched structure, and a contact area is set to allow a welding rod to establish electrical connection around the embossed protrusion in the branched structure.
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公开(公告)号：EP3570347A1
公开(公告)日：2019-11-20
申请号：EP18858968.3
申请日：2018-08-21
申请人： LG Chem, Ltd.
发明人： LEE, Kwang-Bae , YOON, Seog-Jin
摘要： The present invention discloses a battery module capable of improving efficiency in installation of a plurality of battery module by connecting and expanding thereof. The battery module, achieving the purpose of the present invention, comprises: a plurality of cylindrical battery cells; a module housing having an accommodating part; a bus bar electronically connected to electrode terminals of at least two cylindrical battery cell; and a current collecting plate contacting with another current collecting plate , thereby electronically connected to a plurality of cylindrical battery cells of another battery module, wherein a guide coupling structure, including a coupling protrusion and a guiding groove, is formed to guide an arrangement location of another battery module on an outer surface of an external wall of the module housing.
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公开(公告)号：EP1776726B1
公开(公告)日：2018-09-05
申请号：EP05765914.6
申请日：2005-07-07
申请人： LG CHEM, LTD.
发明人： CHUNG, Jae-Sik , MOON, Ki-Eob , YOON, Seog-Jin , LEE, Cheol-Woong
CPC分类号： H01M2/344 , H01M2/0277 , H01M6/505 , H01M10/04 , H01M10/425 , H01M10/488 , Y10T29/49108 , Y10T29/49114
摘要： Disclosed are a method for manufacturing a battery in which an A/S label is disposed in a plastic member of the battery and a battery made by the method. In the battery made by the method according to the present invention, the A/S label is prevented from being separated and disappeared and from being exchanged or modified arbitrarily by a battery user.
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公开(公告)号：EP3709388A1
公开(公告)日：2020-09-16
申请号：EP19869802.9
申请日：2019-08-30
申请人： LG CHEM, LTD.
发明人： YANG, Jin-Oh , YOON, Seog-Jin
摘要： A battery pack includes a plurality of battery modules arranged in a front and rear direction, and each of the plurality of battery modules includes a plurality of cylindrical battery cells; a module housing having a plurality of hollows in which the plurality of cylindrical battery cells are inserted and accommodated; and a connection plate having a body portion located at the upper portion or the lower portion of the plurality of cylindrical battery cells and provided with a plurality of connection terminals respectively in electrical contact and connection with the electrode terminal formed at one of the plurality of cylindrical battery cells, and a connection portion configured to protrusively extend in a left direction or a right direction from the body portion so that the protrusively extending portion is bent upward or downward from the body portion and the bent end is in contact and connection with a portion of another connection plate.
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公开(公告)号：EP3696906A1
公开(公告)日：2020-08-19
申请号：EP19857865.0
申请日：2019-08-29
申请人： LG CHEM, LTD.
发明人： KIM, Jae-Sang , YANG, Kun-Joo , YOON, Seog-Jin
IPC分类号： H01M10/6554 , H01M10/653 , H01M10/643 , H01M10/6235 , H01M2/10 , H01M2/20
摘要： Disclosed is a secondary battery pack including a plurality of cylindrical battery cells with improved cooling efficiency. The secondary battery pack includes a plurality of cylindrical battery cells having electrode terminals formed at both ends thereof; a pack case having an accommodation portion formed to accommodate the plurality of cylindrical battery cells therein and at least one exposing portion perforated from an inside to an outside thereof; at least one heat dissipation plate configured in the form of a metal plate and located at the exposing portion of the pack case so that at least a portion thereof is exposed out through the exposing portion of the pack case; and a heat transfer pad having a thermally conductive material in a solid state and interposed between the plurality of cylindrical battery cells and the heat dissipation plate.
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公开(公告)号：EP3696882A1
公开(公告)日：2020-08-19
申请号：EP19822859.5
申请日：2019-01-25
申请人： LG CHEM, LTD.
发明人： PARK, Ji-Soo , YOON, Seog-Jin
摘要： Provided are a battery module including a bus bar, whereby weldability may be increased by reducing current loss when welding the bus bar and an electrode terminal of a battery cell, and a battery pack including the battery module. The battery module includes: a plurality of cylindrical battery cells; a module housing; and a bus bar configured to contact the electrode terminals of the plurality of cylindrical battery cells to electrically connect between the plurality of cylindrical battery cells, wherein the bus bar includes: a main body portion that is positioned over or below the plurality of cylindrical battery cells and has a plate shape that is flat in a horizontal direction, wherein at least one coupling opening perforated vertically is formed in the plate shape; and a first connection extension portion and a second connection extension portion that protrude and extend from an internal boundary of the coupling opening in different horizontal directions from each other and have end portions that are electrically connected and fixed to an electrode terminal of one of the plurality of cylindrical battery cells.
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