公开(公告)号：US11777157B2

公开(公告)日：2023-10-03

申请号：US16469368

申请日：2018-02-12

申请人： LG CHEM, LTD.

发明人： Eun-Ah Ju ,  Hang-June Choi ,  Sung-Won Seo ,  Dal-Mo Kang ,  Jeong-O Mun ,  Yoon-Koo Lee

IPC分类号： H01M10/613 ,  H01M10/625 ,  H01M10/6556 ,  B60L50/64 ,  B60L58/26 ,  H01M50/211

CPC分类号： H01M10/613 ,  B60L50/64 ,  B60L58/26 ,  H01M10/625 ,  H01M10/6556 ,  H01M50/211 ,  H01M2220/20

摘要： Disclosed is a battery module including a module housing capable of effectively increasing an energy density while improving the heat dissipation efficiency. The battery module includes a cell assembly having a plurality of secondary batteries; and a module housing having at least one sidewall to accommodate the cell assembly in an inner space defined by the sidewall and having a cooling channel embedded in the sidewall.

公开(公告)号：US11456500B2

公开(公告)日：2022-09-27

申请号：US16461167

申请日：2018-04-13

申请人： LG CHEM, LTD.

发明人： Ho-June Chi ,  Jeong-O Mun ,  Jin-Yong Park ,  Sung-Won Seo ,  Yoon-Koo Lee

IPC分类号： H01M50/20 ,  H01M10/613 ,  H01M10/625 ,  H01M10/655

摘要： Disclosed is a battery module, which includes: a plurality of battery cells stacked side by side; a module case configured to accommodate the plurality of battery cells; a heatsink mounted to an outer side of the module case to cool the plurality of battery cells; and at least one heat transfer pad disposed in contact with the heatsink and the plurality of battery cells to penetrate the module case at least partially.

公开(公告)号：US11450913B2

公开(公告)日：2022-09-20

申请号：US16349530

申请日：2018-03-26

申请人： LG CHEM, LTD.

发明人： Sung-Won Seo ,  Jeong-O Mun ,  Yoon-Koo Lee ,  Ho-June Chi ,  Dal-Mo Kang

IPC分类号： H01M50/20 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6557 ,  H01M10/6568 ,  B60L50/60 ,  B60L58/26

摘要： A battery pack including a plurality of battery modules; a tray including an interior space where the plurality of battery modules are positioned; a plurality of beam frames traversing an upper surface of the tray to partition spaces where the plurality of battery modules are positioned; and a plurality of heatsinks having a hollow structure through which a coolant flows, wherein each heatsink is coupled to a part of a respective one of the plurality of beam frames and faces a side surface of a respective one of the plurality of battery modules, at least one drainage hole is provided at the tray and at least one drainage hole is provided at the beam frame, and the at least one drainage hole of the tray and the at least one drainage hole of the beam frame are provided below the heatsink.

公开(公告)号：US11114710B2

公开(公告)日：2021-09-07

申请号：US16622076

申请日：2019-02-18

申请人： LG Chem, Ltd.

发明人： Sung-Won Seo ,  Dal-Mo Kang ,  Jeong-O Mun ,  Yoon-Koo Lee ,  Alexander Eichhorn ,  Andreas Track

IPC分类号： H01M10/613 ,  H01M50/20 ,  H01M50/502 ,  H01M10/625 ,  H01M10/6567

摘要： A battery module includes: a plurality of battery cells; a top plate configured to cover an upper side of the battery cells; a bottom plate configured to cover a lower side of the battery cells; a pair of side plates configured to cover both side surfaces of the battery cells; a bus bar unit configured to cover a front side and a rear side of the battery cells, the bus bar being electrically connected to the battery cells; and a pair of heatsinks each having a coolant injection portion and a coolant discharge portion protruding out of the battery module. The pair of heat sinks are provided at the upper side and the lower side of the battery cells, respectively.

公开(公告)号：US10992008B2

公开(公告)日：2021-04-27

申请号：US16338420

申请日：2018-04-02

申请人： LG CHEM, LTD.

发明人： Sung-Won Seo ,  Dal-Mo Kang ,  Jeong-O Mun ,  Yoon-Koo Lee ,  Ho-June Chi

IPC分类号： H01M50/20 ,  H01M50/147

摘要： A battery including a pack housing and a plurality of battery modules accommodated in the pack housing, the pack housing has first and second sides, the first and second sides having openings, and the openings of the first side correspond to respective openings of the second side, the pack housing has a plurality of guide grooves, and each battery module is accommodated into or removed from an inner space of the pack housing through a respective opening by sliding along the guide grooves.

公开(公告)号：US10957949B2

公开(公告)日：2021-03-23

申请号：US15781569

申请日：2017-09-27

申请人： LG CHEM, LTD.

发明人： Ji-Su Yoon ,  Yoon-Koo Lee ,  Dal-Mo Kang ,  Sang-Woo Ryu ,  Jeong-O Mun ,  Sung-Won Seo

IPC分类号： H01M10/613 ,  H01M10/6557 ,  H01M2/04 ,  H01M10/04

摘要： Disclosed is a battery module, which includes: a cell assembly composed of pouch cells; a bottom plate configured to support the cell assembly and having slits formed therein at predetermined intervals so that edge portions of the pouch cells are put therein; and a side plate provided perpendicular to a plane of the bottom plate and disposed adjacent to an outermost side of the cell assembly, wherein as the edge portions of the pouch cells are put into the slits of the bottom plate, empty spaces are respectively formed between adjacent edge portions, and wherein the empty spaces are used as a cooling channel.

公开(公告)号：US20210083241A1

公开(公告)日：2021-03-18

申请号：US16759067

申请日：2019-07-03

申请人： LG Chem, Ltd.

发明人： Eun-Gyu Shin ,  Jeong-O Mun ,  Yoon-Koo Lee

IPC分类号： H01M2/10 ,  H01M2/20

摘要： A battery module includes a plurality of battery cells stacked to be electrically connected to each other, each battery cell of the plurality of battery cells having a pair of electrode leads, a plurality of cell cartridges each configured to cover a protruding portion of one of the electrode leads, and a plurality of block bus bars respectively provided to the plurality of cell cartridges and respectively electrically connected to the electrode leads, the plurality of block bus bars each having a guide coupling formed on at least one side thereof to protrude along a stacking direction of the plurality of battery cells.

公开(公告)号：US10862181B2

公开(公告)日：2020-12-08

申请号：US15770706

申请日：2017-01-16

申请人： LG CHEM, LTD.

发明人： Yoon-Koo Lee ,  Jeong-O Mun ,  Mi-Geum Choi

IPC分类号： H01M10/6557 ,  H01M2/10 ,  H01M10/613 ,  H01M10/6556 ,  H01M10/6568 ,  H01M10/647 ,  H01M10/04 ,  H01M10/625 ,  H01M10/615 ,  H01M10/663

摘要： Disclosed is a battery pack, which includes a battery cell assembly having at least one battery cell; a pack casing having an input port and an output port provided at one side thereof so that a coolant flows in and out to cool the battery cell, the pack casing accommodating the battery cell assembly to fix and support the battery cell assembly; and a coolant supply and circulation unit connected to communicate with the input port and the output port to supply and circulate the coolant into the pack casing so that each battery cell is cooled in contact with the coolant.

公开(公告)号：US12002939B2

公开(公告)日：2024-06-04

申请号：US17267948

申请日：2020-05-27

申请人： LG CHEM, LTD.

发明人： Jae-Min Yoo ,  Jeong-O Mun ,  Eun-Gyu Shin ,  Yoon-Koo Lee

IPC分类号： H01M10/613 ,  H01M10/625 ,  H01M10/6557 ,  H01M10/6568 ,  H01M50/325 ,  H01M50/35 ,  H01M50/505 ,  H01M50/507

CPC分类号： H01M10/6557 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6568 ,  H01M50/325 ,  H01M50/35 ,  H01M50/505 ,  H01M50/507 ,  H01M2220/20

摘要： A battery module reduces the risk of secondary ignition or explosion and increases durability against external impacts. The battery module includes a plurality of secondary batteries respectively having a gas venting portion for discharging a gas generated therein to the outside at a predetermined pressure and arranged in a front and rear direction in two rows; and a cooling member including a body portion interposed between two rows of the plurality of secondary batteries and having a size corresponding to left and right sides of the plurality of secondary batteries, and a gas discharge portion provided to at least one of an upper portion and a lower portion of the body portion and having a gas discharge passage elongated from a front end to a rear end of the body portion.

公开(公告)号：US11380955B2

公开(公告)日：2022-07-05

申请号：US15738376

申请日：2017-04-05

申请人： LG CHEM, LTD.

发明人： Mi-Geum Choi ,  Jeong-O Mun ,  Dal-Mo Kang ,  Yoon-Koo Lee ,  Jung-Been You ,  Dong-Yeon Kim ,  Jin-Hak Kong ,  Yong-Seok Choi

IPC分类号： H01M50/20 ,  H01M10/04 ,  B60L50/64 ,  F16F1/18 ,  F16F15/073

摘要： Disclosed is a battery module, which includes a plurality of battery cells disposed to face each other and arranged side by side at least in a first direction, a module cover configured to accommodate the plurality of battery cells and formed to have at least one open side, and a pair of buffering members located between one side of a battery cell located at an outermost side in the first direction among the plurality of battery cells and a side of the module cover so that at least a part thereof is in contact with the sides of the battery cells and the module cover, respectively, wherein the buffering member is a leaf spring having at least one bent portion.