公开(公告)号：US20230344086A1

公开(公告)日：2023-10-26

申请号：US17959825

申请日：2022-10-04

申请人： SK ON CO., LTD.

发明人： Tak Kyung YOO ,  Yang Kyu CHOI ,  Ji San KIM ,  Seo Roh RHEE

IPC分类号： H01M50/503 ,  H01M50/211 ,  H01M50/271

CPC分类号： H01M50/503 ,  H01M50/211 ,  H01M50/271

摘要： A battery module including a cell stack including a plurality of battery cells that are stacked on top of one another, the plurality of battery cells including electrode leads, at least one bus bar structured to provide a plurality of through-slits into which the electrode leads are inserted, and a bus bar frame coupled to the at least one bus bar, the bus bar frame having a plurality of through-holes in which the electrode leads are disposed. Each of the through-slits may include a first guide portion structured to include a first space wider than a width of a corresponding through-slit for a corresponding electrode lead to be inserted toward the through-slit, and the bus bar frame may include a second guide portion structured to include a second space that extends from the first space and has a width wider than the first space.

公开(公告)号：US20240120594A1

公开(公告)日：2024-04-11

申请号：US17982599

申请日：2022-11-08

申请人： SK On Co., Ltd.

发明人： Seo Roh RHEE ,  Ji San KIM ,  Chi Min PARK ,  Tak Kyung YOO

IPC分类号： H01M50/24 ,  C09J7/38 ,  C09J11/04 ,  C09J11/06 ,  H01M50/293

CPC分类号： H01M50/24 ,  C09J7/387 ,  C09J11/04 ,  C09J11/06 ,  H01M50/293 ,  C09J2203/33 ,  C09J2301/408 ,  C09J2453/00 ,  C09J2491/00 ,  C09J2493/00

摘要： A battery cell stack of the present invention includes a plurality of battery cells and a resin layer wholly or partially in contact with an outer surface of at least one of the plurality of battery cells, wherein the resin layer includes a solvent-free adhesive and a flame retardant, and has a peel strength of 1,000 gf/in to 3,000 gf/in measured according to ASTM D3330, and a shear strength of 20 kgf/sq-in to 100 kgf/sq-in measured according to ASTM D1002, and the flame retardant includes one or more of a phosphorus-based flame retardant and a nitrogen-based flame retardant, such that the operational stability and flame retardancy may be simultaneously improved, while simplifying materials and processes necessary to manufacture the battery cell stack.

公开(公告)号：US20240170762A1

公开(公告)日：2024-05-23

申请号：US18299062

申请日：2023-04-12

申请人： SK ON CO., LTD.

发明人： Ji San KIM ,  Hae Ryong JEON

IPC分类号： H01M10/6555 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204 ,  H01M50/242 ,  H01M50/262

CPC分类号： H01M10/6555 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204 ,  H01M50/242 ,  H01M50/262 ,  H01M2220/20

摘要： A cartridge type secondary battery module includes a plurality of secondary battery cells; and a cartridge comprising an accommodating portion in which the plurality of secondary battery cells are accommodated, a cooling plate in contact with at least one of the secondary battery cells, and a blocking member in contact with at least one of the secondary battery cells, wherein the accommodating portion comprises at least one open surface.

公开(公告)号：US20240072328A1

公开(公告)日：2024-02-29

申请号：US18239222

申请日：2023-08-29

申请人： SK On Co., Ltd.

发明人： Jeong Woo HAN ,  Ji San KIM ,  Bon Seok KU ,  Hae Ryong JEON

IPC分类号： H01M10/653 ,  H01M10/613 ,  H01M10/647 ,  H01M10/658

CPC分类号： H01M10/653 ,  H01M10/613 ,  H01M10/647 ,  H01M10/658

摘要： The present disclosure relates to a heat transfer member capable of preventing propagation of thermal runaway and a battery module including the same, and more particularly, to a heat transfer member capable of preventing propagation of thermal runaway in which heat or flame is propagated due to ignition or the like of at least one battery cell in a battery module, and a battery module including the same. According to the present embodiment, a heat transfer member provided in contact with a cooling member in a battery module or a stack composed of a plurality of battery cells includes a thermally expandable material having a thermal expansion initiation temperature of 90 to 150° C.

公开(公告)号：US20230378620A1

公开(公告)日：2023-11-23

申请号：US18316232

申请日：2023-05-12

申请人： SK On Co., Ltd.

发明人： Seo Roh RHEE ,  Ji San KIM ,  Tak Kyung YOO ,  Chang Mook HWANG

IPC分类号： H01M50/533 ,  H01M50/105 ,  H01M50/188 ,  H01M50/178 ,  H01M50/507 ,  H01M50/211

CPC分类号： H01M50/533 ,  H01M50/105 ,  H01M50/188 ,  H01M50/178 ,  H01M50/507 ,  H01M50/211

摘要： A pouch-type battery cell includes an electrode assembly formed by stacking a plurality of electrode plates, a pouch having an electrode accommodating portion accommodating the electrode assembly therein and a sealing portion sealing at least a portion of a circumference of the electrode accommodating portion, and electrode leads electrically connected to the electrode assembly and exposed to an outside of the pouch through the sealing portion. The electrode leads are exposed to the outside of the pouch through a first sealing portion formed at a corner of the pouch among the sealing portion.

公开(公告)号：US20230147796A1

公开(公告)日：2023-05-11

申请号：US17982603

申请日：2022-11-08

申请人： SK On Co., Ltd.

发明人： Seo Roh RHEE ,  Ji San KIM ,  Chi Min PARK ,  Tak Kyung YOO

IPC分类号： H01M50/264 ,  C09J5/00 ,  C09J7/38 ,  C09J7/10 ,  H01M50/211

CPC分类号： H01M50/264 ,  C09J5/00 ,  C09J7/383 ,  C09J7/10 ,  H01M50/211 ,  C09J2301/302 ,  C09J2203/33 ,  C09J2301/414 ,  C09J2423/04 ,  C09J2431/00 ,  C09J2477/00 ,  C09J2467/00 ,  C09J2475/00 ,  C09J2425/00 ,  C09J2421/00 ,  C09J2301/408

摘要： A method for manufacturing a battery cell stack according to exemplary embodiments of the present invention includes an application step of spraying an adhesive resin composition on one surface of a battery cell in one direction by a plurality of nozzles, wherein the nozzles are disposed in a direction different from the one direction, and at least two nozzles of the plurality of nozzles apply the adhesive resin composition in amounts different from each other. Thereby, the adhesive resin composition is applied to one surface of a non-flat battery cell, and the application amount is controlled according to portions to be applied, so that the one surface may bring into contact with another surface of another battery cell adhered thereon over an entire area in which the adhesive resin composition is applied.

公开(公告)号：US20240363952A1

公开(公告)日：2024-10-31

申请号：US18645002

申请日：2024-04-24

申请人： SK ON CO., LTD.

发明人： Ji San KIM ,  Yun Kyung MIN ,  Seo Roh RHEE ,  Jong Chan LEE

IPC分类号： H01M50/293 ,  H01M10/653 ,  H01M50/211 ,  H01M50/242

CPC分类号： H01M50/293 ,  H01M10/653 ,  H01M50/211 ,  H01M50/242

摘要： Provided is a battery assembly including: a battery housing; a battery cell assembly including a plurality of battery cells which are stacked and placed in the housing and are electrically connected; and a heat dissipation resin layer, and the battery assembly has minimized cell damage due to a swelling phenomenon occurring in a battery cell and an improved module life by controlling the physical properties of the low-hardness heat dissipation resin layer.

公开(公告)号：US20240170760A1

公开(公告)日：2024-05-23

申请号：US18299064

申请日：2023-04-12

申请人： SK On Co., Ltd.

发明人： Ji San KIM ,  Hae Ryong JEON

IPC分类号： H01M10/6554 ,  H01M10/04 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204 ,  H01M50/262

CPC分类号： H01M10/6554 ,  H01M10/0481 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204 ,  H01M50/262 ,  H01M2220/20

摘要： A cartridge for a secondary battery in accordance with an embodiment of the present disclosure includes a cell accommodating case comprising a cooling plate and an outer frame formed along an outer edge of the cooling plate; and a coupling portion connected to the cell accommodating case and having a coupling hole through which a bolt, when inserted therethrough, passes in a direction in which the cell accommodating case is stacked, wherein the coupling portion may include a first communication hole formed in a direction different from the direction in which the bolt passes.

公开(公告)号：US20230143120A1

公开(公告)日：2023-05-11

申请号：US17982593

申请日：2022-11-08

申请人： SK On Co., Ltd.

发明人： Seo Roh RHEE ,  Ji San KIM ,  Chi Min PARK ,  Tak Kyung YOO

IPC分类号： H01M50/293 ,  H01M10/658

CPC分类号： H01M50/293 ,  H01M10/658

摘要： A battery cell stack of the present invention includes a plurality of battery cells and a resin layer wholly or partially in contact with an outer surface of at least one of the plurality of battery cells, wherein the resin layer includes a solvent-free adhesive, and has specific peel strength and shear strength, such that the resin layer may be applied by a spray coating, and thereby improving structural stability and reliability of the battery cell stack, while simplifying materials and processes necessary to manufacture the battery cell stack.