公开(公告)号：US20240063513A1

公开(公告)日：2024-02-22

申请号：US18363051

申请日：2023-08-01

申请人： SK On Co., Ltd.

发明人： Hoemin CHEONG ,  Seul Gi LEE ,  Hyeong Won KIM ,  Ki Dong LEE

IPC分类号： H01M50/507 ,  H01M50/516 ,  H01M50/211

CPC分类号： H01M50/507 ,  H01M50/516 ,  H01M50/211

摘要： The busbar assembly of the present disclosure comprises a busbar plate electrically connected to electrode tabs of a plurality of battery cells; a busbar terminal electrically connected to an external device; and a welding portion electrically connecting the busbar plate and the busbar terminal with each other, wherein the welding portion is formed by butt welding between the busbar plate and the busbar terminal.

公开(公告)号：US20240162573A1

公开(公告)日：2024-05-16

申请号：US18506135

申请日：2023-11-10

申请人： SK On Co., Ltd.

发明人： Hoemin CHEONG ,  Jae Hun KIM ,  Hyeong Won KIM ,  Sung Chel YOON ,  Ki Dong LEE

IPC分类号： H01M50/516 ,  B23K31/12 ,  H01M50/211 ,  H01M50/503 ,  H01M50/522 ,  H01M50/562

CPC分类号： H01M50/516 ,  B23K31/125 ,  H01M50/211 ,  H01M50/503 ,  H01M50/522 ,  H01M50/562 ,  B23K2101/36

摘要： Provided is a secondary battery module including: plurality of battery cells including electrode tabs; and bus bar connected to the plurality of electrode tabs so that the plurality of battery cells are electrically connected to each other, wherein the bus bar includes plate having plurality of holes formed therein, each of the electrode tabs is inserted into at least part of the plurality of holes of the plate, the electrode tab inserted into the hole and the plate are joined by a weld bead, one or more of the weld beads are included, and the weld bead has concentration deviation (ΔC) satisfying the following Equation:


Concentration deviation (ΔC)

公开(公告)号：US20240283105A1

公开(公告)日：2024-08-22

申请号：US18434826

申请日：2024-02-07

申请人： SK On Co., Ltd.

发明人： Jae Hun KIM ,  Tae Hyun KIM ,  Hyeong Won KIM ,  Ki Dong LEE

IPC分类号： H01M50/534 ,  H01M50/505 ,  H01M50/516

CPC分类号： H01M50/534 ,  H01M50/505 ,  H01M50/516

摘要： A battery module manufacturing method according to an embodiment of the present disclosure comprises a step of inserting each of electrode tabs of a plurality of battery cells into a plurality of holes included in a bus bar; and a step of bonding the electrode tabs to the bus bar by irradiating laser under feeding of a wire, wherein the bus bar may electrically connect the electrode tabs of the plurality of battery cells to each other.

公开(公告)号：US20240283103A1

公开(公告)日：2024-08-22

申请号：US18415661

申请日：2024-01-18

申请人： SK ON CO., LTD.

发明人： Jae Hun KIM ,  Hyeong Won KIM ,  Sung Chel YOON ,  Ki Dong LEE

IPC分类号： H01M50/533 ,  H01M50/507 ,  H01M50/54

CPC分类号： H01M50/533 ,  H01M50/507 ,  H01M50/54

摘要： The present disclosure relates to a battery module comprising: an electrode assembly capable of storing and supplying electrical energy; a battery exterior material accommodating the electrode assembly therein; a first tab portion electrically connected to the electrode assembly and protruding out of the battery exterior material along a first direction; a second tab portion extending along a first direction in which the first tab portion protrudes from a free end of the first tab portion and provided with a different length from a predetermined length of the first tab portion, based on a second direction perpendicular to a surface provided with the largest area among surfaces of the battery exterior material disposed along the first direction; and a bus bar assembly surrounding the second tab portion and electrically connected to the electrode assembly.

公开(公告)号：US20240243399A1

公开(公告)日：2024-07-18

申请号：US18412737

申请日：2024-01-15

申请人： SK On Co., Ltd.

发明人： Hoemin CHEONG ,  Hyeong Won KIM ,  Sung Chel YOON ,  Ki Dong LEE ,  Ji Hun KIM ,  Hyeon Jeong YOU

IPC分类号： H01M50/169 ,  B23K26/24 ,  B23K101/36 ,  B23K103/10 ,  H01M50/103

CPC分类号： H01M50/169 ,  B23K26/24 ,  H01M50/103 ,  B23K2101/36 ,  B23K2103/10

摘要： Provided is a fabrication method of a battery module case accommodating a battery cell, the method including: operation (a) of inputting a first base material member and a second base material member included in the case which accommodates the battery cell therein; operation (b) of performing a surface treatment by emitting a laser to a surface region including a joining region formed by contacting the first base material member and the second base material member with each other; and operation (c) of forming a weld joint by emitting the laser to the joining region, thus increasing a recognition rate in operating an auto position alignment (APA) function regardless of a surface condition of the base material of the battery module case.

公开(公告)号：US20240283110A1

公开(公告)日：2024-08-22

申请号：US18415647

申请日：2024-01-18

申请人： SK On Co., Ltd.

发明人： Jae Hun KIM ,  Hyeong Won KIM ,  Sung Chel YOON ,  Ki Dong LEE

IPC分类号： H01M50/553 ,  H01M50/178 ,  H01M50/211 ,  H01M50/505 ,  H01M50/516

CPC分类号： H01M50/553 ,  H01M50/178 ,  H01M50/211 ,  H01M50/505 ,  H01M50/516

摘要： The present disclosure relates to a battery module including: an electrode assembly capable of storing and supplying electrical energy; a battery exterior material of a hexahedral shape accommodating the electrode assembly therein; a first tab portion that is electrically connected to the electrode assembly and that protrudes to an outside of the battery exterior material; and a second tab portion that extends in the first direction from a free end of the first tab portion and that is provided with a different length from a predetermined length of the first tab portion, based on a second direction in parallel with a shortest edge of the battery exterior material among direction perpendicular to the first direction; and a bus bar assembly positioned between the battery exterior material and the second tab portion to be electrically connected to the electrode assembly.

公开(公告)号：US20240238902A1

公开(公告)日：2024-07-18

申请号：US18411583

申请日：2024-01-12

申请人： SK On Co., Ltd.

发明人： Hoemin CHEONG ,  Hyeong Won KIM ,  Sung Chel YOON ,  Ki Dong LEE ,  Ji Hun KIM ,  Hyeon Jeong YOU

IPC分类号： B23K26/26 ,  B23K101/36 ,  B23K103/10 ,  H01M50/119

CPC分类号： B23K26/26 ,  H01M50/119 ,  B23K2101/36 ,  B23K2103/10

摘要： Provided is a battery module including: A battery module comprising: a plurality of battery cells; a housing accommodating the plurality of battery cells therein, wherein the housing includes a first base material member and a second base material member, the first base material member and the second base material member are in contact with each other to form a joining region, a weld joint is formed in the joining region by welding, and a surface treatment region is formed in the joining region by laser emission, thus increasing an accuracy of a welding position between the base materials, which results in an increased welding process ability and an improved welding quality of the module.

公开(公告)号：US20240221142A1

公开(公告)日：2024-07-04

申请号：US18540123

申请日：2023-12-14

申请人： SK On Co., Ltd

发明人： Hyeong Won KIM ,  Jae Hun KIM ,  Hyeon Jeong YOU ,  Ki Dong LEE

IPC分类号： G06T7/00 ,  G01N21/88 ,  G06T7/50 ,  G06V10/764 ,  G06V10/77 ,  G06V10/774 ,  G06V20/50

CPC分类号： G06T7/0004 ,  G01N21/8851 ,  G06T7/50 ,  G06V10/764 ,  G06V10/7715 ,  G06V10/774 ,  G06V20/50 ,  G06T2207/20081 ,  G06V10/82

摘要： An apparatus for predicting weld quality includes an image sensor acquiring an image of a welding portion of a workpiece, a storage storing a shape detection model, a depth prediction model and a strength prediction model, and a controller configured to acquire shapes of a melt pool and a keyhole by receiving the image and inputting the image to the shape detection model, acquire a penetration depth of the keyhole by inputting the shapes of the melt pool and the keyhole to the depth prediction model, and acquire a tensile strength by inputting one of the shape of the melt pool, the shape of the keyhole and the shapes of the melt pool and the keyhole and the penetration depth of the keyhole to the strength prediction model. The weld quality of all products may be predicted during a welding process.