公开(公告)号：US20240322280A1

公开(公告)日：2024-09-26

申请号：US18418490

申请日：2024-01-22

申请人： SK On Co., Ltd.

发明人： Jae Sik SHIN ,  Bo Kyung KO ,  Do Il PARK ,  Seung Hoon JU

IPC分类号： H01M10/54 ,  C22B1/00

CPC分类号： H01M10/54 ,  C22B1/005

摘要： Battery cutting devices are disclosed. In an implementation, a battery cutting device can cut a case of a secondary battery in a longitudinal direction, a thickness direction, and a width direction. The battery cutting device includes a jig unit fixing the secondary battery and a cutter unit cutting the secondary battery.

公开(公告)号：US12100797B2

公开(公告)日：2024-09-24

申请号：US17375604

申请日：2021-07-14

申请人： SK INNOVATION CO., LTD.

发明人： Hee-Gyoung Kang

IPC分类号： H01M10/04 ,  H01M50/105 ,  H01M50/119

CPC分类号： H01M10/0431 ,  H01M50/105 ,  H01M50/119

摘要： Disclosed are a secondary battery and a method for manufacturing the same. According to an embodiment of the present invention, there is provided a secondary battery, including: an exterior material which includes a pouch film and a sealing portion formed at an outer side of the pouch film; and an electrode assembly which includes a plurality of electrode bodies laminated with a separator interposed therebetween and are packaged by the exterior material, wherein a pair of forming portions are formed within the pouch film to house the electrode assembly, and a predetermined interval is formed between the pair of forming portions.

公开(公告)号：US20240304804A1

公开(公告)日：2024-09-12

申请号：US18670051

申请日：2024-05-21

申请人： SK On Co., Ltd.

发明人： Sang Han Lee ,  Sang Wook Lee ,  Byoung Beom Lim ,  Yong Hyun Cho

IPC分类号： H01M4/505 ,  C01G53/00 ,  H01M4/02 ,  H01M4/131 ,  H01M4/525

CPC分类号： H01M4/505 ,  C01G53/50 ,  H01M4/131 ,  H01M4/525 ,  C01P2002/52 ,  C01P2002/60 ,  C01P2002/74 ,  C01P2006/40 ,  H01M2004/021 ,  H01M2004/028

摘要： A positive electrode active material according to an Example of the present invention may comprise a lithium layer doped with a first doping element and a transition metal layer doped with a second doping element, wherein an I(003)/I(006) peak intensity ratio in X-ray diffraction measurement is equal to or less than 23.8.

公开(公告)号：US12087929B2

公开(公告)日：2024-09-10

申请号：US18465180

申请日：2023-09-12

申请人： SK ON CO., LTD.

发明人： Hae Ryong Jeon ,  Sun Mo An ,  Ha Chul Jeong

IPC分类号： H01M10/6551 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6554 ,  H01M10/6556 ,  H01M50/184 ,  H01M50/211 ,  H01M50/222 ,  H01M50/24

CPC分类号： H01M10/6551 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6554 ,  H01M10/6556 ,  H01M50/184 ,  H01M50/211 ,  H01M50/222 ,  H01M50/24

摘要： A battery module, includes: a battery cell stack in which a plurality of battery cells are stacked; a first heat dissipation member disposed on one side of the cell stack; a second heat dissipation member disposed on the other side of the cell stack; and a blocking member providing a plurality of insulation spaces in which the battery cells are disposed, the blocking member surrounding at least one surface of each of the battery cells; wherein the plurality of the battery cells, include a first battery cell having a surface contacting the first heat dissipation member; and a second battery cell having a surface contacting the second heat dissipation member.

公开(公告)号：US20240291092A1

公开(公告)日：2024-08-29

申请号：US18659017

申请日：2024-05-09

申请人： SK On Co., Ltd.

发明人： Ho Yeon KIM ,  Sang Tae AN ,  Hwa Kyoo YOON ,  Gang U LEE ,  Young Sun CHOI ,  Jeong Woo HAN

IPC分类号： H01M50/249 ,  H01M50/204 ,  H01M50/264 ,  H01M50/291

CPC分类号： H01M50/249 ,  H01M50/204 ,  H01M50/264 ,  H01M50/291 ,  H01M2220/20

摘要： An eco-friendly power source such as a battery module is provided for a transportation vehicle, including: a first sub-module and a second sub-module respectively including a cell stack in which a plurality of battery cells are stacked; and a central wall disposed between the first sub-module and the second sub-module, wherein the central wall includes a first central wall facing the first sub-module and a second central wall facing the second sub-module, wherein the first central wall has a rotationary symmetrical shape of the second central wall around a first axis.

公开(公告)号：US20240290933A1

公开(公告)日：2024-08-29

申请号：US18443890

申请日：2024-02-16

申请人： SK On Co., Ltd.

发明人： Jae Young JUNG ,  Woo Yeon CHO

IPC分类号： H01M4/04 ,  B26D7/14

CPC分类号： H01M4/04 ,  B26D7/14

摘要： The present disclosure relates to an apparatus for manufacturing an electrode, including: an inflow region where an electrode plate flows in; an outflow region where an electrode plate is cut into a preset size and flows out; a first cutter including a first cutting surface extending side by side along a movement direction of the electrode plate moving from the inflow region to the outflow region and an obliqued surface extending obliquely from one edge of the first cutting surface in a direction away from the electrode plate; and a second cutter supporting the electrode plate, wherein the first cutter moves along a direction in which the second cutter is positioned to pressurize the electrode plate to the first cutting surface.

公开(公告)号：US12074334B2

公开(公告)日：2024-08-27

申请号：US18363743

申请日：2023-08-02

申请人： SK On Co., Ltd.

发明人： Seung Hun Lee ,  Seo Roh Rhee

IPC分类号： H01M50/209 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6554 ,  H01M50/244 ,  H01M50/264 ,  H01M50/507

CPC分类号： H01M50/209 ,  H01M10/613 ,  H01M10/647 ,  H01M10/6554 ,  H01M50/244 ,  H01M50/264 ,  H01M50/507

摘要： A battery pack, may include: a plurality of cell stacks including a plurality of battery cells; a pack housing accommodating the plurality of cell stacks; a fixing bracket disposed between the plurality of cell stacks and the pack housing and between the plurality of cell stacks; and a fastening member fastening the fixing bracket to the pack housing, wherein the fixing bracket may be disposed to contact the plurality of battery cells on an upper side of the plurality of cell stacks.

公开(公告)号：US20240274918A1

公开(公告)日：2024-08-15

申请号：US18442094

申请日：2024-02-15

申请人： SK On Co., Ltd.

发明人： Young Hoon YUN

IPC分类号： H01M10/6551 ,  H01M10/613 ,  H01M10/653 ,  H01M50/105 ,  H01M50/211

CPC分类号： H01M10/6551 ,  H01M10/613 ,  H01M10/653 ,  H01M50/105 ,  H01M50/211

摘要： The present invention relates to a battery cell in which a cooling sheet is built in a unit cell to directly cool an electrode assembly inside the cell, and a battery module including the same. A battery cell according to an embodiment of the present disclosure, comprising: a case; an electrode assembly accommodated inside the case; and a cooling sheet including a cooling sheet main body and an extension extending from the cooling sheet main body, wherein the cooling sheet main body is accommodated inside the case and is in direct contact with the electrode assembly, and the extension of the cooling sheet is configured to protrude to an outside of the case.

公开(公告)号：US20240274800A1

公开(公告)日：2024-08-15

申请号：US18431104

申请日：2024-02-02

申请人： SK On Co., Ltd.

发明人： Hyo Mi KIM ,  Moon Sung KIM ,  Sang Baek RYU ,  Seung Hyun YOOK ,  Hwan Ho JANG ,  Da Bin CHUNG ,  Jun Hee HAN ,  Da Hye PARK ,  Sang In BANG

IPC分类号： H01M4/36 ,  B82Y30/00 ,  H01M4/02 ,  H01M4/38 ,  H01M4/583 ,  H01M4/62 ,  H01M10/052

CPC分类号： H01M4/366 ,  B82Y30/00 ,  H01M4/386 ,  H01M4/583 ,  H01M4/625 ,  H01M10/052 ,  H01M2004/027

摘要： An anode for a secondary battery is disclosed. In some implementations, the anode includes an anode current collector, a first anode mixture layer on at least one surface of the anode current collector, and a second anode mixture layer on the first anode mixture layer. The first anode mixture layer includes a first silicon-based active material including a carbon coating layer formed on a surface thereof, and a first conductive material. The second anode mixture layer includes a second silicon-based active material doped with a metal, and a second conductive material. The first conductive material has a Raman R value, greater than or equal to a Raman R value of the second conductive material. According to some implementations, volume expansion/contraction of a silicon-based active material may be alleviated during battery charging/discharging.

公开(公告)号：US12062784B2

公开(公告)日：2024-08-13

申请号：US17361427

申请日：2021-06-29

申请人： SK On Co., Ltd.

发明人： Hyo Mi Kim ,  Yong Seok Lee

IPC分类号： H01M4/38 ,  H01M4/58 ,  H01M4/583 ,  H01M4/587 ,  H01M4/62 ,  H01M4/64 ,  H01M10/02 ,  H01M10/0525 ,  H01M4/02

CPC分类号： H01M4/386 ,  H01M4/583 ,  H01M4/587 ,  H01M4/625 ,  H01M4/64 ,  H01M10/02 ,  H01M10/0525 ,  H01M2004/027

摘要： Provided are a negative electrode for a lithium secondary negative electrode battery including: a current collector; a first negative electrode active material layer disposed on the current collector and including a silicon-based active material, a first graphite-based active material, and a linear conductive material; and a second negative electrode active material layer disposed on the first negative electrode active material layer and including a second graphite-based active material. The first graphite-based active material has a carbon coating layer on at least a part of a surface. Also provided is a lithium secondary battery including the negative electrode.