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公开(公告)号:US20240363917A1
公开(公告)日:2024-10-31
申请号:US18625219
申请日:2024-04-03
申请人: SK On Co., Ltd.
发明人: Se Hyeon KIM , Sol San SON , Seung Hun LEE , So Yeon CHOI , Jin Su HAN
IPC分类号: H01M10/63 , B60R16/033 , H01M10/48 , H01M10/613 , H01M10/625 , H01M50/204 , H02J7/00
CPC分类号: H01M10/63 , B60R16/033 , H01M10/482 , H01M10/486 , H01M10/613 , H01M10/625 , H01M50/204 , H02J7/0013 , H02J7/0029 , H01M2220/20
摘要: A vehicle battery pack may include: a first battery portion including a first battery module; a second battery portion including a second battery module; a connector supplying power from at least one of the first battery portion and the second battery portion when no battery abnormality has occurred to a thermal management control unit; a bypass path unit providing a path to bypass any one of the first battery portion and the second battery portion when a battery abnormality has occurred; and a switching unit connecting the bypass path unit to the first or second battery portion when the battery abnormality has occurred, in a power supply circuit including the first battery portion and the second battery portion, connected to the connector, to supply power to the thermal management control unit.
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公开(公告)号:US20240363833A1
公开(公告)日:2024-10-31
申请号:US18770656
申请日:2024-07-12
申请人: SK On Co., Ltd.
发明人: Eun Jun PARK , Gwi Ok PARK , Hyo Shik KIL , In Ae LEE
IPC分类号: H01M4/134 , B82Y30/00 , H01M4/02 , H01M4/139 , H01M10/052
CPC分类号: H01M4/134 , H01M4/139 , H01M10/052 , B82Y30/00 , H01M2004/027
摘要: Provided are a negative electrode for a lithium secondary battery and a method of manufacturing the same. The negative electrode for a lithium secondary battery according to an embodiment of the present invention includes a silicon-based negative electrode active material including iron and aluminum, wherein in ICP analysis of a negative electrode active material layer including the silicon-based negative electrode active material, contents of elements in the negative electrode active material layer satisfy the following Relations (1) to (3):
A
/
(
B
2
+
C
2
)
≤
4
,
500
(
1
)
5
≤
B
≤
1
,
500
(
2
)
3
≤
C
≤
1
,
000
(
3
)
wherein A is a Li content in ppm, B is an Fe content in ppm, and C is an Al content in ppm, based on the total weight of the ICP-analyzed negative electrode active material layer.-
公开(公告)号:US20240356146A1
公开(公告)日:2024-10-24
申请号:US18627448
申请日:2024-04-05
申请人: SK On Co., Ltd.
发明人: Se Hyeon KIM
IPC分类号: H01M50/291 , H01M10/613 , H01M10/647 , H01M10/6555 , H01M10/659 , H01M50/211 , H01M50/293 , H01M50/502
CPC分类号: H01M50/291 , H01M10/613 , H01M10/647 , H01M10/6555 , H01M10/659 , H01M50/211 , H01M50/293 , H01M50/502
摘要: A battery pack including a pack housing including a beam partitioning an internal space; a plurality of battery modules including a plurality of battery cells and accommodated in each of spaces partitioned by the beam of the pack housing; and a barrier disposed in at least one an outside of the battery module and an inside of the battery module, wherein the barrier includes a barrier housing; a phase change material (PCM) inserted into an inside of the barrier housing and melting at a predetermined temperature or higher; and a discharge hole provided in the barrier housing and through which the molten phase change material is discharged, is disclosed.
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公开(公告)号:US12126200B2
公开(公告)日:2024-10-22
申请号:US18405055
申请日:2024-01-05
申请人: SK On Co., Ltd.
发明人: Chang Mook Hwang , Gyeong Min Ryu , Hyun Ji Kim , Ha Neul Song
CPC分类号: H02J7/0044 , H02J7/0013 , H02J7/0047 , H05K7/20909
摘要: The present disclosure relates to an apparatus for charging and discharging, comprising: a case; a first chamber and a second chamber positioned in the case along width direction of the case and configured to accommodate a first battery cell and a second battery cell respectively; a module chamber positioned inside the case and outside the first chamber and the second chamber; a charging/discharging module portion positioned in the module chamber and charging and discharging the first battery cell and the second battery cell; a module hole formed through one face of the case to communicate the module chamber with the outside of the case; and an air treatment portion provided inside the case to supply air to the module chamber at a temperature lower than an external temperature, which is a temperature outside the case.
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公开(公告)号:US12126043B2
公开(公告)日:2024-10-22
申请号:US17545174
申请日:2021-12-08
申请人: SK On Co., Ltd.
发明人: Ji Hoon Lim , Myeong Hwan Ma , Ju Yong Park , Ji Hoon Park
IPC分类号: H01M50/406 , H01M10/6554 , H01M50/224 , H01M50/502 , H01M50/211
CPC分类号: H01M50/406 , H01M10/6554 , H01M50/224 , H01M50/502 , H01M50/211
摘要: A method for manufacturing a lower case of a battery module includes an extrusion molding operation in which a metal material is extruded to mold a cooling plate member and a sidewall member of a battery module; a forging operation in which an internal surface of the cooling plate member is pressed with a punch, having an edge of a lower end provided vertically to form an accommodation groove; and a forming operation in which an embossed piece, protruding to an external surface of the cooling plate member by forming the accommodation groove, is removed.
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公开(公告)号:US12107256B2
公开(公告)日:2024-10-01
申请号:US18093215
申请日:2023-01-04
申请人: SK ON CO., LTD.
发明人: Sang Min Park , Tae Kyoung Lee , Sang Bok Kim , Jik Soo Kim , Sang Hye Shin , Yu Na Shim , Jeong Bae Yoon
IPC分类号: H01M4/131 , H01M4/04 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/525 , H01M10/0525
CPC分类号: H01M4/131 , H01M4/0471 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/525 , H01M10/0525
摘要: The cathode active material for a lithium secondary battery according to embodiments of the present invention includes lithium-transition metal composite oxide particles including a plurality of primary particles, and the lithium-transition metal composite oxide particles have a lithium-potassium-containing portion formed between the primary particles. Thereby, it is possible to improve life-span properties and capacity properties by preventing the layer structure deformation of the primary particles and removing residual lithium.
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公开(公告)号:US20240322357A1
公开(公告)日:2024-09-26
申请号:US18607689
申请日:2024-03-18
申请人: SK On Co., Ltd.
发明人: Se Hyeon KIM
IPC分类号: H01M50/367 , H01M50/186 , H01M50/204 , H01M50/289 , H01M50/342
CPC分类号: H01M50/367 , H01M50/3425 , H01M50/186 , H01M50/204 , H01M50/289
摘要: A battery pack is provided, the battery pack including: a plurality of battery modules including a cell assembly in which a plurality of battery cells are assembled and a protective cover on which the cell assembly is seated and in which a venting hole is formed; a pack case protecting the plurality of battery modules from the outside; a protective sheet disposed to face the venting hole, and configured to have a hole formed in at least a portion of the protective sheet by gas discharged from the cell assembly; and a venting guide member having an internal space, and contacting the protective sheet, wherein the venting guide member includes an exhaust portion formed on one surface in contact with the protective sheet, and the gas discharged from the cell assembly moves to the internal space of the venting guide member, passing through the protective sheet and the exhaust portion.
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公开(公告)号:US20240313195A1
公开(公告)日:2024-09-19
申请号:US18405497
申请日:2024-01-05
申请人: SK On Co., Ltd.
发明人: Kwang Ho JEONG , Seung Deok SEO
CPC分类号: H01M4/364 , H01M4/133 , H01M4/136 , H01M4/483 , H01M4/587 , H01M4/622 , H01M10/0525 , H01M2004/021 , H01M2004/027
摘要: Provided is an anode for a lithium secondary battery and a lithium secondary battery including the same, the anode for a secondary battery including: an anode current collector; a first anode mixture layer disposed on at least one surface of the anode current collector, and including a first silicon-based anode active material; and a second anode mixture layer disposed on the first anode mixture layer, and including a second silicon-based anode active material, wherein the second silicon-based anode active material has a higher discharge capacity than the first silicon-based anode active material.
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公开(公告)号:US20240297414A1
公开(公告)日:2024-09-05
申请号:US18590949
申请日:2024-02-29
申请人: SK On Co., Ltd.
发明人: Deok Ho NAM , Ye Eun KIM , Yun Joo NOH , Jun Seo YOON
IPC分类号: H01M50/507 , H01M10/48 , H01M50/211
CPC分类号: H01M50/507 , H01M10/482 , H01M50/211
摘要: The present disclosure relates to a cell stacking assembly and a battery module including the same, the cell stacking assembly including: a plurality of battery cells stacked along a preset stacking direction and each including a first lead tab portion and a second lead tab portion; a first busbar electrically connected each of the first lead tab portions; a first busbar frame coupled with the first busbar to support the first busbar; a second busbar electrically connected each of the second lead tab portions; a second busbar frame coupled with the second busbar to support the second busbar; a first protrusion protruding from the first busbar frame and inserted into a first insertion hole positioned on the first busbar; and a second protrusion protruding from the second busbar frame and inserted into a second insertion hole positioned on the second busbar.
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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.
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