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1. 发明公开

US20240162501A1 CYLINDRICAL SECONDARY BATTERY 审中-公开
公开(公告)号：US20240162501A1
公开(公告)日：2024-05-16
申请号：US18478751
申请日：2023-09-29
申请人： Samsung SDI Co., Ltd.
发明人： Joo Youn SHIN , Jung Hyun PARK , Jung Hyun KIM , Joung Ku KIM
IPC分类号： H01M10/0587 , H01M50/107 , H01M50/152 , H01M50/179 , H01M50/533 , H01M50/538
CPC分类号： H01M10/0587 , H01M50/107 , H01M50/152 , H01M50/179 , H01M50/533 , H01M50/538
摘要： A cylindrical secondary battery includes: an electrode assembly including a first electrode plate, a separator, and a second electrode plate; a center pin extending along a winding axis of the electrode assembly, the center pin including an insulating material and having a flange on at least one of an upper end and a lower end thereof; a case accommodating the electrode assembly and the center pin; a terminal extending through an upper end of the case and electrically connected to the first electrode plate of the electrode assembly; and a cap plate sealing a lower end of the case.

2. 发明公开

US20240274924A1 CYLINDRICAL SECONDARY BATTERY 审中-公开
公开(公告)号：US20240274924A1
公开(公告)日：2024-08-15
申请号：US18648305
申请日：2024-04-26
申请人： Samsung SDI Co., Ltd.
发明人： Jung Hyun PARK , Joo Youn SHIN , Joung Ku KIM , Jung Hyun KIM , Dong Sub LEE
IPC分类号： H01M50/107 , H01M10/0585 , H01M10/0587 , H01M50/152 , H01M50/533 , H01M50/536 , H01M50/543
CPC分类号： H01M50/107 , H01M10/0585 , H01M10/0587 , H01M50/152 , H01M50/533 , H01M50/536 , H01M50/543
摘要： A cylindrical secondary battery includes: an electrode assembly including a positive electrode plate having a positive electrode multi-tab, a separator, and a negative electrode plate having a negative electrode multi-tab, the positive electrode plate, the separator, and the negative electrode plate being laminated and wound; a cylindrical can accommodating the electrode assembly; a cap plate coupled at an upper end of the cylindrical can and being electrically connected to the negative electrode multi-tab; and a positive electrode terminal protruding upwardly through the cap plate and being electrically connected to the positive electrode multi-tab.

3. 发明公开

US20240234784A1 PROCESSING APPARATUS FOR ELECTRODE ASSEMBLY OF SECONDARY BATTERY 审中-公开
公开(公告)号：US20240234784A1
公开(公告)日：2024-07-11
申请号：US18405847
申请日：2024-01-05
申请人： Samsung SDI Co., Ltd. , FITO Co., Ltd.
发明人： Jung Hyun KIM , Joo Youn SHIN , Jung Hyun PARK , Joung Ku KIM , Dong Sub LEE , Seog Jin CHO
IPC分类号： H01M10/04
CPC分类号： H01M10/0409
摘要： A processing apparatus for a base material tab protruding from a cylindrical electrode assembly includes: a vertical plate arranged in a second direction perpendicular to a first direction, the first direction being a longitudinal direction of the electrode assembly; a rotatable plate that is a planar plate arranged parallel to the vertical plate and coupled to be rotatable relative to the vertical plate; and a plurality of blades coupled between the vertical plate and the rotatable plate. The blades together form a variable diameter central area defined by ends of the blades according to the relative rotation of the rotatable plate to process the base material tab of the electrode assembly.

4. 发明公开

US20240222707A1 SECONDARY BATTERY 审中-公开
公开(公告)号：US20240222707A1
公开(公告)日：2024-07-04
申请号：US18487804
申请日：2023-10-16
申请人： Samsung SDI Co., Ltd.
发明人： Jung Hyun PARK , Jung Hyun KIM , Joo Youn SHIN , Joung Ku KIM
IPC分类号： H01M10/0587 , H01M4/13 , H01M50/107 , H01M50/152 , H01M50/188 , H01M50/533 , H01M50/536 , H01M50/545 , H01M50/559 , H01M50/583
CPC分类号： H01M10/0587 , H01M4/13 , H01M50/107 , H01M50/152 , H01M50/188 , H01M50/533 , H01M50/536 , H01M50/545 , H01M50/559 , H01M50/583 , H01M2200/103
摘要： A secondary battery includes an electrode assembly which is wound and includes a first electrode plate including a first uncoated portion, a second electrode plate including a second uncoated portion, and a separator between the first electrode plate and the second electrode plate, a case having a cylindrical shape and accommodating the electrode assembly, and a cap assembly sealing the case, and a cutting depth before winding of each of the first uncoated portion and the second uncoated portion is in a range of 100% to 150% as compared with a forming position. When a non-coated portion for forming a substrate tab is cut, a cutting width is changed to increase toward a winding end, thereby minimizing or reducing an overlapping amount between substrates during winding, and damage to the substrate during pre-folding or compaction of the substrate may be prevented or substantially prevented.

5. 发明公开

US20240072294A1 CYLINDRICAL SECONDARY BATTERY AND MANUFACTURING METHOD OF SECONDARY BATTERY 审中-公开
公开(公告)号：US20240072294A1
公开(公告)日：2024-02-29
申请号：US18450901
申请日：2023-08-16
申请人： Samsung SDI Co., Ltd.
发明人： Jung Hyun KIM , Joung Ku KIM , Byung Kyu PARK , Jung Hyun PARK , Joo Youn SHIN , Gye Won LEE , Dong Sub LEE , Hyun Ki JUNG
IPC分类号： H01M10/04 , B23K31/02 , H01M50/107 , H01M50/536
CPC分类号： H01M10/0431 , B23K31/02 , H01M10/0422 , H01M10/049 , H01M50/107 , H01M50/536
摘要： A cylindrical secondary battery and a manufacturing method of a secondary battery are provided. A manufacturing method of a cylindrical secondary battery includes: winding an electrode assembly to expose a first electrode uncoated portion and a second electrode uncoated portion to opposite ends in a longitudinal direction; bending at least some portions of the first electrode uncoated portion and the second electrode uncoated portion of the electrode assembly in a direction by pressing the first electrode uncoated portion and the second electrode uncoated portion; welding electrode collector plates to ends of the bent first and second electrode uncoated portions; and inserting and sealing the electrode assembly into a cylindrical case.

6. 发明公开

US20230238615A1 CYLINDRICAL SECONDARY BATTERY 审中-公开
公开(公告)号：US20230238615A1
公开(公告)日：2023-07-27
申请号：US18145431
申请日：2022-12-22
申请人： Samsung SDI Co., Ltd.
发明人： Jung Hyun PARK , Joo Youn SHIN , Joung Ku KIM , Jung Hyun KIM , Dong Sub LEE
IPC分类号： H01M50/107 , H01M50/152 , H01M50/543 , H01M50/536 , H01M50/533 , H01M10/0587 , H01M10/0585
CPC分类号： H01M50/107 , H01M50/152 , H01M50/543 , H01M50/536 , H01M50/533 , H01M10/0587 , H01M10/0585
摘要： A cylindrical secondary battery includes: an electrode assembly including a positive electrode plate having a positive electrode multi-tab, a separator, and a negative electrode plate having a negative electrode multi-tab, the positive electrode plate, the separator, and the negative electrode plate being laminated and wound; a cylindrical can accommodating the electrode assembly; a cap plate coupled at an upper end of the cylindrical can and being electrically connected to the negative electrode multi-tab; and a positive electrode terminal protruding upwardly through the cap plate and being electrically connected to the positive electrode multi-tab.

7. 发明公开

US20230187707A1 SECONDARY BATTERY 审中-公开
公开(公告)号：US20230187707A1
公开(公告)日：2023-06-15
申请号：US17997207
申请日：2021-06-23
申请人： Samsung SDI Co., Ltd.
发明人： Won Ik LEE , Gun Gue PARK , In Young JANG , Jung Hyun PARK , Joo Youn SHIN , Ju Shik UHM , Hyun Ki JEONG , Mun Sung KIM , Ye Eun SHIN
IPC分类号： H01M10/0587 , H01M10/0585 , H01M50/627 , H01M50/107
CPC分类号： H01M10/0587 , H01M10/0585 , H01M50/627 , H01M50/107
摘要： The present invention relates to a secondary battery supporting the center part of an electrode assembly to enhance stability and reliability. For example, disclosed is a secondary battery comprising: an electrode assembly formed by winding a first electrode plate, a separator and a second electrode plate; a case for accommodating the electrode assembly; a current collection plate electrically connected to the first electrode plate and coupled to the upper part of the electrode assembly; and a core insulation member coupled to a winding center of the electrode assembly at the upper part of the current collection plate, wherein the core insulation member includes an insertion part having an inner hole, and a flange part extending in the horizontal direction from the upper end of the insertion part.

8. 发明公开

US20230318099A1 SECONDARY BATTERY 审中-公开
公开(公告)号：US20230318099A1
公开(公告)日：2023-10-05
申请号：US18041984
申请日：2021-06-23
申请人： Samsung SDI Co., Ltd.
发明人： Jae Gyun DOO , Gwan Hyeon YU , Jung Hyun PARK , Joo Youn SHIN , Ye Eun SHIN
IPC分类号： H01M50/14 , H01M50/107 , H01M50/538 , H01M50/152 , H01M50/533 , H01M50/536
CPC分类号： H01M50/14 , H01M50/107 , H01M50/538 , H01M50/152 , H01M50/533 , H01M50/536
摘要： An embodiment of the present invention relates to a cylindrical secondary battery in which the current collecting structure has been improved. According to the present invention, an elastic part is provided integrally with or separably from a current collecting plate, and thus shocks from external vibration can be absorbed. Thus, the issue in which the substrate of an electrode assembly is squashed or compacted can be minimized.

9. 发明公开

US20230253659A1 SECONDARY BATTERY 审中-公开
公开(公告)号：US20230253659A1
公开(公告)日：2023-08-10
申请号：US18003483
申请日：2022-02-07
申请人： Samsung SDI Co., Ltd.
发明人： Gwan Hyeon YU , Jung Hyun PARK , Joo Youn SHIN , Ye Eun SHIN
IPC分类号： H01M50/213 , H01M50/536 , H01M10/04 , H01M50/586
CPC分类号： H01M50/213 , H01M50/536 , H01M10/0431 , H01M50/586
摘要： An embodiment of the present invention relates to a cylindrical secondary battery which may comprise: a cylindrical can; an electrode assembly accommodated in the can and formed by stacking a first electrode plate, a separator, and a second electrode plate and winding in a cylindrical shape, wherein a first electrode uncoated portion of the first electrode plate protruding at one end in the longitudinal direction and a second electrode uncoated portion of the second electrode plate protruding at the other end thereof; a cap assembly coupled to one side of the can in a state in which the electrode assembly is accommodated in the can; a first electrode current collector plate which is located between the first electrode uncoated portion and the can and electrically connected to the first electrode uncoated portion and the cap assembly; a second electrode current collector plate which is located between the second electrode uncoated portion and the cap assembly and electrically connected to the second electrode uncoated portion and the can; a first auxiliary plate which is located between the first electrode uncoated portion and the first electrode current collector plate and electrically connected to the first electrode uncoated portion and the first electrode current collector plate; and a second auxiliary plate which is located between the second electrode uncoated portion and the second electrode current collector plate and electrically connected to the second electrode uncoated portion and the second electrode current collector plate.

10. 发明公开

US20230238503A1 SECONDARY BATTERY 审中-公开
公开(公告)号：US20230238503A1
公开(公告)日：2023-07-27
申请号：US18003490
申请日：2021-11-25
申请人： Samsung SDI Co., Ltd.
发明人： Joo Youn SHIN , Jung Hyun PARK , Ye Eun SHIN , Gwan Hyeon YU
IPC分类号： H01M4/04 , H01M50/536
CPC分类号： H01M4/0404 , H01M50/536
摘要： The present invention relates to a secondary battery having improved output and safety. In one embodiment, disclosed is a secondary battery comprising: an electrode assembly comprising a first electrode, a second electrode and a separator; a case for accommodating the electrode assembly; and a cap assembly coupled to the upper part of the case, wherein the first electrode comprises a first current collector, a first active material layer in which the first active material layer is applied onto the first current collector, a first uncoated area on which a first active material is not applied, and a first electrode tab electrically connected to the first current collector, and the first electrode tab comprises a current collection tab, which is a part of the first current collector, and a lead tab attached to the first current collector.

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