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公开(公告)号：US20240363983A1
公开(公告)日：2024-10-31
申请号：US18287871
申请日：2021-07-07
发明人： Azad DARBANDI , Tobias SCHMIEG , Qian CHENG , Chen LI
IPC分类号： H01M50/562 , H01M10/04 , H01M50/107 , H01M50/119 , H01M50/536 , H01M50/538 , H01M50/545 , H01M50/566
CPC分类号： H01M50/562 , H01M10/0422 , H01M10/0431 , H01M50/107 , H01M50/119 , H01M50/536 , H01M50/538 , H01M50/545 , H01M50/566
摘要： A cylindrical battery cell, a battery and a method for forming cylindrical battery cell are provided. In the cylindrical battery cell, a copper plate is forged with the cell housing to form a bi-metal plate on the bottom side of the cell housing, and the copper plate is welded with the jellyroll structure. Therefore, joining/welding the cell housing with the jellyroll structure is achieved by using a laser from outside of the cell housing, while risk of corrosion of cell housing is not introduced.
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公开(公告)号：US20240363974A1
公开(公告)日：2024-10-31
申请号：US18682539
申请日：2022-03-31
发明人： Takayuki Suzuki
IPC分类号： H01M50/533 , H01M10/04 , H01M50/538
CPC分类号： H01M50/533 , H01M10/0431 , H01M50/538
摘要： A current collection foil (for example, a positive electrode current collection layer) of an electrode includes a current collection section joined with an active material and wound and a plurality of terminal sections provided at a side edge extending in a winding direction of the current collection section. The terminal sections adjacent to one another in the winding direction include the terminal sections formed with relatively longer intervals on a side close to another end portion at a winding end than a side close to one end portion at a winding start of the current collection section. The plurality of terminal sections overlap in a state in which the current collection section is wound. At least one of the terminal sections and the current collection section 11a includes a mark for distinguishing any one terminal section of the current collection section and the other terminal sections.
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公开(公告)号：US12132173B2
公开(公告)日：2024-10-29
申请号：US17282127
申请日：2019-10-01
申请人： LG Chem, Ltd.
发明人： Jung Il Park , Jee Ho Kim , Yong Tae Lee , Myung Hoon Ko , Ki Youn Kim , Gyung Soo Kang
IPC分类号： H01M10/0587 , H01M10/04 , H01M50/107 , H01M50/536 , H01M50/538 , H01M50/10
CPC分类号： H01M10/0587 , H01M10/0431 , H01M50/107 , H01M50/536 , H01M50/538 , H01M50/10
摘要： A secondary battery comprises an electrode assembly including a first electrode, a separator, and a second electrode alternately stacked and wound about a central axis. A first non-coating portion that is not coated with an electrode active material protrudes farther than the separator in a first direction along the central axis and a second non-coating portion that is not coated with the electrode active material protrudes farther than the separator in a second, opposite direction along the central axis. The first non-coating portion contacts a first connection part disposed on an end of a first can of the battery, and the second non-coating portion contacts a second connection part disposed on an end of a second can. At least one of the first connection part or the second connection part comprises a protrusion having a shape protruding towards the electrode assembly.
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4.发明公开公开(公告)号：US20240356057A1
公开(公告)日：2024-10-24
申请号：US18757595
申请日：2024-06-28
发明人： Baojian ZHU , Lei Chen , Shoujiang Xu , Chunyan Feng
IPC分类号： H01M10/04 , H01M50/15 , H01M50/536 , H01M50/538 , H01M50/55
CPC分类号： H01M10/0468 , H01M50/15 , H01M50/538 , H01M50/536 , H01M50/55
摘要： The disclosure relates to a top compression plate, a secondary battery and a method for manufacturing a secondary battery. The secondary battery includes a cap plate; an electrode terminal disposed on the cap plate; an electrode assembly which comprises a main body and a tab connected to the main body, wherein the tab is connected to the electrode terminal; an insulating member disposed between the cap plate and the main body, wherein the insulating member comprises a connecting protrusion extending toward the main body; and a top compression plate disposed between the insulating member and the main body. The top compression plate comprises a first surface facing the main body and a mounting hole mating with the connecting protrusion, and a top end surface of the connecting protrusion does not exceed the first surface.
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公开(公告)号：US20240332751A1
公开(公告)日：2024-10-03
申请号：US18586557
申请日：2024-02-26
发明人： Toshiyuki ARIGA , Kazuki SAIMEN
IPC分类号： H01M50/538 , H01M10/04 , H01M50/105
CPC分类号： H01M50/538 , H01M10/0431 , H01M50/105
摘要： A secondary battery according to the present invention includes: an electrode laminate having positive electrode layers, negative electrode layers, and a separator; an exterior body; a positive electrode terminal and a negative electrode terminal provided in the exterior body; a lead wire connecting between the positive electrode layers and the positive electrode terminal; and a lead wire connecting between the negative electrode layers and the negative electrode terminal. The separator has an extension portion extending outward beyond end portions of the positive electrode layers on a side connected with the positive electrode terminal. At least a part of a portion in contact with negative electrode layers on a surface of the separator on the negative electrode layer side is configured as a conductive region, and at least a part of an end portion of the extension portion on the positive electrode terminal side is configured as a nonconductive region.
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公开(公告)号：US12107286B2
公开(公告)日：2024-10-01
申请号：US16930361
申请日：2020-07-16
发明人： Ning Peng , Bin Xie , Yongwang Wang
IPC分类号： H01M50/216 , H01M50/181 , H01M50/184 , H01M50/186 , H01M50/193 , H01M50/538
CPC分类号： H01M50/216 , H01M50/181 , H01M50/184 , H01M50/186 , H01M50/193 , H01M50/538
摘要： Embodiments of the present invention provide a housing assembly of button cell, a button cell and an electronic product. The housing assembly of button cell includes: a housing and a conductive part, the housing having a holding cavity that is capable of holding a cell of the button cell, the cell having a first tab and a second tab, the housing being provided with a through hole, the conductive part being positioned at and blocking the through hole, and the conductive part and the through hole being sealed and insulated; where, the number of the conductive part is one or two, and when the number of the conductive part is two, the housing is provided with two through holes, where the conductive parts correspond to the through holes one by one. It is beneficial to improving sealability of the housing assembly of button cell.
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公开(公告)号：US20240274982A1
公开(公告)日：2024-08-15
申请号：US18563582
申请日：2022-11-18
发明人： Jin Hyeok WON , Duk Hyun RYU
IPC分类号： H01M50/474 , B60R16/033 , H01M10/04 , H01M50/107 , H01M50/152 , H01M50/157 , H01M50/186 , H01M50/538 , H01M50/567
CPC分类号： H01M50/474 , B60R16/033 , H01M10/0431 , H01M50/107 , H01M50/152 , H01M50/157 , H01M50/186 , H01M50/538 , H01M50/567 , H01M2220/20
摘要： A secondary battery includes a wound electrode assembly having a first electrode, a separator, and a second electrode, and a battery can configured to accommodate the electrode assembly, the battery can having a partially closed portion at one side thereof, an open portion at the other side opposite to the partially closed portion, and a cylindrical sidewall, the electrode assembly having a first end from which a first electrode tab is extended, and a second end from which a second electrode tab is extended, the first end and the battery can being electrically connected, the sidewall of the battery can having an insulative coating layer provided on an inner surface corresponding to the second end. A second current collecting plate is electrically connected to the second electrode tab. An insulation member is provided between the second current collecting plate and the bottom portion of the battery can.
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公开(公告)号：US20240266690A1
公开(公告)日：2024-08-08
申请号：US18290555
申请日：2022-10-21
发明人： Jae-Won LIM , Min-Ki JO
IPC分类号： H01M50/538 , B60L50/60 , H01M50/107 , H01M50/152 , H01M50/184 , H01M50/186 , H01M50/533 , H01M50/536
CPC分类号： H01M50/538 , B60L50/60 , H01M50/107 , H01M50/152 , H01M50/184 , H01M50/186 , H01M50/533 , H01M50/536
摘要： A cylindrical battery includes an electrode assembly; a battery housing configured to accommodate the electrode assembly through an open portion; a first current collecting plate having a support portion disposed on the electrode assembly, at least one tab coupling portion extending from the support portion, and at least one housing coupling portion extending from an end of the tab coupling portion and coupled to an inner surface of the battery housing, the first current collecting plate being located within the battery housing; a cap plate configured to cover the open portion; a terminal passing through the battery housing at a side opposite to the open portion; and a sealing spacer configured to prevent movement of the electrode assembly and to enhance a sealing force of the battery housing.
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公开(公告)号：US20240250392A1
公开(公告)日：2024-07-25
申请号：US18289218
申请日：2023-04-04
发明人： Cheon Hee BOK , Kyung Hwan JUNG , Dong Myung KIM , Hyung Joon JUN , Sang Pil WOO
IPC分类号： H01M50/566 , H01M10/04 , H01M50/103 , H01M50/15 , H01M50/169 , H01M50/342 , H01M50/538 , H01M50/55
CPC分类号： H01M50/566 , H01M10/0431 , H01M50/103 , H01M50/15 , H01M50/169 , H01M50/3425 , H01M50/538 , H01M50/55
摘要： Disclosed herein relates to a prismatic secondary battery including: an electrode assembly including a first electrode lead part formed in a first side direction and a second electrode lead part formed in a second side direction opposite the first side direction; a lower case having an open upper surface and housing the electrode assembly therein; and an upper case covering the open upper surface of the lower case, wherein the upper case includes: a first terminal part bent from a top surface of the upper case corresponding to the open upper surface of the lower case and extending downwardly in the first side direction; and a second terminal part bent from the top surface of the upper case and extending downwardly in the second side direction, wherein the first electrode lead part is electrically connected to the first terminal part, and the second electrode lead part is electrically connected to the second terminal part.
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10.发明公开公开(公告)号：US20240250270A1
公开(公告)日：2024-07-25
申请号：US18383238
申请日：2023-10-24
发明人： Brian G. Morin , Carl C. Hu
IPC分类号： H01M4/66 , H01M4/70 , H01M10/04 , H01M50/534 , H01M50/536 , H01M50/538 , H01M50/54 , H01M50/581 , H01M50/583
CPC分类号： H01M4/668 , H01M4/661 , H01M4/667 , H01M4/70 , H01M10/049 , H01M50/534 , H01M50/581 , H01M50/583 , H01M50/536 , H01M50/538 , H01M50/54 , H01M2200/103
摘要： A lithium battery cell with an internal fuse component and including needed tabs which allow for conductance from the internal portion thereof externally to power a subject device is provided. Disclosed herein are tabs that exhibit sufficient safety levels in combination with the internal fuse characteristics noted above while simultaneously displaying pull strength to remain in place during utilization as well as complete coverage with the thin film metallized current collectors for such an electrical conductivity result. Such tabs are further provided with effective welds for the necessary contacts and at levels that exhibit surprising levels of amperage and temperature resistance to achieve the basic internal fuse result with the aforementioned sufficient conductance to an external device. With such a tab lead component and welded structure, a further improvement within the lithium battery art is provided the industry.
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