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41.发明公开公开(公告)号：US20240356116A1
公开(公告)日：2024-10-24
申请号：US18762426
申请日：2024-07-02
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Haizu JIN , Qingkui CHI , Yang ZOU , Tao PU
IPC: H01M50/131 , H01M10/04 , H01M50/186 , H01M50/536 , H01M50/627
CPC classification number: H01M50/131 , H01M10/0404 , H01M50/186 , H01M50/536 , H01M50/627
Abstract: A battery cell includes an electrode assembly, a case, an end cover, a first current collecting member, and a second current collecting member, where the case is provided with a first position-limiting portion protruding from the inner side face; the first current collecting member is used for connecting tabs; the second current collecting member is used for connecting the first current collecting member and the first position-limiting portion; and the first current collecting member includes a first region overlapping with the first position-limiting portion along a thickness direction and a second region not overlapping with the first position-limiting portion, the first region and the second region both being welded to the tabs. The first region can be welded to the tab of an outer ring layer, and the second region can be welded to the tab of an inner ring layer, which enables uniform current conduction to be realized.
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公开(公告)号：US20240332726A1
公开(公告)日：2024-10-03
申请号：US18742339
申请日：2024-06-13
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Huasheng SU , Chengyou XING , Chunguang XU , Quankun LI , Peng WANG , Haizu JIN
IPC: H01M50/375 , H01M50/107 , H01M50/179 , H01M50/367 , H01M50/533 , H01M50/586 , H01M50/59
CPC classification number: H01M50/375 , H01M50/107 , H01M50/179 , H01M50/367 , H01M50/533 , H01M50/586 , H01M50/59 , H01M2200/10 , H01M2200/20 , H01M2220/20
Abstract: A battery cell, a battery, and an electric device are provided. The battery cell includes: a housing having a first wall; a pressure relief mechanism provided on the first wall; an electrode leading-out portion provided on the housing; an electrode assembly provided in the housing and provided with tabs; and an adapter connected to the electrode leading-out portion and the tabs, wherein the adapter is provided with a reinforcing portion, and in the thickness direction of the first wall, the projection of the reinforcing portion on the first wall at least partially covers the pressure relief mechanism.
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43.发明公开公开(公告)号：US20240322302A1
公开(公告)日：2024-09-26
申请号：US18669135
申请日：2024-05-20
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Hu XU , Haizu JIN , Fenggang ZHAO , Siying HUANG
IPC: H01M50/103 , H01M10/04 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6555 , H01M10/6567 , H01M50/131 , H01M50/15 , H01M50/209 , H01M50/249 , H01M50/474 , H01M50/531 , H01M50/548
CPC classification number: H01M50/103 , H01M10/0404 , H01M10/0431 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6555 , H01M10/6567 , H01M50/131 , H01M50/15 , H01M50/209 , H01M50/249 , H01M50/474 , H01M50/531 , H01M50/548 , H01M2220/20
Abstract: A battery cell includes: a hexahedral housing, where the hexahedral housing has a first wall and a second wall oppositely arranged, the first wall is provided with a positive electrode terminal, and the second wall is provided with a negative electrode terminal; and a cylindrical electrode assembly arranged in the housing, where the axial direction of the cylindrical electrode assembly is perpendicular to the first wall or the second wall, a positive electrode tab of the cylindrical electrode assembly is arranged at a first end of the cylindrical electrode assembly and connected to the positive electrode terminal, and a negative electrode tab of the cylindrical electrode assembly is arranged at a second end of the cylindrical electrode assembly and connected to the negative electrode terminal.
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44.发明公开公开(公告)号：US20240274778A1
公开(公告)日：2024-08-15
申请号：US18626967
申请日：2024-04-04
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
CPC classification number: H01M4/0404 , H01M10/0409 , H01M10/0431 , H01M2004/028
Abstract: An electrode plate has a first end surface in a first direction and a second end surface in a second direction, the second direction being perpendicular to the first direction. At least one of the first end surface and the second end surface has a shaped surface. The shaped surface has a partial region deviating from a reference plane along a third direction. The reference plane is constructed to be perpendicular to the first direction and pass the outermost edge of the shaped surface in the first direction. The third direction is perpendicular to the first direction and the second direction.
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45.发明公开公开(公告)号：US20240258584A1
公开(公告)日：2024-08-01
申请号：US18592946
申请日：2024-03-01
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Ting LI , Haizu JIN , Shaojun NIU , Huaichao TANG , Longqing PENG
CPC classification number: H01M10/4235 , C23C16/0245 , C23C16/345 , C23C16/401 , C23C16/403 , C23C16/405 , C23C16/407 , C23C16/4408 , C23C16/505 , C23C16/56 , H01M10/0404
Abstract: A protection method for a secondary battery includes evacuating the secondary battery through an injection opening of the secondary battery to within 100 kPa, introducing a first reactant into the secondary battery through the injection opening until a pressure of the secondary battery rises by more than 1 Pa and maintaining the pressure for more than 1 ms, evacuating the secondary battery through the injection opening to within 100 kPa, and introducing a second reactant into the secondary battery through the injection opening until the pressure rises by more than 1 Pa and maintaining the pressure for more than 1 ms, thereby forming a protection layer on an internal surface of the secondary battery.
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Patent Agency Ranking
46.发明公开公开(公告)号：US20240234989A1
公开(公告)日：2024-07-11
申请号：US18611691
申请日：2024-03-20
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Hu XU , Siying HUANG , Haizu JIN , Shaojun NIU , Wenqi ZHU
IPC: H01M50/593 , H01M10/0587 , H01M50/531
CPC classification number: H01M50/593 , H01M10/0587 , H01M50/531 , H01M2220/20
Abstract: A battery cell includes a housing, an end cap, an electrode assembly, and an insulator. An opening is created on the housing. The end cap is configured to fit and cover the opening. The electrode assembly is accommodated in the housing and includes a body portion, a first tab, and a second tab. The first tab and the second tab are of opposite polarities and located on a same side of the body portion. A least a part of the insulator is disposed between the first tab and the second tab and configured to restrict the first tab from deforming toward the second tab.
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47.发明公开公开(公告)号：US20240222818A1
公开(公告)日：2024-07-04
申请号：US18440779
申请日：2024-02-13
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Denghua LIN , Long CHEN , Shoujun HUANG , Xinxiang CHEN , Yulian ZHENG , Peng WANG , Haizu JIN
IPC: H01M50/548 , H01M10/04 , H01M50/593
CPC classification number: H01M50/548 , H01M10/049 , H01M50/593 , H01M2220/20
Abstract: A battery cell includes a housing, a first electrode component, a second electrode component, a first electrode terminal, and a second electrode terminal. The first electrode component and the second electrode component are accommodated within the housing and arranged along a first direction, and the first electrode component is insulated from the second electrode component. The first electrode terminal is arranged within the housing and electrically connected to the first electrode component to lead out electrical power from the first electrode component. The second electrode terminal is arranged within the housing and electrically connected to the second electrode component to lead out electrical power from the second electrode component.
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48.发明公开公开(公告)号：US20240222759A1
公开(公告)日：2024-07-04
申请号：US18602845
申请日：2024-03-12
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Hu XU , Haizu JIN , Xing LI , Shaojun NIU
IPC: H01M50/209 , H01M10/04 , H01M50/103 , H01M50/548
CPC classification number: H01M50/209 , H01M10/0431 , H01M50/103 , H01M50/548
Abstract: A battery cell includes a first electrode assembly and a second electrode assembly, where the first electrode assembly and the second electrode assembly differ in size and/or capacity so as to fit a structure of the battery cell.
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49.发明公开公开(公告)号：US20240204381A1
公开(公告)日：2024-06-20
申请号：US18592859
申请日：2024-03-01
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Kun FANG , Zhijun GUO , Haizu JIN
IPC: H01M50/645 , H01M10/04 , H01M50/213 , H01M50/536 , H01M50/559
CPC classification number: H01M50/645 , H01M10/0404 , H01M10/0422 , H01M50/213 , H01M50/536 , H01M50/559 , H01M2220/20
Abstract: A battery cell includes a shell comprising a wall portion, an electrode terminal arranged on the wall portion and having a filling hole penetrating in an axial direction of the electrode terminal and comprising a first hole section and a second hole section closer to the interior of the battery cell than the first hole section and having a smaller hole diameter than the first hole section, and a sealing member configured to seal the filling hole. The sealing member includes a limiting protrusion, and body fitting with the first hole section in a sealing manner and including first and second surfaces opposite each other in the axial direction. The first surface faces the interior of the battery cell. The second surface faces away from the interior of the battery cell. The limiting protrusion is formed on the first surface and fits with the second hole section.
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50.发明公开公开(公告)号：US20240204341A1
公开(公告)日：2024-06-20
申请号：US18592996
申请日：2024-03-01
Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Inventor： Xinxiang CHEN , Long CHEN , Denghua LIN , Shoujun HUANG , Yulian ZHENG , Peng WANG , Haizu JIN
IPC: H01M50/342 , H01M10/04 , H01M50/103 , H01M50/15 , H01M50/209 , H01M50/538 , H01M50/548 , H01M50/55
CPC classification number: H01M50/3425 , H01M10/0404 , H01M10/0431 , H01M50/103 , H01M50/15 , H01M50/209 , H01M50/538 , H01M50/548 , H01M50/55 , H01M2220/20
Abstract: A battery cell includes: a housing; a plurality of electrode assemblies, accommodated in the housing; and a pressure relief mechanism, disposed on a first wall of the housing and located at a position on the first wall, where the position is opposite to a middle region between two adjacent electrode assemblies among the plurality of electrode assemblies, and the pressure relief mechanism is configured to release an internal pressure of the battery cell when the internal pressure of the battery cell exceeds a threshold.
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