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公开(公告)号：US11881588B2
公开(公告)日：2024-01-23
申请号：US17352352
申请日：2021-06-20
发明人： Yuanbao Chen , Rui Yang , Haizu Jin , Dongyang Shi , Ning Chen , Quankun Li
IPC分类号： H01M50/538 , H01M50/209 , H01M50/533 , H01M50/186
CPC分类号： H01M50/186 , H01M50/209 , H01M50/533 , H01M50/538
摘要： The present application relates to a secondary battery and a battery module. The secondary battery comprises: a casing, which is provided with an accommodating hole with an opening; a top cover assembly, which is in sealed connection with the casing to close the opening; an electrode assembly, which is arranged in the accommodating hole, and comprises two end faces opposite to a first direction perpendicular to an axial direction of the accommodating hole, and tabs extending from the end faces, the electrode assembly comprises two or more electrode units, wherein two or more electrode units are stacked in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the size of the tabs is smaller than that of the end faces; and a current collector, which comprises a body portion.
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公开(公告)号：US11177539B2
公开(公告)日：2021-11-16
申请号：US17356565
申请日：2021-06-24
发明人： Yuanbao Chen , Dongyang Shi , Ning Chen , Haizu Jin , Zhenhua Li , Fei Hu
IPC分类号： H01M2/20 , H01M50/502 , H01M50/147 , H01M50/533 , H01M50/54 , H01M50/543 , H01M10/04 , H01M10/058 , H01M50/50 , H01M50/531 , H01M10/0525 , H01M50/538
摘要： The present application relates to a current collector and a secondary battery. The current collector is used to electrically connect a pole and tab of a secondary battery, and comprises: a first sheet; a second sheet that is disposed to intersect the first sheet, the second sheet being used to electrically connect to the pole; a current collection unit, the current collection unit and the second sheet being disposed at two opposite sides of the first sheet in a first thickness direction thereof, and the first thickness direction thereof intersecting with a second thickness direction of the second sheet; the current collection unit comprises a first current collection sheet, the first current collection sheet is used to electrically connect to the tab, and the first current collection sheet is provided with a first connection terminal that is connected to the first sheet.
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公开(公告)号：US20210328293A1
公开(公告)日：2021-10-21
申请号：US17362960
申请日：2021-06-29
发明人： Ning Chen , Haizu Jin , Dongyang Shi , Zhenhua Li , Fei Hu , Yuanbao Chen
IPC分类号： H01M50/171 , H01M50/54 , H01M50/533 , H01M50/209
摘要： The present disclosure relates to a secondary battery and a battery module. The secondary battery includes a case including a receiving space with an opening; a cap assembly connected to the case and close the opening; an electrode assembly disposed in the receiving space and including two end faces opposite to each other in a first direction perpendicular to an axial direction of the receiving space, and tabs extending from the end faces and two or more electrode units stacked in the axial direction; and a current collecting unit, including a first piece extending in the axial direction and a first current collecting piece connected to the first piece, the tab extends in the first direction and is connected to the first current collecting piece, and a portion of the tab connected to the first current collecting piece and the first current collecting piece are stacked in the axial direction.
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公开(公告)号：US11664555B2
公开(公告)日：2023-05-30
申请号：US17135918
申请日：2020-12-28
发明人： Dongyang Shi , Zhenhua Li , Haizu Jin , Ning Chen , Fei Hu , Yuanbao Chen , Rui Yang
IPC分类号： H01M50/271 , B60L50/64 , H01M50/249 , H01M50/296 , H01M50/342 , H01M50/204 , H01M50/593 , H01M10/0525 , H01M10/0587 , H01M50/15 , H01M10/04 , H01M50/586 , H01M50/55 , H01M50/276 , H01M50/224 , H01M50/209
CPC分类号： H01M50/271 , B60L50/64 , H01M10/0431 , H01M10/0525 , H01M10/0587 , H01M50/15 , H01M50/204 , H01M50/249 , H01M50/296 , H01M50/3425 , H01M50/55 , H01M50/586 , H01M50/593 , H01M50/209 , H01M50/224 , H01M50/276 , H01M2200/20 , H01M2220/20
摘要： Disclosed are a secondary battery, a battery module and an electric vehicle. The secondary battery includes an electrode assembly, a housing and a top cover assembly. The housing has an accommodating chamber, the accommodating chamber having an opening, and the electrode assembly being accommodated in the accommodating chamber. The electrode assembly includes a plurality of electrode units, the plurality of electrode units being stacked in an axial direction of the accommodating chamber. The top cover assembly includes a top cover plate, a first electrode terminal and a second electrode terminal, the top cover plate being connected to the housing and located on a side of the electrode assembly in the axial direction, and the first electrode terminal and the second electrode terminal both protruding from the top cover plate and being electrically connected to the electrode assembly.
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公开(公告)号：US11233297B2
公开(公告)日：2022-01-25
申请号：US16455751
申请日：2019-06-28
发明人： Ning Chen , Haizu Jin , Dongyang Shi , Zhenhua Li , Yuanbao Chen , Rui Yang , Fei Hu
IPC分类号： H01M50/54 , H01M10/0585 , H01M50/15 , H01M50/20
摘要： The disclosure relates to a secondary battery and a battery module. The secondary battery comprises a casing, which includes a receiving hole having an opening; a top cover assembly, which includes a top cover plate connected to the casing to close the opening; an electrode assembly disposed within the receiving hole, the electrode assembly has an dimension of 0.01 mm to 1000 mm in an axial direction of the receiving hole, the electrode assembly includes two end faces opposed to each other in a first direction perpendicular to the axial direction and tabs extending from the end faces, the electrode assembly includes two or more electrode units laminated in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the dimension of the tab is smaller than the dimension of the end face; and a current collecting member electrically connected to the tab.
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公开(公告)号：US20200235370A1
公开(公告)日：2020-07-23
申请号：US16455751
申请日：2019-06-28
发明人： Ning CHEN , Haizu Jin , Dongyang Shi , Zhenhua Li , Yuanbao Chen , Rui Yang , Fei Hu
IPC分类号： H01M2/26 , H01M2/10 , H01M2/04 , H01M10/0585
摘要： The disclosure relates to a secondary battery and a battery module. The secondary battery comprises a casing, which includes a receiving hole having an opening; a top cover assembly, which includes a top cover plate connected to the casing to close the opening; an electrode assembly disposed within the receiving hole, the electrode assembly has an dimension of 0.01 mm to 1000 mm in an axial direction of the receiving hole, the electrode assembly includes two end faces opposed to each other in a first direction perpendicular to the axial direction and tabs extending from the end faces, the electrode assembly includes two or more electrode units laminated in the axial direction, and in a second direction perpendicular to the axial direction and the first direction, the dimension of the tab is smaller than the dimension of the end face; and a current collecting member electrically connected to the tab.
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公开(公告)号：US11949128B2
公开(公告)日：2024-04-02
申请号：US17317854
申请日：2021-05-11
发明人： Hu Xu , Miaomiao Ren , Yuanbao Chen , Long Xu , Donglai Zheng , Lingbo Zhu , Yongshou Lin
IPC分类号： H01M50/54 , H01M50/50 , H01M50/564
CPC分类号： H01M50/54 , H01M50/50 , H01M50/564
摘要： This application provides a current collecting member, a secondary battery, and a fabrication method. The secondary battery includes an electrode assembly, a housing, a top cover assembly and current collecting members. The electrode assembly includes a main body portion and a first tab extending from an end of the main body portion along a transverse direction. The top cover assembly includes a top cover plate and a first electrode terminal disposed on the top cover plate connected to the housing. The current collecting member is connected to the first tab and the first electrode terminal. The current collecting member includes a substrate and a support plate, the substrate being provided at a side of the main body portion along a transverse direction, the support plate extending from an end part of the substrate in a longitudinal direction, and the first tab being connected to the support plate.
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公开(公告)号：US11476526B2
公开(公告)日：2022-10-18
申请号：US16890457
申请日：2020-06-02
发明人： Fei Hu , Dongyang Shi , Haizu Jin , Zhenhua Li , Ning Chen , Yuanbao Chen , Rui Yang
IPC分类号： H01M50/147 , H01M10/04 , H01M50/531 , H01M50/543
摘要： The present disclosure provides a secondary battery, a battery module and a vehicle. The secondary battery includes an electrode assembly, a case and a cap assembly. The case has an accommodating cavity, and the electrode assembly is accommodated in the accommodating cavity. The electrode assembly includes electrode units, and the electrode units are stacked in an axial direction of the accommodating cavity. The cap assembly includes a cap plate and an insulating member provided at an inner side of the cap plate, the cap plate is connected with the case, and the insulating member is positioned at a side of the electrode assembly in the axial direction. The insulating member is provided with a first surface at a side close to the electrode assembly, and the first surface is a flat surface.
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公开(公告)号：US11177542B2
公开(公告)日：2021-11-16
申请号：US16424048
申请日：2019-05-28
发明人： Fei Hu , Haizu Jin , Dongyang Shi , Zhenhua Li , Ning Chen , Yuanbao Chen
IPC分类号： H01M2/26 , H01M10/0587 , H01M10/04 , H01M2/04 , H01M2/10 , H01M50/54 , H01M50/20 , H01M50/147
摘要： The present disclosure relates to a secondary battery and a battery module. The secondary battery comprises a case, comprising a base plate and a side plate connected with the base plate, wherein the base plate and the side plate form a receiving hole and an opening in communication with the receiving hole, the opening is arranged opposite to the base plate in an axial direction of the receiving hole, and the base plate has a thickness larger than that of the side plate; a cap assembly, sealingly connected with the side plate to close the opening; and an electrode assembly, disposed in the receiving hole and comprising two or more electrode units, which are stacked in the axial direction, and each electrode unit is arranged with a wide side opposite to the base plate and a narrow side toward the side plate.
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公开(公告)号：US11114716B1
公开(公告)日：2021-09-07
申请号：US17136786
申请日：2020-12-29
发明人： Xinxiang Chen , Peng Wang , Yuanbao Chen , Zhijun Guo , Yulian Zheng , Chengdu Liang , Wei Li
IPC分类号： H01M50/148 , H01M50/183 , H01M10/058 , H01M50/636 , H01M10/0525
摘要： A secondary battery, a battery pack and a device using the battery are provided, wherein the end cover assembly includes: an end cover with a through hole for injection of electrolyte and an accommodating part, the accommodating part is arranged on a side far away from a shell of the end cover and is arranged along a circumferential direction of the through hole; a sealing element; and a cover body for covering at least part of the sealing element, the cover body is rotatable and includes a limiting part; when the cover body rotates to a first position, the limiting part is located inside the accommodating part to limit separation of the cover body from the end cover; when the cover body rotates to a second position, the limiting part and the accommodating part are misplaced to realize separation of the cover body from the end cover.
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