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公开(公告)号：US10516151B2
公开(公告)日：2019-12-24
申请号：US15435681
申请日：2017-02-17
发明人： Quankun Li , Pinghua Deng , Peng Wang , Jian Guo , Lingbo Zhu , Yongshou Lin
摘要： The present application provides a top cover of power battery, including top cover plate, first electrode unit and second electrode unit, the first electrode unit includes insulation piece, conductive plate, deformable plate and sealing piece, the top cover plate is provided with deformable plate connecting hole and fixing hole, the deformable plate seals the deformable plate connecting hole, the insulation piece is provided with top cover plate connecting portion and conductive plate connecting portion, the insulation piece is fixed underneath the top cover plate through cooperation of top cover plate connecting portion and fixing hole, the conductive plate is insulated from and fixed with the top cover plate through the conductive plate connecting portion, the conductive plate is electrically connected with the deformable plate, the sealing piece seals path from the fixing hole to interior of the power battery passing through gap between insulation piece and top cover plate.
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公开(公告)号：US10418619B2
公开(公告)日：2019-09-17
申请号：US15485775
申请日：2017-04-12
发明人： Quankun Li , Jian Guo , Lingbo Zhu , Pinghua Deng , Peng Wang , Kai Wu
摘要： The present application provides a top cover of a power battery and the power battery. The top cover of the power battery includes a first electrode unit and a second electrode unit, the second electrode unit includes a deformable plate, an insulation piece and a conductive plate, the top cover plate is provided with a deformable plate connecting hole, the deformable plate seals the deformable plate connecting hole, the insulation piece is located underneath the top cover plate, the insulation piece is connected with the top cover plate, the conductive plate is insulated from and fixed with the top cover plate through the insulation piece and is electrically connected with the deformable plate. The power battery includes the above top cover of the power battery. The power battery provided by the present application can effectively prevent breaking, losing efficacy or deformation of the conductive plate during using process.
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公开(公告)号：US20190067649A1
公开(公告)日：2019-02-28
申请号：US15894767
申请日：2018-02-12
发明人： Quankun Li , Baisong Chen , Jian Guo , Peng Wang , Taosheng Zhu
摘要： The present disclosure provides a cap assembly for a secondary battery and a secondary battery. The cap assembly for the secondary battery includes a cap plate having an electrode lead-out hole; and a terminal assembly including a terminal board, a fixing member, a deformable sheet, a conductive sheet and an isolator, wherein the deformable sheet is attached to the terminal board; the conductive sheet includes a first portion provided between the terminal board and the cap plate; the terminal board is fixed to a side of the cap plate through the fixing member and covers the electrode lead-out hole, and the terminal board is electrically connected with the first portion through the deformable sheet; the deformable sheet is configured to deform to be electrically disconnected from the first portion in response to an increase in a pressure inside the secondary battery.
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公开(公告)号：US10199627B2
公开(公告)日：2019-02-05
申请号：US15398457
申请日：2017-01-04
发明人： Jian Guo , Quankun Li , Pinghua Deng , Lingbo Zhu , Qingkui Chi
摘要： The invention provides a secondary battery which comprises a cap plate and at least one cell. The secondary battery further comprises connecting pieces, each connecting piece is parallel to the cap plate and positioned at an inside of the cap plate in a thickness direction of the cap plate, a longitudinal direction of each connecting piece is parallel to a length direction of the cap plate, a transverse direction of each connecting piece is parallel to a width direction of the cap plate. Each connecting piece has: a tab welding portion for being welded to the corresponding tab of each cell; and an electrode terminal welding portion connected to the tab welding portion along the longitudinal direction of each connecting piece for being welded to the corresponding electrode terminal of the cap plate so as to electrically connect the corresponding electrode terminal and the corresponding tab of each cell.
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公开(公告)号：US12119503B2
公开(公告)日：2024-10-15
申请号：US18237902
申请日：2023-08-25
发明人： Fenggang Zhao , Yuqun Zeng , Jian Guo , Quankun Li , Peng Wang
IPC分类号： H01M50/148 , H01M50/176 , H01M50/55 , H01M50/553 , H01M50/588 , H01M50/593
CPC分类号： H01M50/148 , H01M50/176 , H01M50/55 , H01M50/553 , H01M50/588 , H01M50/593
摘要： The present disclosure relates to a cap assembly and a secondary battery. The cap assembly includes a cap plate provided with an electrode lead-out hole; an electrode terminal, covering the electrode lead-out hole and including a main body, wherein the main body is provided with a recess on a side wall; an isolating member including a receiving portion, wherein the main body is received in the receiving portion; and a protrusion, connected to an inner wall of the isolating member and extending towards an axis of the electrode lead-out hole, wherein the protrusion is received in the recess so as to prevent the main body from rotating relative to the isolating member. The cap assembly according to the embodiments of the present application can improve an overcurrent capacity and stability of the electrode terminal.
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公开(公告)号：US10205141B2
公开(公告)日：2019-02-12
申请号：US15187909
申请日：2016-06-21
发明人： Jian Guo , Quankun Li , Pinghua Deng , Peng Wang , Lingbo Zhu , Qingkui Chi
摘要： The secondary battery of the present invention includes: a top cover, a first electrode terminal, a second electrode terminal, an electrode-tab pad-plate, an electrode assembly, a first electrode-tab and a second electrode-tab; the first and second electrode terminal are arranged on the top cover, the electrode-tab pad-plate is a strip-plate shaped structure, and is located between the top cover and electrode assembly, the first electrode-tab includes a connecting part, a folding part and a welding part, the connecting part is beneath the electrode-tab pad-plate, the welding part is above the electrode-tab pad-plate, the connecting part is connected with the electrode assembly, the welding part is connected with the first electrode terminal, the folding part is connected with the connecting part and welding part bypassing the electrode-tab pad-plate; the second electrode terminal is connected with the electrode assembly through the second electrode-tab.
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公开(公告)号：US20230411744A1
公开(公告)日：2023-12-21
申请号：US18237902
申请日：2023-08-25
发明人： Fenggang Zhao , Yuqun Zheng , Jian Guo , Quankun LI , Peng Wang
IPC分类号： H01M50/148 , H01M50/55 , H01M50/553 , H01M50/176 , H01M50/593 , H01M50/588
CPC分类号： H01M50/148 , H01M50/55 , H01M50/588 , H01M50/176 , H01M50/593 , H01M50/553
摘要： The present disclosure relates to a cap assembly and a secondary battery. The cap assembly includes a cap plate provided with an electrode lead-out hole; an electrode terminal, covering the electrode lead-out hole and including a main body, wherein the main body is provided with a recess on a side wall; an isolating member including a receiving portion, wherein the main body is received in the receiving portion; and a protrusion, connected to an inner wall of the isolating member and extending towards an axis of the electrode lead-out hole, wherein the protrusion is received in the recess so as to prevent the main body from rotating relative to the isolating member. The cap assembly according to the embodiments of the present application can improve an overcurrent capacity and stability of the electrode terminal.
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公开(公告)号：US11777162B2
公开(公告)日：2023-10-03
申请号：US16976752
申请日：2019-09-12
发明人： Fenggang Zhao , Yuqun Zeng , Jian Guo , Quankun Li , Peng Wang
IPC分类号： H01M50/148 , H01M50/55 , H01M50/553 , H01M50/176 , H01M50/593 , H01M50/588
CPC分类号： H01M50/148 , H01M50/176 , H01M50/55 , H01M50/553 , H01M50/588 , H01M50/593
摘要： The present disclosure relates to a cap assembly and a secondary battery. The cap assembly includes a cap plate provided with an electrode lead-out hole; an electrode terminal, covering the electrode lead-out hole and including a main body, wherein the main body is provided with a recess on a side wall; an isolating member including a receiving portion, wherein the main body is received in the receiving portion; and a protrusion, connected to an inner wall of the isolating member and extending towards an axis of the electrode lead-out hole, wherein the protrusion is received in the recess so as to prevent the main body from rotating relative to the isolating member. The cap assembly according to the embodiments of the present application can improve an overcurrent capacity and stability of the electrode terminal.
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公开(公告)号：US10906402B2
公开(公告)日：2021-02-02
申请号：US16360288
申请日：2019-03-21
发明人： Chengyou Xing , Jian Guo
摘要： Provided is a top cover structure for power battery, including a first electrode assembly, a second electrode assembly, a top cover plate electrically connected with the first electrode assembly, and a deformable plate attached to the top cover plate; the second electrode assembly includes a second electrode terminal, a second connecting block, a second insulating piece in which a via-hole and an gas-guide hole are defined, an upper sealing piece arranged between the second insulating piece and the second connecting block and including a sealing area for deforming space and a sealing area for electrode terminal, and a lower sealing piece arranged between the second insulating piece and the top cover plate and enclosing the via-hole for deformable plate. The sealing area for deforming space encloses the via-hole and the gas-guide hole, the sealing area for electrode terminal enclose the second electrode terminal.
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公开(公告)号：US20190221813A1
公开(公告)日：2019-07-18
申请号：US16234955
申请日：2018-12-28
发明人： Jiandong Yang , Jian Guo , Chengyou Xing , Xiaowen Zhang , Haizu Jin , Yongshou Lin
IPC分类号： H01M2/20
CPC分类号： H01M2/202 , H01M2/263 , H01M10/0525 , H01M2200/20
摘要： A connection member and a rechargeable battery are provided. The connection member includes a guide plate, two first connection plates and a second connection plate; the two first connection plates are respectively connected to two sides of the guide plate in a width direction and are arranged bendably with respect to the guide plate; the second connection plate is connected to an upper end of the guide plate in a height direction Z, and the top ends of the two first connection plates are at different heights. In some examples, overcurrent capability of the connection member and rapid charging capability and safety performance of the rechargeable battery can be improved.
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